MSK Anatomy Must Knows Flashcards
Gluteal Region Compartments
Superficial and Deep
Superficial gluteal muscles
- gluteus maximus
- gluteus minimus
- gluteus medius
- tensor fascia latae
Superficial gluteal muscles innervation
- gluteus maximus = inferior gluteal nerve
- gluteus minimus = Superior gluteal nerve
- gluteus medius
- tensor fascia latae
Deep gluteal muscles
- piriformis
- gemelli
- obturator internus
- quadratus femoris
Deep gluteal muscles innervation
anterior rami from sacral plexus
- piriformis
- gemelli
- obturator internus
- quadratus femoris
Leg compartments
lateral, anterior, posterior
Anterior leg muscles
- tibialis anterior
- extensor digitorum longus
- extensor hallicus longus
- fibularis teritus
Anterior leg muscles innervation
- Deep fibular nerve (L4,5)
- tibialis anterior
- extensor digitorum longus
- extensor hallicus longus
- fibularis teritus
Thigh compartments
Anterior, Medial, Posterior
Anterior thigh muscles
- sartorius
- pectinus
- ilopsoas (psoas major + iliacus)
- Quadriceps Femoris (vastus lateralis, medialis, intermidius and rectus femoris)
Anterior thigh muscles innervation
Femoral Nerve (L2,3,4)
- sartorius
- pectinus
- ilopsoas (psoas major + iliacus)
- Quadriceps Femoris (vastus lateralis, medialis, intermidius and rectus femoris)
Medial thigh muscles
- adductor longus
- adductor brevis
- adductor magnus
- gracilis
- obturator externus
Medial thigh muscles innervation
Obturator nerve (L2,3,4)
except hamstring part of adductor magnus = tibial nerve
- adductor longus
- adductor brevis
- adductor magnus
- gracilis
- obturator externus
Posterior thigh muscles
- semitendinous
- semimebranous
- biceps femoris
Posterior thigh innervation
Tibial division of sciatic nerve (L5,S1, S2)
- semitendinous
- semimebranous
- biceps femoris
Lateral leg muscles
- fibularis longus
- fibularis brevis
lateral leg muscle innervation
Superficial fibular nerve (L5,S1,S2)
- fibularis longus
- fibularis brevis
Posterior leg muscles
Superficial
- gastocnemius
- soleus
- plantaris
Deep
- popliteus
- flexor hallicus longus
- flexor digitorum longus
- tibialis posterior
Posterior leg muscles innervation
tibial nerve (S1,S2)
Superficial
- gastocnemius
- soleus
- plantaris
Deep
- popliteus
- flexor hallicus longus
- flexor digitorum longus
- tibialis posterior
Arm Compartments
Anterior and Posterior
Anterior arm muscles
- biceps brachii
- brachialis
- coracobrachialis
Anterior arm muscles innervation
musculocutaneous nerve
- biceps brachii
- brachialis
- coracobrachialis