The faux pas Letting your knees shoot ahead of your toes, lifting your heels, dropping your knees inward The facts These mistakes place excess pressure on the tendons and ligaments of the knee.
The fix Holding a dumbbell in each hand, stand with your feet hip-width apart, legs straight but not locked, chest lifted, abs contracted. Keep body weight toward heels and bend knees to sit back and down, lowering thighs to as parallel a position to ground as possible, torso erect and knees aligned with ankles (shown). Straighten legs to stand back up. Strengthens buttocks, quadriceps and hamstrings
7. Bent-over lat row
The faux pas Rounding your spine and not flexing from your hips, pulling the weights up too far behind you The facts These mistakes place stress on your spine and reduce the demand on your back muscles, making the move less effective.
The fix Stand with feet hip-width apart and hold a dumbbell in each hand, arms by sides. Bend knees and flex forward from hips at about 90 degrees. Let arms hang in line with shoulders, palms facing in. Contract abs to support back. Draw shoulder blades down and together; maintaining body position, bend elbows up and in toward waist until upper arms are in line with torso and forearms are perpendicular to ground, knuckles pointing down (shown). Slowly straighten arms to starting position without changing torso position. Strengthens middle back, rear shoulders and biceps