For Kneeling Side Plank, create a 90-degree angle with your quads and calves, stacking the upper half of your legs on top of each other.

Alternating single-leg glute bridge with kick: 3 sets, 30 seconds Kneeling side leg lifts: 3 sets, 30 seconds per leg (I alternated between 30 seconds on the left and 30 seconds on the right.) ...

Begin in a kneeling side plank position with your right knee down and your left leg extended. From here, bend your left knee and place your left foot on the floor in front of your right shin.

Reps: 2 x 20 Kneeling side plank Propped on forearm so your elbow is directly under your shoulder. Knees are bent so you have one long line from shoulders to knees.

The Pilates arms and abs workout finishes up with some dedicated core work —think criss-cross hold with leg extension, roll up, elbow plank reach, and kneeling side bend.

2. Kneeling Side Plank The physical therapist suggested a "simple kneeling side plank," where you rest one forearm on the ground and keep your entire body off the floor.

Raise your hips up. For Kneeling Side Plank, create a 90-degree angle with your quads and calves, stacking the upper half of your legs on top of each other.