UNIT 3 EXAM

rectus abdominis

external oblique

internal oblique

transversus abdominis

gluetus medius

gluteus maximus

gluteus minimus

piriformis

obturator internus

superior gemellus

inferior gemellus

quadratus femoris

Piriformis

Obturator internus

Superior gemellus

Inferior gemellus

Quadratus femoris

deep gluteal muscles

Laterally Rotate & Stabilize Hip Joint

deep gluteal muscles action

small motor branches of the sacral plexus

deep gluteal muscles innervation

Action: extend and laterally rotate hip joint (e.g., rising from sitting position, climbing stairs)

Innervation: inferior gluteal nerve (L5-S2)

gluteus maximus action and innervation

Action: abduct and medially rotate hip joint; keep pelvis level

Innervation: superior gluteal nerve

Gluteus medius and minimus action and innervation

Action: tense the fascia lata

Innervation: superior gluteal nerve

Tensor Fascia Latae (TFL) action and innervation

rectus femoris

vastus lateralis

vastus medialis

vastus intermedius

sartorius

gracilis

Pectineus

adductor magnus

adductor longus

adductor brevis

Semitendinosus

Semimembranosus

biceps femoris long head

biceps femoris short head

tibialis anterior

extensor hallucis longus

extensor digitorum longus

fibularis tertius

fibularis longus popliteus

fibularis brevis

Gastrocnemius

soleus

plantaris

popliteus

flexor digutorum longus

flexor hallucis longus

tibialis posterior

tibialis anterior

Extensor hallucis longus

Extensor digitorum longus

Fibularis tertius

anterior leg and foot muscles

deep fibular nerve

anterior compartment innervation

dorsiflex ankle joint and extend toes

anterior compartment action

dorsiflex ankle joint and invert foot

Tibialis anterior action

extend hallux (MTP & IP joints);

Extensor hallucis longus action

extend digits 2-5 (MTP, PIP, & DIP joints); dorsiflex ankle joint

Extensor digitorum longus action

dorsiflex ankle joint; evert foot

Fibularis tertius action

fibularis longus

fibularis brevis

muscles of the lateral leg compartment

evert foot and weakly plantarflex ankle joint

lateral leg compartment action rule

superficial fibular nerve

lateral leg compartment innervation rule

tibial nerve

posterior compartment of leg nerve innervation

plantarflex andkle joint anf flex toes

posterior compartment of leg action

gastrocnemius

soleus

plantaris

popliteus

flexor hallucis longus

flexor digitorum longus

tibialis posterior

posterior compartment of leg muscles

flex knee joint and plantarflex ankle joint

Gastrocnemius action

plantarflex ankle joint

soleus action

weakly flex knee joint and plantarflex ankle joint

Plantaris action

unlocks the knee from extended position

Popliteus action

flex digits 2-5 (MTP, PIP & DIP joints); plantarflex ankle joint

Flexor digitorum longus action

flex hallux (MTP & IP joints); weakly plantarflex ankle joint

Flexor hallucis longus action

plantarflex ankle joint; invert foot

tibialis posterior action

Extensor digitorum brevis

Extensor hallucis brevis

dorsal foot muscles

deep fibular nerve

dorsal foot muscle innervation

tibial nerve

plantar foot muscles innervation

Adduct digits 3-5

"pad"

Plantar Interossei

Abduct digits 2-4

"dab"

Dorsal Interossei

Abductor hallucis

Abductor digiti minimi

Flexor digitorum brevis

Tendon of flexor digitorum longus

Quadratus plantae

lumbricals

Flexor hallucis brevis

Adductor hallucis

Flexor digiti minimi brevis

ilium

anterior superior iliac spine (ASIS)

Posterior Superior Iliac Spine (PSIS)

iliac crest

iliac fossa

ischium

ischial tuberosity

ischial greater sciatic notch

ischial lesser sciatic notch

pubis

pubic rami

pubic symphasis

pubic arch

sacrum

femur

femur head

femur fovea capitis

femur greater trochanter

femur lesser trochanter

femur linea aspera

femur medial condyle