Bones
Muscles
Rotator Cuff
Joints
100

This is the most superior bony process of the shoulder.

What is the acromion?

100

This large muscle has origins from the occipital bone all the way down through T12 and largely inserts into the spine of the scapula.

What is trapezius?

100

The rotator cuff is composed of these four muscles.

What are: Subspinatus, Infraspinatus, Teres Minor, and Subscapularis?

100

This is the anatomic name of the most mobile joint in the body.

What is the glenohumeral joint?

200

Also known as the "surgeon's lighthouse" due to its close proximity to many neurovascular bundles such as the brachial plexus; this hook shaped bone provides a landmark for surgeons.

What is the coracoid process?

200

This large and superficial muscle flexes, adducts, and internally rotates the arm on the shoulder joint.

What is pectoralis major?

200

This muscle is the strongest and largest of the rotator cuff muscles.

What is subscapularis?

200

Although not a true anatomical joint, this physiological joint allows the scapula to move upwards or downwards along the ribcage from the resting position.

What is the Scapulothoracic Joint?

300

Known in latin as "the little key," this is the most commonly fractured bone in the body.

What is the clavicle?

300

The musculocutaneous nerve innervates these three muscles

What are: coracobrachialis, biceps brachii, and brachialis?

300

These two rotator cuff muscles work together to externally rotate the shoulder joint.

What are: Infraspinatus and Teres Minor?

300

Respectively, these two elbow joints are 1) a simple hinge-joint, and 2) a limited ball-and-socket joint.

What is: 1) the humeroulnar joint; 2) the humeroradial joint.
400

3 muscles of the rotator cuff insert themselves at this bony process.

What is the greater tubercle of the humerus?

400
This muscle is the strongest arm abductor and is innervated by the axillary nerve.

What is the deltoid?

400

These spinal nerve roots innervate all four rotator cuff muscles.

What are C5 and C6?

400

This joint allows us to move our arms above our head.

What is the Acromioclavicular (AC) joint?