Shoulder Bones. The three bones of the shoulder are the: Humerus (arm bone); Scapula (shoulder blade); Clavicle (collarbone) The scapula has one part that forms a socket for the head of the ...

Scapula: The scapula, or shoulder blade, is a large bone in the upper back. It is triangle-shaped, with a ridge at the top called the scapular spine. There are 17 muscles that attach to the ...

Pectoralis minor protects your shoulder blade and allows you to ... Miniato MA, et al. (2019). Anatomy, shoulder and upper limb ... and work from a musculoskeletal model of the human shoulder ...

The scapula (shoulder blade) and shoulder girdle are comprised of two joints, the acromioclavicular joint (AC joint) and sternoclavicular joint (SC joint), and analysis of the motion usually ...

Rotator Cuff Anatomy Explained. Medically reviewed by Timothy Gossett, ... The head of your upper arm bone, also called the humerus, fits into the socket of your shoulder blade, or scapula.

These muscles work together to control arm movement and shoulder rotation. They also help keep the head of the upper arm bone, known as the humerus, in the socket of the shoulder blade, or scapula.

Shoulder blade (scapula) Upper arm bone (humerus) Your deltoid muscles start near your clavicle and scapula. The end of the muscles, or insertion point, attaches near your humerus.

Human fetuses evolved to slow shoulder growth for easier delivery. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2022 / 04 / 220414110833.htm ...