Muscle Origins and Insertions

Gracilis

Origin: Pubis, Insertion: Medial tibia.

Pectineus

Origin: Pubis, Insertion: Pectineal line of femur.

Adductor Longus

Adductor Brevis

Adductor Magnus – Adductor Portion

Origin: Pubis, Insertion: Linea aspera.

Origin: Pubis, Insertion: Linea aspera.

Iliacus

Origin: Iliac fossa, Insertion: Lesser trochanter.

Psoas Major

Origin: Vertebral column, Insertion: Lesser trochanter.

Sartorius

Origin: ASIS, Insertion: Medial tibia.

Rectus Femoris

Origin: AIIS, Insertion: Tibial tuberosity (via patellar tendon).

Vastus Lateralis

Origin: Greater trochanter, Insertion: Tibial tuberosity.

Vastus Intermedius

Origin: Anterior shaft of femur, Insertion: Tibial tuberosity.

Vastus Medialis

Origin: Intertrochanteric line, Insertion: Tibial tuberosity.

Biceps Brachii — Long Head

Origin: Supraglenoid tubercle, Insertion: Radial tuberosity.

Biceps Brachii — Short Head

Origin: Coracoid process, Insertion: Radial tuberosity.

Coracobrachialis

Origin: Coracoid process, Insertion: Medial shaft of humerus.

Brachialis

Origin: Shaft of humerus, Insertion: Coronoid process of ulna.

Triceps — Long Head

Origin: Infraglenoid tubercle, Insertion: Olecranon process.

Triceps — Lateral Head

Origin: Posterior humerus, Insertion: Olecranon process.

Triceps — Medial Head

Origin: Posterior humerus, Insertion: Olecranon process.

Brachioradialis

Extensor Carpi Radialis Longus

Origin: Lateral supracondylar ridge

Extensor Carpi Radialis Brevis

Extensor Digitorum

Extensor Digiti Minimi

Supinator

Origin: Lateral epicondyle of humerus

Posterior Forearm

• Abductor Pollicis Longus

• Extensor Pollicis Longus

• Extensor Pollicis Brevis

• Extensor Indicis

Anterior Forearm

• Flexor Pollicis Longus

• Flexor Digitorum Profundus

• Pronator Quadratus

Origin: Radius + ulna

Pronator Teres

Flexor Carpi Radialis

Palmaris Longus

Flexor Carpi Ulnaris

Flexor Digitorum Superficialis

Origin: Medial epicondyle

Pronator Quadratus

Origin: Ulna, Insertion: Radius.

Biceps Femoris — Long Head

Origin: Ischial tuberosity, Insertion: Head of fibula.

Biceps Femoris — Short Head

Origin: Linea aspera, Insertion: Head of fibula.

Semitendinosus

Origin: Ischial tuberosity, Insertion: Medial tibia.

Semimembranosus

Origin: Ischial tuberosity, Insertion: Medial tibia.