Targets rectus abdominis, obliques, transversus abdominis, and inner thighs
- Lie faceup on mat with hands behind head, elbows bent out to sides, and legs extended directly up, squeezing a single yoga block between thighs.
- Curl shoulders off floor and rotate torso to bring left elbow toward right.
- Return to center and repeat toward left.
- Do 2 to 3 sets of 20 reps, alternating sides.