There's more to a biceps curl than just the flex. Keep this posture note in mind to get the most out of your reps.

Stand tall, feet hip-width apart and hands behind your head. Step one foot back and lower into a deep reverse lunge, keeping your chest tall. As you rise to stand, bring your back knee forward and ...

Strength and conditioning coach shares his favorite abs exercise that many people skip, and it could improve strength, activation, control and coordination.