Muscle Origins and Insertions

Front

Quadriceps Group

Back

Front of thigh, extends knee

Front

Hamstrings Group

Back

Back of thigh, flexes knee

Front

Biceps Brachii Origin

Back

Scapula

Front

Biceps Brachii Insertion

Back

Radius

Front

Triceps Brachii Origin

Back

Scapula and humerus

Front

Triceps Brachii Insertion

Back

Ulna

Front

Deltoid Origin

Back

Clavicle and scapula

Front

Deltoid Insertion

Back

Humerus

Front

Pectoralis Major Origin

Back

Clavicle, sternum, ribs

Front

Pectoralis Major Insertion

Back

Humerus