It's well established that a strong core can help with posture and back issues, and properly executed sit ups can contribute to a stronger, more stable core. "Regularly doing sit-ups or crunches can ...

The gluteus medius is one of three big muscles in your buttocks, sitting at the side of your hip. It helps to stabilize your pelvis, hips and legs, especially during weight-bearing movements like ...

Articulate the spine one piece at a time as you roll your hips up. Pause at the top, then roll one piece at a time back down to connect to the mat. Lie on your side with your head supported and legs ...