Details Title: 3. Lower Extremity Description: Origins, fxn, insertions, innervation Total Flash Cards: 50 Created: 09/16/2009 02:51:18		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Anatomy Flashcards
Cards in this set: Term Illiacus Definition O:illiac Fossa. I: Lessor Trochanter. Action: Hip Flexion. Nerve: Femoral Nerve. Term Gluteus Maximus Definition O: Illia-sacrum-coccyx. I: gluteal tubersosity on femur- iliotibial tract. act: Hip extention. Nerve: Inverior Gluteal nerve. Term Gluteus Medius Definition O: Illiac Crest-outer surface of illium. I: greater trochanter of femur. Action: Hip aBduction. N: Superior gluteal nerve. Term Gluteus Minimus Definition O: Outer surface of illium. I: greater trochanter. A:Hip ABduction. N: Superior glueteal nerve. Term Tensor facsiae latae Definition O: Anterior of illiac crest. I: into IT band(gerdys tubricle). A: ABduction/Flexion. N Superior Gluteal Nerve. Term Piriformis Definition O: Anterior Sacrum . I: Greater Trochanter. A: Hip external Rotation. N: Nerve to Piriformis. Term Oburator internus adn Externus Definition O: obterator foramen. I: greater trochanter. A: external rotaion of Hip. N: obterator nerve. Term superior/inferior Gemelli Definition O:iscial spine tuberosity I:greater trochanter A:external rotaion at teh hip N: nerve to the Quadratus Femoris Term Quadratus Femoris Definition O: intertrochanter crest. I A:external rotation. N:Nerve to the Quadratus Femoris. Term Sartorius Definition O:ASIS. I:Medial Tibial Condyle. A: Flex Hip and Knee. N: Femoral. Term What are the 4 muscles in the Quadratus Femoris and what nerve innervates them Definition 1. Rectus Femoris. 2. Vastus Lateralis. 3. Vastus Medialis. 4. Vastus intermeius. N: Femoral. Term Restus Femoris Definition O: AIIS. I: platella/tibial tuberosity. A Flex Hip. Extend knee. Term Vatus Lateralis Definition O:lateral lipf of the linea aspera. I: platella-->tibial tuberosity. A: extends knee. Term Vastus Medialis Definition O: linea aspera(medial). I: tibial tuberosity. A:extends knee. Term Vastus intermedius Definition O: Anterior Femur. I: Platella/tibial tuberosity. A: extention of knee. Term What muscles make up the medial compartment of the thigh (5) Definition 1. Pectineus. 2. Gracilis. 3. Adductor Longus. 4. Adductor Brevis. 5. Adductor magnus. Term Pectineus Definition O: I: Femur. A: aDduction. N: Femoral. Term Gracilis Definition O:inferior ramus of Pubic bone. I: medial condyl of tibia. A: aDduct Hip-Flex Knee. N: Obturator. Term Adductor Longus/Brevis Definition O:Inferior ramus of pubis. I: Linea Aspera. A: ADduction. N: Obturator. Term ADductor Magnus Definition O:Ischial tuberosity. I:Linea Aspera-ADductor tubercle. N: Oberturator. Term What muscles crate teh posterior compartment of the hip? (3) Definition 1. Biceps femoris. 2. Semiteninosus. 3. Semimembinosus. Term Biceps Femoris Definition O(L):ishial tuberosity (S)linea aspera. I: Head of Fibula. A:extend hip*Flex knee. N:(L)tibial*(S)common parnial Term Semitendinosus Definition O: Ishial Tuberosity. I: Anterior surface of Medial tibial condyle. A: extend hip* Flex Knee. N: Tibial Nerve. Term Semimembranosus Definition O:ishial Tuberosity. I:Medial Tibial Condyle. A:Hip extend * Knee flex. N: Tibial nerve. Term What 3 muscles make up the anterior compartment of the leg Definition 1. Tibialis Anterior. 2. Extensor Digitorum Longus. 3. Extensor Hallucus Longus. Term Tibialis Anterior Definition Position: just superior to tibial. A:dorsal flexor* invertor. N:Deep Peroneal Nerve. Term Extensor Digitorum Longus Definition Pos: lateral to tibials anterior (I: toes 2-5). A: doriflextion* weak evertor *extends dig 2-5. N: Deep peraneal nerve. Term Extensor Hallucis Longus Definition Pos:deep/lateral to E.D.L (I: distal portion of toe. A: invertor of foor * extends toes. N:Deep Paraneal Nerve. Term What 3 muscles make up the lateral compartment of the leg Definition 1. Peroneus longus. 2. Peroneus Brevis. 3. Peroneus tertius. Term Peroneus Longus Definition O: head/ upper 1/3 of fibula. I:Base of 1st metatarsal bone. A: plantar flexion of ankle * eversion of foot. N: superficial paraneal Nerve. Term Peroneus Brevis Definition Deep to Peroneus Longus. O:lower 2/3 of Fibula. I:base or the 5th metatarsal. A: plantar flex * everter. Term Peroneus Terius Definition (weak sister) O:retinaculum. I: 5th metatarsal. A: everter. Term What 7 muscles make up the posterior compartment of the leg? what nerve innervates all of them Definition (3 superficial) 1. Gastrocnemius. 2. Soleus. 3. Plantaris. (4 deep) 4. popliteaus. 5. Flexor digitorum longus. 6. Flexor hallicus longus. 7. Tibialis posterior. Tibial Nerve. Term Gastrocnemius Definition O: I:Calcaneon tendon. A:plantar flexion * flexor of the knee N: Tibial nerve Term Soleus Definition O: fibula/tibia. I: plantaris calcucaneon tendon. A: plantar flexion. N:Tibial Nerve. Term Plantaris Definition I: Lateral FEmoral condyle. O:plantaris tendon(Joins with calcaneon). A: Knee Flexor * Weak plantar flexor. Term Popiteus Definition O: Lateral femoral condy. I: proximal tibia. A: Knee Flexor. N Tibial Nerve. Term Flexor Digitorum longus Definition Pos: tendon around meial maleoulus(dig 2-5). A: plantar flexor * flexes dig 2-5. N Tibial Nerve. Term Flexor Hallicus Longus Definition Pos:inserts into great toe-lateral. part of deep. A: plantar flexor. N: Tibial Nerve. Term Tibialis Posterior Definition Pos: Inbetween previous 2 muscles. A: plantar flexion * Inversion. N: Tibial Nerve. Term What muscles make up the 1st layer of the foot? Definition 1. Abductor Hallucis. 2. Flexor Digitorum Brevis. 3. Abductor Digiti minimi. Term ABductor Hallucis Definition Pos: metatrsal phalangel joint. A: ABductor. N: Medial Plantar nerve. Term Flexor digitorum Brevis Definition Pos: Medial. A: flexion. N: Medial Plantar Nerve. Term ABductor Digiti Minimi Definition Pos: most lateral. A: ABducts little toe. N: Lateral Plantar Nerve. Term What Muscle makes up the 2nd lay of the foot Definition 1. Quadratus plantae. 2. Lumbricales. Term Quadratus plantae Definition O:calcaneous tendon/ FDL. A: indirectly flexes dig 2-5. * if FDL is paralysed then this can flex digits slightly. Term Lumbricles Definition O: FDL. I interphalangeal joints. A: flexes metatarsals/extending interphalangels. N: medial plantar for 1st lumbrical * lateral plantar for all others. Term What muscles make up the 4th layer of the foot Definition 1. Dorsal interossei. 2. Plantar interossei. Term Dorsal interossei Definition A: aBduction dig 2-4 where 1&2 act on dig 2...3 on 3 ....and 4 on 4 Term Plantar Interossei Definition A: aDduct digits where it starts on teh 3rd digit ***second toe doesnt ADduct***