3 ms·
You can have a strong core and still have bad posture. Being more aware helps you correct it. Mirrors are a great way to do that. Not honestly sure how your bi
by thenerdhead 3y ago
You can have a strong core and still have bad posture.
Being more aware helps you correct it. Mirrors are a great way to do that. Not honestly sure how your bicep comparison is relevant, but people look in front of mirrors to correct form for their bicep curls too.