6 ms·

Would decades of squats, deadlifts, free weights/kettlebells and a plethora of compound exercises build up enough hip/femoral bone density and muscle to withsta

Would decades of squats, deadlifts, free weights/kettlebells and a plethora of compound exercises build up enough hip/femoral bone density and muscle to withstand most chances of hip breaks occurring? Or most bone breakages, period? I’m assuming most of the population does not engage in serious exercise regiments, but we rarely have studies performed solely on a highly athletic/strong cohort, so I have to be the glib one and ask if bodybuilders are exempt from these “frail in old age” studies. One great study we’ve had done recently is how the heart is sculpted as pertaining to exercises that are done, namely cycling, swimming, lifting heavy weights, and rowing all exhibit their own reconfiguration of heart walls/chambers.

gkop 4y ago
I'd love to see a simple infographic that tells us the most important stuff to pay attention (eg. strength vs flexibility) to at different ages and for both genders..
- hinkley 4y ago
  They are linked. Tai chi and yoga both work on hip flexibility, and without that flexibility I don’t think my hams would be as strong as they are. I was always unbalanced to quads, even before I got into cycling which made that worse. And that’s a quick route to chronic knee pain, which makes everything else harder.
  - aristophenes 4y ago
    Could you expound? Are you saying strong quads + weak hamstrings == knee pain? I recently started using an exercise bike in addition to squats and climbs in order to get in shape and found that I started having chronic knee pain for the first time in my life, which persisted for months even after I stopped using the bike. I don't use clip on shoes, which I would imagine would allow hamstrings to be utilized more. Very few datapoints right now, but my knees seem to feel better, not worse, after sprinting exercises. I've been very athletic my whole life and never had knee problems before.
    - hinkley 4y ago
      Slow down (less interval training), spin more, adjust the bike. Once upon a time I helped fit people for bicycles. The rule for Chen and bicycles is that there is a little bump of bone below the knee cap, it’s where the tibia flares out and I think a tendon attachment. That should always stay behind the ball of your foot. And your knee should be 95% straight at the bottom of the stroke. Not quite straight, but if you flex your ankle you can just hit fully locked. This engages the lowest bulb of the quad which also helps avoid injury. The problem with cyclists is the tendency to lean foreword when they walk, which exacerbates the knee over ball problem. You need to lean back a bit, relax the hips. As an experiment, try walking without locking your knees. Also keep your feet farther apart, like there’s a board on the ground, though that help more with fallen arches, and will make some hip muscles sore while they become less atrophied. And if your knees are sore after a workout, that is cartilage inflammation and you need ice and ibuprofen and think hard about how not to do that next time, because you are doing damage. For me where the tai chi helped here is that by shifting my weight back I’m using cartilage around the injury more, which is still fairly healthy.
      - nradov 4y ago
        You've got to do at least some high intensity interval training with your heart rate near maximum in order achieve any significant performance improvements. Ice and cold therapy has been largely debunked for the conditions you mentioned. Your advice is generally outdated and not aligned with evidence based medicine or successful endurance sports coaching.
        hinkley 4y ago
        If it wasn't clear from my wording, I'll say it again: If you're getting sore joints you fucked up, please stop doing that. Take some anti-inflammatories for today and sort your shit out. Also I'm pretty sure you're wrong about the ice. If anything they're using more of it (but for different reasons).
        nradov 4y ago
  - MrMan 4y ago
    Flexibility isn't something to chase. I warm up by doing a light version of the activity I am doing. My PT disabused me of the primacy of stretching after I got a herniated disc. I stopped stretching and started lifting and doing body weight exercises and stopped doing cross fit and I healed up and never stretch anymore.
    - hinkley 4y ago
      The word "flexibility" is not owned by contortionists. Range of motion is still very important, and while yoga can and does tend to the contortionist end of the spectrum, tai chi does not, and yet it still cares quite a bit about flexibility, as an antonym to tightness/stiffness.
hinkley 4y ago
As a former athlete, you would be surprised how much function you lose after a few injuries. Range of comfortable motion can rob you of those benefits in under ten years, and most of us have up to 20 from retirement to the grave. My first injury was knee cartilage. My last was wrist, which makes lifting and even yoga hard. But tai chi helped stabilize my knee, and made me feel 10 years younger. Also it made me “need” 30 minutes less sleep a night, and I stuck with it once I realized that the time in class paid for itself.
- julianlam 4y ago
  I've never heard that Tai Chi could bea substitute for sleeping, is that what you're getting at? Or did you mean some second order effect like "the focus granted from half an hour of tai chi allowed me to finish my tasks half an hour earlier"
  - hinkley 4y ago
    I mean waking feeling more rested in the morning. The typical stategy for waking up tired is to go to bed earlier, which is less time in the evening to do other things.
- Scalestein 4y ago
  I've been intereted in tai chi but haven't found a good place to learn it. Do you do in-person classes or online?
sbf501 4y ago
Not unless it is continued later into life. I am experiencing early onset osteoporosis and I spent my late 20's and 30's lifting weights (C&J, squats, DLs, etc). I was told that these kinds of exercises will increase bone density in certain bones, but unless that is continued, bones revert to a "normal" state (as defined by your body, not a population), until loss begins in older age. Just like muscles I guess: they shrink back to "normal" if you don't constantly work them. (E.g., ever take 4-5 months off from lifting and notice how your gains evaporate?)
- hinkley 4y ago
  If anyone can work out how to convince 26-35 year olds that this isn’t a race and nothing grows back anymore, I’d nominate them for a Nobel prize. The bad thing about tai chi and also a class I took from a PT on biomechanics is how often I have to not blurt out advice. I’ve only just stopped analyzing the gait of people walking in front of me. The sympathetic pains were rough.
  - sbf501 4y ago
    Seriously. I just liked being strong! Fortunately, I managed to avoid any injuries, so I count myself lucky. Now I just jog (not run) for cardio and do yoga for mobility. I look forward to it and don't have to wait in line at a gym (or go at ungodly hours).
    - thechao 4y ago
      I seitched to high volume, low weight, and it has been a game changer. Lifting heavy is just a way to destroy joints and get injuries. One sude effect is hypertrophy — I've added 2cm to my arms, tone is way better, and I don't hurt. I superset, too, so I'm in the gym less, and the workout is better.
matwood 4y ago
Bodybuilders? Probably follow a U shaped curve. The extreme ones do a lot that is unhealthy that leave them pretty broken later in life. Thinking about it more, there is probably a more general U curve for exercise. For example, I used to see an ex-NFL running back in the gym sauna. He could barely move most days before 30+ minutes in the heat. I power lifted for almost 15 years before scaling back because of age. I feel like I ended up hitting a sweet spot, but was always careful. Even before I really cut back I had quit doing singles for awhile.
- dfsegoat 4y ago
  > I used to see an ex-NFL running back in the gym sauna. He could barely move most days before 30+ minutes in the heat. This. Anecdotally, I know a retired NFL Offensive lineman. He is on a full NFL disability pension at 35 years old because of knee and shoulder injuries. Moving anywhere is very difficult for him.
- TheCoelacanth 4y ago
  There's a major confounding factor for NFL players in that they get repeatedly hit by large, athletic people (running backs especially, but even a kicker gets hit more than a typical bodybuilder). I doubt it's the exercise that causes most of their health issues.
  - derivagral 4y ago
    I've known professional athletes in skating that have had problems as well. Hip replacement in their 20s, joint pain, that sort of thing. Training for hours a day can definitely be problematic later in life, at least with that duration and degree.
- ID1452319 4y ago
  Interesting comment about singles. Is that because you felt the massive amount of effort you put in to a single substantially increased your chances of injury compared to doing reps?
  - 4y ago
dfsegoat 4y ago
> Would decades of squats, deadlifts, free weights/kettlebells ... to withstand most chances of hip breaks occurring If you look at a lot of competitive athletes and bodybuilders, they tend to be pretty broken in their old age. E.g. Ronnie Coleman - former Mr. Olympia - could barely walk after tons of spinal and back surgeries. Maybe you have the bone density - but if you are immobile with tons of joint and arthritis issues, it probably will not help.
- polishdude20 4y ago
  Yeah but what about people who are not ultimate freaks of nature like the rest of us? You can't look at a guy like Ronnie Coleman and say that's what most people can achieve with decades of squats, deadlifts and free weights. As far as I've seen, decades of squats , deadlifts and freeweights are super beneficial for keeping strong in your old age and actually reduce the likelihood of joint issues and also reduce the risk of falling.
- mywittyname 4y ago
  Lifting weights is not body building. Lifting weights doesn't mean trying to max it out every session. It's still "lifting weights" to go in and do a half hour of compound lifts with moderate weights. Most people can keep that up for a long time.
- confidantlake 4y ago
  He is an outlier. He lifted very heavy weights and did tons of peds.
  - Daishiman 4y ago
    Also to note, he had horrendous form and was victim of the painkiller downward spiral, product of his various back surgeries.
- bamboozled 4y ago
  Would it be be fare to say Ronnie wasn’t a healthy person? I don’t consider body builders who use steroids to be healthy people, I lift weights everyday.
nonameiguess 4y ago
This would be seriously confounded by both athletes who push their bodies so far that they die young for other reasons, as well as those who incur injuries and don't maintain the increased strength and bone density into old age if they make it long enough. But yes, clearly if you manage to maintain a level of strength training that is strenuous enough to promote better than baseline bone density and muscle strength, but not so strenuous as to injure yourself beyond what you can heal from, there are going to be benefits and one of them is likely to be not dying because you can't consistently stand up in old age. There was a USC running back maybe 15 years ago or so whose name I can't remember any more who somehow managed to drop a barbell loaded to 360 lbs on his throat while bench pressing, and survived. The doctors at the time mentioned that an accident like that would have killed almost anybody, but he survived because his neck musculature was so thick. But I nonetheless suspect, if you survey the average lifespan of everyone who ever makes it to the NFL versus everyone else, the NFL players are not going to come out on top.
- hinkley 4y ago
  Everyone thinks they’ll be a 60 year old badass. Nobody seems to notice the demographic difference between this fiction and reality.
- bamboozled 4y ago
  Why would anyone think an NFL player would have no issues later in life ? Wouldn’t this just be common sense they’re going to be wrecked in different ways to say a CrossFit athlete who doesn’t get their knees broken in 500 pieces ?
pengaru 4y ago
My impression is the decline of old age is somewhat inevitable without interventions like HRT. Especially for women who after menopause will inevitably develop some form of osteoporosis AIUI. But before reaching that point you can obviously improve bone density/strength/balance/athleticism in general to raise how high your peak is where you'll start declining from. In lieu of bad injuries I don't think there are any down sides to pushing these variables upwards while you still can.
- hinkley 4y ago
  Isn’t there a link between muscle mass and hormone levels?
clairity 4y ago
lifting weights can distort the natural balance of muscles and ligaments around the body and can create strain-/break-points as well. that's why, especially for the elderly, full-body exercise like walking, yoga, and tai chi are usually better, because it maintains relative balance implicitly without having to manage that explicitly. the only caveat is that it's really important (even more with age) to also work out your heart, blood vessels, lungs, and abdomen, so you need something that ups the intensity for at least 15-30 minutes 3× a week: running, biking, tennis, etc. for older folks, swimming is really great since it's low impact. we generally all need both types of exercise (full body and more intense) to maintain fitness throughout our lives. some activities can fulfill both needs at the same time (i still play basketball for this very reason).
- polishdude20 4y ago
  "lifting weights can distort the natural balance of muscles and ligaments around the body and can create strain-/break-points as well." source?
  - feet 4y ago
    Naturalmoms.com
- nradov 4y ago
  There's nothing wrong with walking, tai chi, and yoga but they're insufficient to build and maintain muscle mass for the elderly (or really even younger people). They need some resistance training as well. Muscle isolation exercises can cause imbalances if you don't know what you're doing which is why most people are better off doing compound functional movements. The other issue is that digestive systems become less effective at extracting protein as we age. So many elderly people ought to increase their protein intake to prevent muscle atrophy.
  - clairity 4y ago
    right, i should have led earlier with (1) exercise your body (musculoskeletal) and (2) exercise your heart (cardiopulmonary), which is easier to digest and remember, as both are required for good physical fitness (you get digestive, lymphatic, endocrine, and other systemic benefits for free with this too). the combination of these two goals should naturally lead to exercise with enough resistiveness for whole-body fitness (like basketball) without having to focus on each system separately[0], as you do with weight training, which primarily focuses on muscle mass. compound athletic movements naturally approximate what we do with our bodies daily anyway, which is what makes it intrinsically more holistic. you're right that walking by itself is probably inadequate[1] for musculoskeletal fitness, but 60+% of americans would benefit from walking daily. add swimming/cycling a few times a week and you're done! the bigger point might be that good fitness doesn't require heavy equipment (ha) or a gym. [0]: note that pain is a natural feedback mechanism that tells you where the imbalances are, to stretch, exercise, and/or rest more in that area. [1]: it depends on what type of walking, yoga, or tai chi you're doing; for instance, competitive walking can be enough for some folks.

gkop 4y ago

I'd love to see a simple infographic that tells us the most important stuff to pay attention (eg. strength vs flexibility) to at different ages and for both genders..

hinkley 4y ago
They are linked. Tai chi and yoga both work on hip flexibility, and without that flexibility I don’t think my hams would be as strong as they are. I was always unbalanced to quads, even before I got into cycling which made that worse. And that’s a quick route to chronic knee pain, which makes everything else harder.
- aristophenes 4y ago
  Could you expound? Are you saying strong quads + weak hamstrings == knee pain? I recently started using an exercise bike in addition to squats and climbs in order to get in shape and found that I started having chronic knee pain for the first time in my life, which persisted for months even after I stopped using the bike. I don't use clip on shoes, which I would imagine would allow hamstrings to be utilized more. Very few datapoints right now, but my knees seem to feel better, not worse, after sprinting exercises. I've been very athletic my whole life and never had knee problems before.
  - hinkley 4y ago
    Slow down (less interval training), spin more, adjust the bike. Once upon a time I helped fit people for bicycles. The rule for Chen and bicycles is that there is a little bump of bone below the knee cap, it’s where the tibia flares out and I think a tendon attachment. That should always stay behind the ball of your foot. And your knee should be 95% straight at the bottom of the stroke. Not quite straight, but if you flex your ankle you can just hit fully locked. This engages the lowest bulb of the quad which also helps avoid injury. The problem with cyclists is the tendency to lean foreword when they walk, which exacerbates the knee over ball problem. You need to lean back a bit, relax the hips. As an experiment, try walking without locking your knees. Also keep your feet farther apart, like there’s a board on the ground, though that help more with fallen arches, and will make some hip muscles sore while they become less atrophied. And if your knees are sore after a workout, that is cartilage inflammation and you need ice and ibuprofen and think hard about how not to do that next time, because you are doing damage. For me where the tai chi helped here is that by shifting my weight back I’m using cartilage around the injury more, which is still fairly healthy.
    - nradov 4y ago
      You've got to do at least some high intensity interval training with your heart rate near maximum in order achieve any significant performance improvements. Ice and cold therapy has been largely debunked for the conditions you mentioned. Your advice is generally outdated and not aligned with evidence based medicine or successful endurance sports coaching.
      - hinkley 4y ago
        If it wasn't clear from my wording, I'll say it again: If you're getting sore joints you fucked up, please stop doing that. Take some anti-inflammatories for today and sort your shit out. Also I'm pretty sure you're wrong about the ice. If anything they're using more of it (but for different reasons).
        nradov 4y ago
- MrMan 4y ago
  Flexibility isn't something to chase. I warm up by doing a light version of the activity I am doing. My PT disabused me of the primacy of stretching after I got a herniated disc. I stopped stretching and started lifting and doing body weight exercises and stopped doing cross fit and I healed up and never stretch anymore.
  - hinkley 4y ago
    The word "flexibility" is not owned by contortionists. Range of motion is still very important, and while yoga can and does tend to the contortionist end of the spectrum, tai chi does not, and yet it still cares quite a bit about flexibility, as an antonym to tightness/stiffness.

hinkley 4y ago

As a former athlete, you would be surprised how much function you lose after a few injuries. Range of comfortable motion can rob you of those benefits in under ten years, and most of us have up to 20 from retirement to the grave. My first injury was knee cartilage. My last was wrist, which makes lifting and even yoga hard. But tai chi helped stabilize my knee, and made me feel 10 years younger. Also it made me “need” 30 minutes less sleep a night, and I stuck with it once I realized that the time in class paid for itself.

julianlam 4y ago
I've never heard that Tai Chi could bea substitute for sleeping, is that what you're getting at? Or did you mean some second order effect like "the focus granted from half an hour of tai chi allowed me to finish my tasks half an hour earlier"
- hinkley 4y ago
  I mean waking feeling more rested in the morning. The typical stategy for waking up tired is to go to bed earlier, which is less time in the evening to do other things.
Scalestein 4y ago
I've been intereted in tai chi but haven't found a good place to learn it. Do you do in-person classes or online?

sbf501 4y ago

Not unless it is continued later into life. I am experiencing early onset osteoporosis and I spent my late 20's and 30's lifting weights (C&J, squats, DLs, etc). I was told that these kinds of exercises will increase bone density in certain bones, but unless that is continued, bones revert to a "normal" state (as defined by your body, not a population), until loss begins in older age. Just like muscles I guess: they shrink back to "normal" if you don't constantly work them. (E.g., ever take 4-5 months off from lifting and notice how your gains evaporate?)

hinkley 4y ago
If anyone can work out how to convince 26-35 year olds that this isn’t a race and nothing grows back anymore, I’d nominate them for a Nobel prize. The bad thing about tai chi and also a class I took from a PT on biomechanics is how often I have to not blurt out advice. I’ve only just stopped analyzing the gait of people walking in front of me. The sympathetic pains were rough.
- sbf501 4y ago
  Seriously. I just liked being strong! Fortunately, I managed to avoid any injuries, so I count myself lucky. Now I just jog (not run) for cardio and do yoga for mobility. I look forward to it and don't have to wait in line at a gym (or go at ungodly hours).
  - thechao 4y ago
    I seitched to high volume, low weight, and it has been a game changer. Lifting heavy is just a way to destroy joints and get injuries. One sude effect is hypertrophy — I've added 2cm to my arms, tone is way better, and I don't hurt. I superset, too, so I'm in the gym less, and the workout is better.

matwood 4y ago

Bodybuilders? Probably follow a U shaped curve. The extreme ones do a lot that is unhealthy that leave them pretty broken later in life. Thinking about it more, there is probably a more general U curve for exercise. For example, I used to see an ex-NFL running back in the gym sauna. He could barely move most days before 30+ minutes in the heat. I power lifted for almost 15 years before scaling back because of age. I feel like I ended up hitting a sweet spot, but was always careful. Even before I really cut back I had quit doing singles for awhile.

dfsegoat 4y ago
> I used to see an ex-NFL running back in the gym sauna. He could barely move most days before 30+ minutes in the heat. This. Anecdotally, I know a retired NFL Offensive lineman. He is on a full NFL disability pension at 35 years old because of knee and shoulder injuries. Moving anywhere is very difficult for him.
TheCoelacanth 4y ago
There's a major confounding factor for NFL players in that they get repeatedly hit by large, athletic people (running backs especially, but even a kicker gets hit more than a typical bodybuilder). I doubt it's the exercise that causes most of their health issues.
- derivagral 4y ago
  I've known professional athletes in skating that have had problems as well. Hip replacement in their 20s, joint pain, that sort of thing. Training for hours a day can definitely be problematic later in life, at least with that duration and degree.
ID1452319 4y ago
Interesting comment about singles. Is that because you felt the massive amount of effort you put in to a single substantially increased your chances of injury compared to doing reps?
- 4y ago

dfsegoat 4y ago

> Would decades of squats, deadlifts, free weights/kettlebells ... to withstand most chances of hip breaks occurring If you look at a lot of competitive athletes and bodybuilders, they tend to be pretty broken in their old age. E.g. Ronnie Coleman - former Mr. Olympia - could barely walk after tons of spinal and back surgeries. Maybe you have the bone density - but if you are immobile with tons of joint and arthritis issues, it probably will not help.

polishdude20 4y ago
Yeah but what about people who are not ultimate freaks of nature like the rest of us? You can't look at a guy like Ronnie Coleman and say that's what most people can achieve with decades of squats, deadlifts and free weights. As far as I've seen, decades of squats , deadlifts and freeweights are super beneficial for keeping strong in your old age and actually reduce the likelihood of joint issues and also reduce the risk of falling.
mywittyname 4y ago
Lifting weights is not body building. Lifting weights doesn't mean trying to max it out every session. It's still "lifting weights" to go in and do a half hour of compound lifts with moderate weights. Most people can keep that up for a long time.
confidantlake 4y ago
He is an outlier. He lifted very heavy weights and did tons of peds.
- Daishiman 4y ago
  Also to note, he had horrendous form and was victim of the painkiller downward spiral, product of his various back surgeries.
bamboozled 4y ago
Would it be be fare to say Ronnie wasn’t a healthy person? I don’t consider body builders who use steroids to be healthy people, I lift weights everyday.

nonameiguess 4y ago

This would be seriously confounded by both athletes who push their bodies so far that they die young for other reasons, as well as those who incur injuries and don't maintain the increased strength and bone density into old age if they make it long enough. But yes, clearly if you manage to maintain a level of strength training that is strenuous enough to promote better than baseline bone density and muscle strength, but not so strenuous as to injure yourself beyond what you can heal from, there are going to be benefits and one of them is likely to be not dying because you can't consistently stand up in old age. There was a USC running back maybe 15 years ago or so whose name I can't remember any more who somehow managed to drop a barbell loaded to 360 lbs on his throat while bench pressing, and survived. The doctors at the time mentioned that an accident like that would have killed almost anybody, but he survived because his neck musculature was so thick. But I nonetheless suspect, if you survey the average lifespan of everyone who ever makes it to the NFL versus everyone else, the NFL players are not going to come out on top.

hinkley 4y ago
Everyone thinks they’ll be a 60 year old badass. Nobody seems to notice the demographic difference between this fiction and reality.
bamboozled 4y ago
Why would anyone think an NFL player would have no issues later in life ? Wouldn’t this just be common sense they’re going to be wrecked in different ways to say a CrossFit athlete who doesn’t get their knees broken in 500 pieces ?

pengaru 4y ago

My impression is the decline of old age is somewhat inevitable without interventions like HRT. Especially for women who after menopause will inevitably develop some form of osteoporosis AIUI. But before reaching that point you can obviously improve bone density/strength/balance/athleticism in general to raise how high your peak is where you'll start declining from. In lieu of bad injuries I don't think there are any down sides to pushing these variables upwards while you still can.

hinkley 4y ago
Isn’t there a link between muscle mass and hormone levels?

clairity 4y ago

lifting weights can distort the natural balance of muscles and ligaments around the body and can create strain-/break-points as well. that's why, especially for the elderly, full-body exercise like walking, yoga, and tai chi are usually better, because it maintains relative balance implicitly without having to manage that explicitly. the only caveat is that it's really important (even more with age) to also work out your heart, blood vessels, lungs, and abdomen, so you need something that ups the intensity for at least 15-30 minutes 3× a week: running, biking, tennis, etc. for older folks, swimming is really great since it's low impact. we generally all need both types of exercise (full body and more intense) to maintain fitness throughout our lives. some activities can fulfill both needs at the same time (i still play basketball for this very reason).

polishdude20 4y ago
"lifting weights can distort the natural balance of muscles and ligaments around the body and can create strain-/break-points as well." source?
- feet 4y ago
  Naturalmoms.com
nradov 4y ago
There's nothing wrong with walking, tai chi, and yoga but they're insufficient to build and maintain muscle mass for the elderly (or really even younger people). They need some resistance training as well. Muscle isolation exercises can cause imbalances if you don't know what you're doing which is why most people are better off doing compound functional movements. The other issue is that digestive systems become less effective at extracting protein as we age. So many elderly people ought to increase their protein intake to prevent muscle atrophy.
- clairity 4y ago
  right, i should have led earlier with (1) exercise your body (musculoskeletal) and (2) exercise your heart (cardiopulmonary), which is easier to digest and remember, as both are required for good physical fitness (you get digestive, lymphatic, endocrine, and other systemic benefits for free with this too). the combination of these two goals should naturally lead to exercise with enough resistiveness for whole-body fitness (like basketball) without having to focus on each system separately[0], as you do with weight training, which primarily focuses on muscle mass. compound athletic movements naturally approximate what we do with our bodies daily anyway, which is what makes it intrinsically more holistic. you're right that walking by itself is probably inadequate[1] for musculoskeletal fitness, but 60+% of americans would benefit from walking daily. add swimming/cycling a few times a week and you're done! the bigger point might be that good fitness doesn't require heavy equipment (ha) or a gym. [0]: note that pain is a natural feedback mechanism that tells you where the imbalances are, to stretch, exercise, and/or rest more in that area. [1]: it depends on what type of walking, yoga, or tai chi you're doing; for instance, competitive walking can be enough for some folks.