• Medial and lateral sides of the tuberosity of the calcaneus.

Insertion :

• Lateral side of the base of the proximal phalanx of the 5th digit.

Innervation :

• Lateral plantar nerve

Depth :

• Superficial

• Abducts the 5th toe; flexes the metatarsophalageal joint.

• Medial side of the tuberosity of calcaneus.

Insertion :

• Medial side of the base of the proximal phalanx of the great toe (hallux).

Innervation :

• Lateral plantar nerve

Depth :

• Superficial

• Abducts the 5th toe
• Flexes the metatarsophalageal joint.

• Flexor retinaculum and tubercles of scaphoid and trapezium.

Insertion :

• Lateral side of base of proximal phalanx of thumb.

Innervation :

• Recurrent branch of median nerve (C8 and T1).

Arterial Supply :

• Superficial palmar branch of the radial artery.

Depth :

• Superficial

• Abducts thumb and helps oppose it.

• Posterior surfaces of ulna, radius and interosseous membrane.

Insertion :

• Base of 1st metacarpal.

Innervation :

• Posterior interosseous nerve (C7 and C8).
• The continuation of the deep branch of the radial nerve.

Arterial Supply :

• Posterior interosseous artery.

Depth :

• Superficial

• Abducts thumb and extends it at carpometacarpal joint.

• Anterior surface of inferior pubic ramus, inferior to origin of adductor longus.

Insertion :

• Pectineal line and superior part of medial lip of linea aspera.

Innervation :

• Anterior or posterior division of obturator nerve.

Arterial Supply :

• Obturator artery and medial circumflex femoral artery.

Depth :

• Superficial

• Adducts and flexes the thigh and helps to laterally rotate the thigh.

• Oblique head: bases of metatarsals 2-4.
• transverse head: heads of metatarsals 3-5

Insertion :

• Lateral side of base of the proximal phalanx of the great toe.

Innervation :

• Deep branch of the lateral plantar nerve

Depth :

• Superficial

• Adducts the great toe (moves it toward midline of the foot; i.e.toward the 2nd digit)

• Anterior surface of body of pubis, just lateral to pubic symphysis.

Insertion :

• Middle third of linea aspera, between the more medial adductor magnus and brevis insertions and the more lateral origin of the vastus medialis.

Innervation :

• Anterior division of obturator nerve.

Arterial Supply :

• Obturator artery and medial circumflex femoral artery.

Depth :

• Superficial

• Adducts and flexes the thigh and helps to laterally rotate the hip joint.

• Inferior pubic ramus, ischial ramus and inferolateral area of ischial tuberosity.

Insertion :

• Gluteal tuberosity of femur, medial lip of linea aspera, medial supracondylar ridge and adductor tubercle.

Innervation :

• Posterior division of obturator nerve innervates most of the adductor magnus.
• Vertical or hamstring portion innervated by tibial nerve.

Arterial Supply :

• Medial circumflex femoral artery,
• Inferior gluteal artery,
• 1st - 4th perforating arteries,
• Obturator artery,
• and some superior muscular branches of popliteal artery.

Depth :

• Superficial

• Powerful thigh adductor; superior horizontal fibers also help flex the thigh, while vertical fibers help extend the thigh.

• Oblique head: Bases of 2nd and 3rd metacarpals
• capitate and adjacent carpals
• Transverse head: Anterior surface of body of 3rd metacarpal

Insertion :

• Medial side of base of proximal phalanx of thumb.

Innervation :

• Deep branch of ulnar nerve (C8 and T1).

Arterial Supply :

• Deep palmar arterial arch.

Depth :

• Superficial

• Draws 1st metacarpal laterally to oppose thumb toward center of palm and rotates it medially.

• Lateral epicondyle of humerus.

Insertion :

• Lateral surface of olecranon and superior part of posterior surface of ulna.

Innervation :

• Radial nerve (C7, C8 and T1).
• The continuation of the deep branch of the radial nerve.

Arterial Supply :

• Middle collateral branch of deep brachial artery.
• Recurrent interosseous artery.

Depth :

• Deep

• Assists triceps in extending forearm.
• Stabilizes elbow joint.
• Abducts ulna during pronation.

• Anterior border and superior surface of the lateral third of the clavical

Insertion :

• Deltoid tuberosity, on the middle of the lateral surface of the shaft of the humerous

Innervation :

• Axillary Nerve (C5, C6)

Arterial Supply :

• Deltoid branch of thoracoacromial artery

Depth :

• Superficial

• Flexes and medially rotates arm.

• Short head: Tip of coracoid process of scapula.
• Long head: Supraglenoid tubercle of scapula.

Insertion :

• Tuberosity of radius and fascia of forearm via bicipital aponeurosis.

Innervation :

• Musculocutaneous nerve (C5 and C6 ).

Arterial Supply :

• Muscular branches of brachial artery.

Depth :

• Superficial

• Supinates forearm.
• When supine (facing up), it flexes forearm.