FAILURES:
VIDEO:
Outside femur rotated in (valgus X stance)
The outside foot rotated out
POSSIBLE FAILURES:
Stay further away from the wall to get your body lean more on the ball
Deeper knee flexion
HS9
PROGRESS:
Core stability
Pelvis and hip stability
OBJECTIVE:
Swiss Ball
EQUIPMENT:
Place the ball on your thigh against the wall.
Stand on your outside leg. Your toes should point forward
Raise your inside leg and flex your ankle (toes up).
Pull back your raised leg's heel.
Square your pelvis (or the outside hip can be a little bit front)
1. Lower your body until you can hold the balance.
2. Extend your legs
The main purpose is not to maximize the flex of the knee but to look for a stable stance on the outside leg and prevent a valgus (X) rotation of the femur.