Shoulder Joint Motions

Horizontal Abduction and Adduction

Transverse Plane around the vertical axis

Internal and External Rotation

Transverse plane around the vertical axis

Flexion and Extension

Sagittal plane around the frontal axis

Abduction and Adduction

Frontal Plane around the sagittal axis

Rotator Cuff Muscles

SITS- Supraspinatus, Infraspinatus, Teres Minor, Subscapularis

What are the two muscles that make up the armpit?

Pectoralis Major, and the Latissimus Dorsi

What is another name for the shoulder joint?

Glenohumeral Joint

What are the three type of contractions?

Concentric, Isometric, and Eccentric

How many degrees of freedom does the shoulder joint have?

3

What type of synovial joint is the shoulder joint?

Ball and Socket

What muscle is in the Supraspinous Fossa?

The Supraspinatus Muscle

What muscle is in the infraspinous fossa?

Infraspinatus

What is the teres minor attached to?

The lateral border

What muscle is in the subscapular fossa?

Subscapularis

What is the function of the rotator cuff?

Stabilization

What are the bones that make up the shoulder girdle?

Scapula, Clavicle, Humerus

What are the muscles that are involved in shoulder flexion/extension?

Anterior Deltoid, Pectoralis Major, Coracobrachialis

What bones make up the shoulder joint?

Clavicle and Scapula

Muscles for Shoulder Extension

Latissimus Dorsi, Teres Major, Pectoralis Major, Anterior Deltoid, Teres Minor