Alphabetical listing of muscles
Abductor digiti minimi (foot)
Action : abducts fifth toe
Origin: calcaneal tuberosity, plantar aponeurosis, intermuscular septum
Insertion : lateral side of base of proximal phalanx of fifth toe
Nerve : lateral plantar nerve (S1–S3)
Abductor digiti minimi (hand)
Action : abducts little finger
Origin: pisiform, tendon of flexor carpi ulnaris, pisohamate
ligament
Insertion: ulnar side of base of proximal phalanx of little
finger
Nerve: ulnar nerve (C8, T1)
Abductor hallucis
Action : abducts and flexes great toe
Origin: flexor retinaculum, calcaneal tuberosity, plantar
aponeurosis, intermuscular septum
Insertion: medial side of base of proximal phalanx of great toe
Nerve : medial plantar nerve (S1, S2)
Abductor pollicis brevis
Action: abducts thumb
Origin: flexor retinaculum, tubercles of scaphoid and trape-
zium, tendon of abductor pollicis longus
Insertion : radial side of base of proximal phalanx of thumb
Nerve: median nerve (C8, T1)
Abductor pollicis longus
, Action: abducts and extends thumb, abducts wrist
Origin : upper part of posterior surface of ulna, middle third
of posterior surface of radius, interosseous membrane
Insertion : radial side of first metacarpal base, trapezium
Nerve: posterior interosseous nerve (C7, C8)
Adductor brevis
Action: adducts hip
Origin : external aspect of body and inferior ramus of pubis
Insertion : upper half of linea aspera
Nerve: obturator nerve (L2, L3)
Adductor hallucis
Action: adducts great toe
Origin: oblique head – bases of second to fourth metatarsal, sheath of
peroneus longus tendon; transverse head plantar metatarsophalangeal
ligaments of lateral three toes
Insertion: lateral side of base of proximal phalanx of great toe
Nerve: lateral plantar nerve (S2, S3)
Adductor longus
Action: adducts thigh
Origin : front of pubis
Insertion : middle third of linea aspera
Nerve: anterior division of obturator nerve (L2–L4)
Adductor magnus
Action: adducts thigh
Origin: inferior ramus of pubis, conjoined ischial ramus, infe-
rolateral aspect of ischial tuberosity
Insertion: linea aspera, proximal part of medial supracondylar line
Abductor digiti minimi (foot)
Action : abducts fifth toe
Origin: calcaneal tuberosity, plantar aponeurosis, intermuscular septum
Insertion : lateral side of base of proximal phalanx of fifth toe
Nerve : lateral plantar nerve (S1–S3)
Abductor digiti minimi (hand)
Action : abducts little finger
Origin: pisiform, tendon of flexor carpi ulnaris, pisohamate
ligament
Insertion: ulnar side of base of proximal phalanx of little
finger
Nerve: ulnar nerve (C8, T1)
Abductor hallucis
Action : abducts and flexes great toe
Origin: flexor retinaculum, calcaneal tuberosity, plantar
aponeurosis, intermuscular septum
Insertion: medial side of base of proximal phalanx of great toe
Nerve : medial plantar nerve (S1, S2)
Abductor pollicis brevis
Action: abducts thumb
Origin: flexor retinaculum, tubercles of scaphoid and trape-
zium, tendon of abductor pollicis longus
Insertion : radial side of base of proximal phalanx of thumb
Nerve: median nerve (C8, T1)
Abductor pollicis longus
, Action: abducts and extends thumb, abducts wrist
Origin : upper part of posterior surface of ulna, middle third
of posterior surface of radius, interosseous membrane
Insertion : radial side of first metacarpal base, trapezium
Nerve: posterior interosseous nerve (C7, C8)
Adductor brevis
Action: adducts hip
Origin : external aspect of body and inferior ramus of pubis
Insertion : upper half of linea aspera
Nerve: obturator nerve (L2, L3)
Adductor hallucis
Action: adducts great toe
Origin: oblique head – bases of second to fourth metatarsal, sheath of
peroneus longus tendon; transverse head plantar metatarsophalangeal
ligaments of lateral three toes
Insertion: lateral side of base of proximal phalanx of great toe
Nerve: lateral plantar nerve (S2, S3)
Adductor longus
Action: adducts thigh
Origin : front of pubis
Insertion : middle third of linea aspera
Nerve: anterior division of obturator nerve (L2–L4)
Adductor magnus
Action: adducts thigh
Origin: inferior ramus of pubis, conjoined ischial ramus, infe-
rolateral aspect of ischial tuberosity
Insertion: linea aspera, proximal part of medial supracondylar line
