Your deltoids help with shoulder flexion, shoulder extension, lifting your arm laterally away from your body, and more. Your ...
Flexion – bending a joint ... This occurs at the hip and shoulder joints during a jumping jack movement. Adduction – movement towards the midline of the body. This occurs at the hip and ...
Flexion – bending a joint ... This occurs at the hip and shoulder joints during a jumping jack movement. Adduction – movement towards the midline of the body. This occurs at the hip and ...