6. Weighted Punch
Fitness Focus: Shoulders, biceps
- Stand with feet hip-width apart, holding a 1- to 2-pound weight in each hand, fists in front of your face, palms facing each other.
- Without moving your left fist, punch your right fist up as high as possible without locking your elbow.
- Quickly pull right fist back to starting position as you simultaneously punch your left fist upward.
- Continue alternating for 60 seconds; start slowly and gradually increase speed until you're moving as fast as you can.