Unlike the hip, which has a deep ball-and-socket structure for support, the shoulder’s shallow socket depends on a network of muscles, tendons and ligaments for stability. The scapula (shoulder ...

Deltoid Abduction of the shoulder (moving the arm outwards and away from the body) Outward arm action in a jumping jack Rotator cuffs A group of stabilising muscles of the shoulder which helps to ...

Keywords anatomy, joints, fibrous joints, cartilaginous joints, synovial joints, movement, elbow, shoulder, hip, knee, ligaments, muscles Email us at [email protected] if you have questions ...

Muscles are attached to bones by tendons. Muscles contract to move our bones by pulling on them. However, muscles can only pull; they cannot push. This is why they usually work a joint in pairs ...