ANAT5217 Midterm 2 (Post-Midterm 1) -Actions, Innervations

Pronator Teres - Innervation

Median Nerve.

Palmaris Longus - Innervation

median nerve

Flexor carpi radialis - Innervation

Median Nerve

Flexor carpi ulnaris - Innervation

ULNAR NERVE

Pronator quadratus - innervation

median nerve

Brachioradialis - Innervation

RADIAL NERVE

Extensor carpi radialis longus and brevis - Innervation

Radial Nerve

Extensor carpi ulnaris - Nerves

Radial Nerve

Supinator - Nerve

Radial Nerve

Flexor digitorum superficialis - Innervation

Median nerve

Flexor digitorum profundus - Innervations

Median Nerve (supplies the lateral half of the muscle i.e. the tendons going to tindex and middle finger)

Ulnar nerve (supplies the medial half, tendons going to ring and little finger)

Flexor pollicis longus - innervation

Median nerve

Extensor digitorum - innervation

radial nerve

Extensor indicis - innervation

radial nerve

Extensor digiti minimi - Innervation

radial nerve

Extensor policis longus - innervation

Radial n.

Extensor Pollicis brevis - innervation

Radial n.

Abdcutor pollicis longus - innervation

Radial N.

Name the thenar muscles

Abductor pollicis brevis

Flexor pollicis brevis

Opponens pollicis

Abductor pollicis brevis - Innervation

recurrent branch of Median N.

Flexor pollicis brevis - Innervation

recurrent branch of Median N.

Opponens pollicis - Innervation

recurrent branch of Median N.

Hypothenar Muscles

Abductor digiti minimi

flexor digiti minimi

opponens digiti minimi

Abductor digiti minimi - Innervation

Ulnar N.

flexor digiti minimi - Innervation

Ulnar N.

opponens digiti minimi - innervation

Ulnar N.

Lumbricals - Innervations

Median N. (1-2)

Unar N. (3-4)

Adductor Pollicis - Innervation

Ulnar n.

Interossei (Palmar and Dorsal) - Innervation

Ulnar n. (deep branch)

Gluteus Maximus - Innervation

Inferior gluteal n. (L5, S1, S2)

Gluteus medius - Innervation

Superior gluteal n. (L4, L5, S1)

Gluteus minimus - Innervation

Superior gluteal n. (L4, L5, S1)

Tensor Fasciae Latae - Innervation

Superior gluteal n. (L4, L5, S1)

Piriformis - Innervation

S1-S2 from sacral plexus

Sciatic Nerve - Terminal Branches

1. tibial n.

2. common fibular (common peroneal) n.

Gemellus superior and inferior - innervation

Sacral plexus

Obturator internus - Innervation

Sacral plexus

Obturator externus - distal attackment

trochanteris fossa of femur

Obturator externus - Innervation

Obturator n. (L2, L3, L4)

Quadratus femoris - Actioon

Laterally rotates thigh

Quadratus femoris - Innervation

Sacral plexus

Biceps femoris - innervation

Long head: tibial portion of sciatic nerve

short head: common fibular portion of sciatic nerve

Semitendinosus - Innervation

Tibial portion of sciatic nerve

Semimembranosus - Innervation

Tibial portion of sciatic nerve

Adductor magnus - Action

Adducts thigh at the hip joint, assists in extension of thigh (hamstring part!)

Adductor magnus - Innervation

Obturator n. (L2, L3, L4) and tibial portion of sciatic n.