Week 1 Day 4
Reps: 40 [20 per side]
Equipment: None

- Begin in a side elbow plank with your left elbow down and your right hand behind your head.
- Keeping your torso stable and your waist lifted, bring your right leg up toward your shoulder to lightly tap your right elbow.
- Lengthen your right leg back to the starting position to complete one rep.
- Complete 20 reps, then switch to the opposite side.