Ball and socket joints also allow flexion and extension. Flexion of the shoulder joint occurs when the humerus (upper arm) moves forwards from the rest of the body, which happens at the end of an ...

Extensions of shoulder pain arm using opposite arm OR with broomstick or Booyah. (10 repetitions) After the extension of your ...

Extension – straightening 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 ...