-
Quadratus Lumborum
PA: med 1/2 of inf border of 12th rib, lumbar TPs
DA: iliolumb lig, internal lip of iliac crest
Ant branch T12, L1-L4
Ext, lat flex vert colum, fix 12th rib
-
Iliacus
PA: sup iliac fossa, sacroiliac ligs
DA: lesser troch to psoas major tendon
Femoral n (l2-l4)
Flex thigh, stabilize hip
-
Psoas Major
PA: TPs of lumb, sides of bodies T12-L5
DA: Strong tendon to lesser troch
Ant Rami L1, L2, L3
Flex thigh, lat flex vert column, balance trunk
-
Levator ani
PA: body of pubis, ischial spine
DA: perineal body, coccyx, rectum
N to levator ani
Most of pelv diaphragm, support viscera, resist intra-ab pressure
-
Coccygeus
PA: ischial spine
DA: inf end of sacrum & coccyx
Branches S4, S5
Small part of pelv diaphragm to support viscera, flex coccyx
-
Glut Max
PA: ilium post to post gluteal line, dorsal surface of sacrum & coccyx
DA: IT band --> Gerdys tubercle
Inferior gluteal n (L5-S2)
Ext thigh especially when flexed, ER, steadies thigh
-
Glut Med
PA: ext surface of ilium btwn ant & post gluteal lines
DA: lat surface of g. troch
Superior gluteal N (L5, S1)
Abduct, IR, keep pelvis level while ipsilat leg WB
-
Glut Min
PA: ext surface of ilium btwn ant & inf gluteal lines
DA: ant surface of g troch
Superior Gluteal n (l5, s1)
Abduct, IR, keep pelvis level
-
tensor fascia lata
PA: ASIS, ant iliac crest
DA: IT band --> gerdys tubercle
Superior Gluteal N (L5, s1)
Abduct, IR, keep pelv level
-
Superior & Inferior Gemellus
- PA: sup- ischial spine
- inf- ischial tuberosity
DA: medial surface of g troch
- Sup- Nerve to obturator internus (L5-s2)
- Inf- Nerve to quadratus femoris (L4-S1)
Laterally rotate extended thigh, ABDUCT flexed thigh
-
Obturator internus
PA: pelv surface of obturator membrane
DA: Med surface of g. troch
Nerve to obturator internus
Lat rotate extended thigh, abduct flexed thigh
-
Obturator externus
PA: post to pectineus
DA: trochanteric fossa
Obturator n (l3,l4)
Lat rotate, steady head
-
Quadratus femoris
PA: lat border of ischial tuberosity
DA: quadrate tubercle on intertroch crest
N to quad fem (l4-s1)
Lat rotate thigh, steady head
-
Piriformis
PA: ant surface of sacrum
DA: sup border of g troch
Branches ant rami S1,s2
Lat rotate extended thigh, ABDUCT flexed thigh, steady head
-
Pectineus
PA: sup ramus of pubis (pectineal line)
DA: pectineal line of femur
Femoral n L2, L3
Adduct, flex thigh, IR
-
Sartorius
PA: ASIS
DA: sup border of medial surface of tib (pes anserine)
Femoral N L2, L3
Flex, Abd, Ext Rot, Flex knee (4 dog shit)
-
Rectus Femoris
PA: AIIS
DA: Quad tendon
Femoral n L2, L3, L4
- Extend leg at knee
- ** also flex thigh
-
Vastus lateralis
PA: lat lip of linea aspera
DA: Quad tendon
Femoral n L2, L3, L4
Extend leg at knee
-
Vastus medialis
PA: intertroch line, med lip of linea aspera
DA: Quad tendon
Femoral n L2, L3, L4
Extend leg at knee
-
Vastus Intermedius
PA: ant & lat surface of femur shaft
DA: Quad tendon
Femoral n L2, L3, L4
Extend leg at knee
-
Adductor longus
PA: Body of pubis inferior to pubic crest
DA: middle linea aspera
Obturator n (l2, l3, l4)
Adduct thigh
-
Adductor Brevis
PA: body & inf ramus of pubis
DA: pectineal line & proximal part of linea aspera
Obturator n L2, l3, l4
Adducts thigh, helps w/ flexion
-
Adductor Magnus
- PA: add-inf ramus of pubis, ramus of ischium
- hammy- ischial tuberosity
- DA: add-gluteal tub, linea aspera
- hammy-add tubercle of femur
- Add: obturator n- l2, l3, l4
- Hammy: tibial part of sciatic n (l4)
- both adduct
- add- flex thigh
- hammy- ext thigh
-
gracilis
PA: body & inf ramus of pubis
DA: Sup part of medial surface of tibia (pes anserine)
Obturator n (l2, l3)
Adduct thigh, flex leg, helps IR
-
Semitendinosus
PA: ischial tub
DA: pes anserine
Tibial part of sciatic n (L5, s1, s2)
Ext thigh, flex leg, also IR when flexed
-
Semimembranosus
PA: Ischial tuberosity
DA: post part of medial condyle of tibia
Tibial part of sciatic n (L5, s1, s2)
Ext thigh, flex leg, also IR when flexed (SAME AS SEMITEND)
-
Biceps Femoris
- PA: longhead- ischial tub
- shorthead-linea aspera
DA: lat side of head of fibula
- Long-tibial part of sciatic n
- short-common fib of sciatic
Flex leg, ER when flexed, extend thigh
-
Tibialis Anterior
PA: lat tibial condyle, sup lat tibia, interosseous membrane
DA: medial surface of med. cuneiform, base 1st MT
Deep Fibular n (l4,l5)
Dorsiflex, Inversion
-
Extensor Digitorum Longus
PA: lat tibial condyle, superior anterior surface of fibula, IO membrane
DA: mid & distal phalynx 2-5
Deep Fibular n (l4,l5)
- Extends 4 toes (DIP, PIP, MTP)
- Dorsiflex
-
Extensor Hallicus Longus
PA: middle ant surface of fibula, IO membrane
DA: distal phalynx great toe
Deep fibular n (l4,l5)
- Dorsiflex
- Ext IP, MTP of big toe
-
Fibularis (peroneus) Tertius - not everyone has
PA: distal ant surface of fibula
DA: base to shaft 5th MT
Deep fibular n (L5,S1)
Dorsiflex, EVersion
-
Fibularis (peroneus) Longus
PA: head & sup lateral fibula
DA: medial cuneiform & base of 1st MT (same as tib ant but on inside)
Superficial fibular (l5, s1, s2)
Plantarflex, Eversion--- antagonist to tib ant
-
Fibularis (peroneus) Brevis
PA: lower lateral fibula
DA: tuberosity of 5th MT
Superficial fibular (L5,s1)
Plantarflex, Eversion (same as fib longus)
-
Gastrocnemius
- PA: lat head- lat aspect of lat condyle of femur
- med head- popliteal surface of femur, sup to medial condyle
DA: post surface of calcaneous via calcaneal tendon
Tibial n (s1,s2)
Plantarflex when knee ext, flexes leg @ knee
-
Soleus
PA: post aspect of head & sup post surface of fibula ; soleal line & medial border tibia
- DA:post surface of calcaneous via calcaneal tendon
- * same as gastroc & plantaris
tibial n s1,s2
Plantarflex (independent of knee)
-
Plantaris
PA: inf end of lat supracondylar line of femur; oblique popliteal lig
- DA: post surface of calcaneous via calcaneal tendon
- *** same as gastroc & soleus
Tibial n s1, s2
Weakly assist gastroc
-
Popliteus
PA: lat condyle of femur, lat meniscus
DA: post surface of tibia, above soleal line
tibial n (l4-s1)
Weakly flex knee, IR
-
Tibialis Posterior
PA: IO membrane, posteromed fibula, posterolat tibia
DA: tuborosity of navicular, cuboid, cuneiforms, MT 2-4
Tibial n (l4,l5)
Plantarflex, INversion
|
|