5. Double-Leg Stretch
Strengthens abdominals, stretches lower back and hip flexors
- Lie faceup, head lifted, knees into chest, abs engaged.
- Straighten arms overhead, in line with ears, while extending legs 45 degrees. Keep legs still and head lifted as you circle arms wide to your sides, then hug knees back into chest. Do 5 slow reps, then 5 faster reps.