Pectoralis major

Origin

Clavicle, sternum and cartilages of ribs 1–6

Insertion

Top of the humerus

Joint crossed

Shoulder (glenohumeral) joint

Joint actions

Shoulder horizontal flexion

Shoulder adduction

Shoulder medial rotation

Exercise example(s)

Bench Press, Chest Press, Pec Dec, Push Ups

Stretch example(s)

Standing Pectorals stretch