Your abdominal muscles, glutes, hips, and hamstrings all work together to stabilize your body every time you stand, walk, or bend over. These five bed exercises gently activate the muscles that support the spine while remaining comfortable enough for most fitness levels. This gentle movement teaches the deep abdominal muscles and lower back to work together while restoring mobility throughout the lumbar spine. Tighten your abdominal muscles. Bent-Knee Marches6254a4d1642c605c54bf1cab17d50f1eStrong core muscles reduce unnecessary stress on the lower back during nearly every daily activity.