This 6-minute chair routine builds leg muscle faster than squats after 60, per certified trainer Jarrod Nobbe, CSCS.

Add Yahoo as a preferred source to see more of our stories on Google. You know that the humble squat is one of the best exercises there is for building lower-body strength—and you're probably already ...

The standard barbell squat has served as a foundational pillar for strength-training programs for 100 years. Few other movements challenge as many muscle groups as effectively as the squat. This week, ...