3 ms·
Sprint up hill or grab onto straps and try repeated jumps into the air from a deep squat. Try adding a weighted vest if this isn't enough. If that doesn't work
by swader999 6y ago
Sprint up hill or grab onto straps and try repeated jumps into the air from a deep squat. Try adding a weighted vest if this isn't enough. If that doesn't work you should join the Navy Seals.
- redis_mlc 6y agoSomebodu approaching a 4 minute mile runs at almost double the speed of normal people and is twice as efficient. That might be what the person mentioned, and I hope he enjoys it while it lasts.
- tomjakubowski 6y agoThanks, however I have no issue getting my outta shape heart to 155 bpm! Was wondering if OP needed a stronger warmup to get their heart rate in the "target zone" for the HIIT work.