- أساسيثانويثالثي
- الصعوبة
- Beginner
- القوة
- Hold
- القبضات
- None
- الآلية
- Isolation
- Lie on the floor keeping your knees bent and the feet on the floor.
- Place a massage ball under your lower back and move around till the ball presses into a tight/sore spot.
- If you use a foam roller you would have to be seated and leaning back into the roller.