Lower Limb Flashcards
What is the A attachment of gluteus maximus?
Posterior superior ilium, sacrum, coccyx, sacrotuberous ligament
What is the B attachment of gluteus maximus?
Gluteal tuberosity, iliotibial tract
What is the innervation of gluteus maximus?
Inferior gluteal nerve
What is the action of gluteus maximus?
Power extension, lateral rotation of hip
What is the A attachment of gluteus medius?
Between anterior and posterior gluteal lines
What is the B attachment of gluteus medius?
Lateral greater trochanter
What is the innervation of gluteus medius?
Superior gluteal nerve
What is the action of gluteus medius?
Abduction, medial rotation of hip
What is the A attachment of gluteus minimus?
Between anterior and inferior gluteal lines
What is the B attachment of gluteus minimus?
Anterior greater trochanter
What is the innervation of gluteus minimus?
Superior gluteal nerve
What is the action of gluteus minimus?
Abduction, medial rotation of hip
What is the A attachment of tensor fascia latae?
Iliac crest
What is the B attachment of tensor fascia latae?
Iliotibial tract (to lateral condyle of tibia)
What is the innervation of tensor fascia latae?
Superior gluteal nerve
What is the action of tensor fascia latae?
Flexion, medial rotation, abduction of hip
What is the A attachment of the piriformis?
Anterior sacrum
What is the B attachment of the piriformis?
Posterior greater trochanter
What is the innervation of the piriformis?
S1-S2
What is the action of the piriformis?
Hip lateral rotation, abduction
What is the A attachment of the quadratus femoris?
Body of ischium, ischial tuberosity
What is the B attachment of the quadratus femoris?
Intertrochanteric crest
What is the innervation of the quadratus femoris?
L5 - S1
What is the action of the quadratus femoris?
Hip lateral rotation
What is the A attachment of the obturator internus?
Posterior obturator membrane
What is the B attachment of the obturator internus?
Medial greater trochanter
What is the innervation of the obturator internus?
L5 - S1
What is the action of the the obturator internus?
Lateral rotation, hip abduction
What is the A attachment of the gemelli?
Lesser sciatic notch, ischial spine and tuberosity
What is the B attachment of the gemelli?
Obturator internus tendon
What is the innervation of the gemelli?
L5 - S1
What is the action of the gemelli?
Lateral rotation, hip abduction
What is the A attachment of psoas major?
T12 - L5 Vertebrae
What is the B attachment of psoas major?
Lesser trochanter
What is the innervation of psoas major?
L2 - L3
What is the action of psoas major?
Hip Flexion
What is the A attachment of the iliacus?
Iliac fossa
What is the B attachment of the iliacus?
Lesser trochanter
What is the innervation of the iliacus?
Femoral nerve
What is the action of the iliacus?
Hip Flexion
What is the A attachment of the vastus lateralis?
Linea aspera of femur
What is the B attachment of the vastus lateralis?
Patella, tibial tuberosity
What is the innervation of the vastus lateralis?
Femoral nerve
What is the action of the vastus lateralis?
Knee extension
What is the A attachment of the vastus intermedius?
Anterior body of femur
What is the B attachment of the vastus intermedius?
Patella, tibial tuberosity
What is the innervation of the vastus intermedius?
Femoral nerve
What is the action of the vastus intermedius?
Knee extension
What is the A attachment of the vastus medialis?
Linea aspera of the femur
What is the B attachment of the vastus medialis?
Patella, tibial tuberosity
What is the innervation of the vastus medialis?
Femoral nerve
What is the action of the vastus medialis?
Knee extension
What is the A attachment of the rectus femoris?
Anterior inferior iliac spine
What is the B attachment of the rectus femoris?
Patella, tibial tuberosity
What is the innervation of the rectus femoris?
Femoral nerve
What is the action of the rectus femoris?
Hip Flexion, knee extension
What is the A attachment of the sartorius?
Anterior superior iliac spine
What is the B attachment of the sartorius?
Medial proximal tibia
What is the innervation of the sartorius?
Femoral nerve
What is the action of the sartorius?
Hip abduction and flexion, knee flexion
What is the A attachment of the adductor magnus?
Inferior pubic ramus, ischial tuberosity
What is the B attachment of the adductor magnus?
Linea aspera, adductor tubercle of femur
What is the innervation of the adductor magnus?
Obturator nerve, sciatic nerve (tibial portion)
What is the action of the adductor magnus?
Hip adduction, extension, flexion
What is the A attachment of the adductor longus?
Body of pubis
What is the B attachment of the adductor longus?
Linea aspera of the femur
What is the innervation of the adductor longus?
Obturator nerve
What is the action of the adductor longus?
Hip adduction, flexion
What is the A attachment of the adductor brevis?
Inferior pubic ramus
What is the B attachment of the adductor brevis?
Proximal linea aspera
What is the innervation of the adductor brevis?
Obturator nerve
What is the action of the adductor brevis?
Hip adduction, flexion
What is the A attachment of the pectineus?
Superior pubic ramus
What is the B attachment of the pectineus?
Pectineal line of the femur
What is the innervation of of the pectineus?
Obturator nerve, femoral nerve
What is the action of the pectineus?
Hip adduction, flexion
What is the A attachment of the gracilis?
Inferior pubic ramus
What is the B attachment of the gracilis?
Medial proximal tibia
What is the innervation of the gracilis?
Obturator nerve
What is the action of the gracilis?
Hip adduction and flexion, knee flexion
What is the A attachment of the long head of biceps femoris?
Ischial tuberosity
What is the B attachment of the long head of biceps femoris?
Head of fibula
What is the innervation of the long head of biceps femoris?
Tibial division of sciatic nerve
What is the action of the long head of biceps femoris?
Hip extension, knee flexion
What is the A attachment of the short head of biceps femoris?
Distal linea aspera
What is the B attachment of the short head of biceps femoris?
Head of fibula
What is the innervation of the short head of biceps femoris?
Fibular division of sciatic nerve
What is the action of the short head of biceps femoris?
Knee flexion
What is the A attachment of the semimembranosus?
Ischial tuberosity
What is the B attachment of the semimembranosus?
Medial condyle of tibia
What is the innervation of the semimembranosus?
Tibial division of sciatic nerve
What is the action of the semimembranosus?
Hip extension, knee flexion
What is the A attachment of the semitendinosus?
Ischial tuberosity
What is the B attachment of the semitendinosus?
Proximal medial tibia
What is the innervation of the semitendinosus?
Tibial division of sciatic nerve
What is the action of the semitendinosus?
Hip extension, knee flexion
What is the A attachment of fibularis longus?
Proximal 2/3 of fibula
What is the B attachment of fibularis longus?
Base of 1st metatarsal
What is the innervation of fibularis longus?
Superficial fibular nerve
What is the action of fibularis longus?
Eversion, plantar flexion, shifts weight from lateral to medial for “push off”
What is the A attachment of fibularis brevis?
Distal 2/3 of fibula
What is the B attachment of fibularis brevis?
Base of 5th metatarsal
What is the innervation of fibularis brevis?
Superficial fibular nerve
What is the action of fibularis brevis?
Eversion, plantar flexion
What is the A attachment of tibialis anterior?
Proximal 1/2 of lateral tibia
What is the B attachment of tibialis anterior?
1st metatarsal
What is the innervation of tibialis anterior?
Deep fibular nerve
What is the action of tibialis anterior?
Dorsiflexion, inversion
What is the A attachment of extensor hallucis longus?
Middle of fibula
What is the B attachment of extensor hallucis longus?
Distal phalanx of digit 1
What is the innervation of extensor hallucis longus?
Deep fibular nerve
What is the action of extensor hallucis longus?
Dorsiflexion, inversion, digit 1 extension
What is the A attachment of extensor digitorum longus?
Lateral tibial condyle, proximal 2/3 of fibula
What is the B attachment of extensor digitorum longus?
Middle and distal phalanges of digits 2-5
What is the innervation of extensor digitorum longus?
Deep fibular nerve
What is the action of extensor digitorum longus?
Dorsiflexion, eversion, digit 2-5 extension
What is the A attachment of fibularis tertius?
Distal 1/3 of fibula
What is the B attachment of fibularis tertius?
5th metatarsal
What is the innervation of fibularis tertius?
Deep fibular nerve
What is the action of fibularis tertius?
Eversion
What is the A attachment of gastrocnemius?
Epicondyles of femur
What is the B attachment of gastrocnemius?
Calcaneus via calcaneal tendon
What is the innervation of gastrocnemius?
Tibial nerve
What is the action of gastrocnemius?
Plantarflexion and knee flexion
What is the A attachment of plantaris?
Lateral epicondyle of femur
What is the B attachment of plantaris?
Calcaneus via calcaneal tendon
What is the innervation of plantaris?
Tibial nerve
What is the action of plantaris?
Knee flexion, plantarflexion
What is the A attachment of the soleus?
Soleal line of tibia
What is the B attachment of the soleus?
Calcaneus via calcaneal tendon
What is the innervation of the soleus?
Tibial nerve
What is the action of the soleus?
Plantarflexion
What is the A attachment of tibialis posterior?
Interosseous membrane, proximal 1/2 of tibia and fibula
What is the B attachment of tibialis posterior?
Navicular bone of tarus
What is the innervation of tibialis posterior?
Tibial nerve
What is the action of tibialis posterior?
Inversion, plantarflexion
What is the A attachment of flexor digitorum longus?
Proximal 1/2 of tibia
What is the B attachment of flexor digitorum longus?
Distal phalanges of digits 2-5
What is the innervation of flexor digitorum longus?
Tibial nerve
What is the action of flexor digitorum longus?
Inversion, plantarflexion, digits 2-5 flexion
What is the A attachment of flexor hallucis longus?
Distal 2/3 of fibula
What is the B attachment of flexor hallucis longus?
Distal phalanx of digit 1
What is the innervation of flexor hallucis longus?
Tibial nerve
What is the action of flexor hallucis longus?
Inversion, plantarflexion, digit 1 flexion
What is the A attachment of popliteus?
Lateral condyle of femur
What is the B attachment of popliteus?
Medial aspect of proximal tibia
What is the innervation of popliteus?
Tibial nerve
What is the action of popliteus?
Knee flexion, lateral rotation of femur
What is the A attachment of extensor digitorum brevis?
Dorsal surface of calcaneus
What is the B attachment of extensor digitorum brevis?
Tendon of extensor digitorum longus
What is the innervation of extensor digitorum brevis?
Deep fibular nerve
What is the action of extensor digitorum brevis?
Digits 2-4 extension
What is the A attachment of extensor hallucis brevis?
Dorsal surface of calcaneus
What is the B attachment of extensor hallucis brevis?
Proximal phalanx of digit 1
What is the innervation of extensor hallucis brevis?
Deep fibular nerve
What is the action of extensor hallucis brevis?
Digit 1 extension
What is the A attachment of abductor digiti minimi?
Calcaneal tuberosity
What is the B attachment of abductor digiti minimi?
Proximal phalanx of digit 5
What is the innervation of abductor digiti minimi?
Lateral plantar nerve
What is the action of abductor digiti minimi?
Abduction of digit 5
What is the A attachment of flexor digitorum brevis?
Calcaneal tuberosity
What is the B attachment of flexor digitorum brevis?
Middle phalanges of digits 2-5
What is the innervation of flexor digitorum brevis?
Medial plantar nerve
What is the action of flexor digitorum brevis?
Digits 2-5 flexion
What is the A attachment of flexor digiti minimi brevis?
Metatarsal of digit 5
What is the B attachment of flexor digiti minimi brevis?
Base of proximal phalanx of digit 5
What is the innervation of flexor digiti minimi brevis?
Plantar nerve
What is the action of flexor digiti minimi brevis?
Flexion of digit 5
What is the A attachment of abductor hallucis?
Calcaneal tuberosity
What is the B attachment of abductor hallucis?
Proximal phalanx of digit 1
What is the innervation of abductor hallucis?
Medial plantar nerve
What is the action of abductor hallucis?
Digit 1 abduction
What is the A attachment of quadratus plantae?
Calcaneal tuberosity
What is the B attachment of quadratus plantae?
Tendon of flexor digitorum longus
What is the innervation of quadratus plantae?
Lateral plantar nerve
What is the action of quadratus plantae?
Assists flexor digitorum longus in digits 2-5 flexion, digits 2-4 when ankle is plantarflexed
