Muscles for dayz Flashcards
fibularis longus
LATERAL COMPARTMENT OF LEG-N=fibular nerve
O: shaft of fibula
I: medial cuneiform
A: prime mover for eversion
gastrocnemius
POST. LEG COMPARTMET-N=tibial nerve
O: medial and lateral fibular condyles
I: calcaneus through tendon
A: prime mover for plantar flexion
soleus
POST Leg compartment, deep to gastroc: N=tibial nerve
O: post tibia and fibula
I: calcaneus through tendon
A: prime mover for plantar flexion
tibialis posterior
POST leg compartment-N=tibial nerve
O: post tibia and fibula
I: all tarsal bones but talus
A: plantar flexion, maintaining arches
tibialis anterior
ANT leg compartment-N=deep fibular (from sciatic)
O: lateral condyle of tibia
I: medial cuneiform and 1st metacarpal
A: prime mover for eversion, dorsiflexion
extensor digitorum longus
ANT leg compartment-N=deep fibular
O: shaft of fibula
I: tendon of toes
A: prime mover for extension of ankle and toes
biceps femoris
POST THIGH COMPARTMENT-N=sciatic nerve
O: ischial tuberosity and shaft of femur
I: head of fibula and lateral condyle of fibula
A: flexion of knee
adductor longus
MEDIAL THIGH COMPARTMENT-N=obturator
O: pubic bone
I: linea aspera
A: adduction of hip
adductor magnus
MEDIAL THIGH COMPARTMENT-N=obturator AND sciatic nerves
O: ichiopubic ramus, ischial tuberosity
I: adductor tubricle and linea aspera
A: prime adductor + hip extension
quadriceps
ANT THIGH compartment-N=femoral nerve (from lumbar plexus)
O: shaft of femur and hip bone
I: directly to patella and indirectly to tibial tuberosity through patellar ligament
A: prime mover for extension of knee + flexion
sartorius
ANT thigh-N=femoral
O: ASIS
I: medial tibia
A: flexion of hip and knee, lat. rotation
gluteus maximus
N: inferior gluteal nerve (from sacral plexus)
O: iliac crest, lat. hip bone
I: proximal femur
A: prime mover for hip extension + lat. rotation
gluteus madius
N: superior gluteal nerve
O: lateral hip bone
I: greater trochanter
A: prime mover for hip abduction
gluteus medius
N: superior gluteal nerve
O: lateral hip bone
I: greater trochanter
A: flexion, abduction
piraformis
deep gluteal layer-N=sacral plexus (direct branch)
O: anterior sacrum
I: greater trochanter
A: lat. rotation
transitional areas
axilla, cubital fossa, carpal tunnel
femoral triangle, popliteal fossa (post to knee), tarsal tunnel (post to medial malleolus)
central hand muscles
(inc. lumbricals) O: tendon of flexor digitorum profundis I: distal phalanges A: flexion N: ulnar or median nerve
deep hand muscles
palmar interossei (add) and dorsal interossei (abd)
O: metacarpals
I: distal phalanges
N: ulnar
hypothenar muscles
(base of pinky finger) O: carpal bones I: 5th metacarpal and prox phalanx A: abd, flexion, opposition N: ulnar nerve
thenar muscles
(base of thumb) O: carpal bones I: 1st metacarpal and prox phalanx A: abd, flexion, opposition N: median nerve
supraspinatus
O: supraspinous fossa
I: greater tubricle
A: prime mover for 1st 30 degrees of abduction
N: branch of brachial plexus
infraspinatus
O: infraspinous fossa
I: greater tubricle
A: lateral rotation
N: branch of brachial plexus
subscapularis
O: subscapular fossa
I: lesser tubricle
A: prime mover for medial rotation
N: branch of brachial plexus
deltoid
O: clavicle, acromion, spine of scapula
I: deltoid tuberosity
A: prime mover for abduction (30-90 degrees)
N: axillary nerve
deep gluteal
piraformis
-lat. rotation
N=sacral plexus direct branch
gluteal region
gluteus maximus-prime hip extender and lat rotation
N=inf gluteal
gluteus madius-prime abductor N=sup gluteal
gluteus minimus
flexion, abduction
anterior thigh
FEMORAL nerve
quadriceps-prime mover for knee ext.
sartorious-flexion of hip and knee and lat rotation
medial thigh
OBTURATOR
adductor longus and magnus (prime mover)
magnus +extension and sciatic nerve
posterior thigh
SCIATIC nerve
biceps femoris-flexion of knee
anterior leg
DEEP FIBULAR nerve
tibialis anterior-prime inverter, dorsiflexion
extensor digitorum longus, prime extender of ankle and toes
posterior leg
TIBIAL nerve
gastrocnemius-plantar flexion
soleus-plantar flexion
tibialis posterior-plantar flexion and maintaining arches
