Jan 25, 2010 8:13 PM:
be careful not to arch your back forward. Always keep it tight and straight, or even arched up a little at the bottom. Don't let your knees wobble sideways either as this can lead to injury, keep them in line.
be careful not to arch your back forward. Always keep it tight and straight, or even arched up a little at the bottom. Don't let your knees wobble sideways either as this can lead to injury, keep them in line.-See Less
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Jan 25, 2010 8:13 PM: be careful not to arch your back forward. Always keep it tight and straight, or even arched up a little at the bottom. Don't let your knees wobble sideways either as this can lead to injury, keep them in line.