Lower limb Week 11 Flashcards
What are the bones of lower limbs
Hip (Sacrum, Coccyx), Femur, Patella, Tibia, Fibula, tarsals, metatarsals, phalanges
What are the muscles of the hip region
Psoas major
Psoas minor
Iliacus
Tensor Fascia Latae
Pectineus
What is the proximal attachment of psoas major
Lumbar vertebra
What is the distal attachment of psoas major
Lesser trochanter of femur
What is the nerve supply of psoas major
Lumber plexus L1-L4
What is the blood supply of psoas major
Iliolumbar artery
What is the action of psoas major
Flexes thigh at hip joint
What is the proximal attachment of psoas minor
Bodies & intervertebral discs T12-L5
What is the distal attachment of psoas minor
Pectineal line
What is the nerve supply of psoas minor
Spinal nerves L1
What is the blood supply of psoas minor
Iliolumbar artery
What is the action of psoas minor
Flexes thigh at hip joint
What is the proximal attachment of iliacus
iliac fossa
What is the distal attachment of iliacus
lesser trochanter of femur
What is the nerve supply of iliacus
Femoral nerve
What is the blood supply of iliacus
medial circumflex femoral artery
What is the action of iliacus
flexes thigh at hip joint
What is the proximal attachment of tensor fascia lata
anterior superior iliac spin
What is the distal attachment of tensor fascia lata
iliotibial tract
What is the nerve supply of tensor fascia lata
superior gluteal nerve
What is the blood supply of tensor fascia lata
lateral circumflex femoral artery & superior gluteal artery
What is the action of tensor fascia lata
abduction & internal rotation of thigh
What is the proximal attachment of pectineus
superior ramus of pubis
What is the distal attachment of pectineus
line between lesser trochanter of femur and linea aspera
What is the nerve supply of pectineus
femoral & obturator nerve
What is the blood supply of pectineus
medial circumflex femoral artery
What is the action of pectineus
adduction, flexion, medial rotation of thigh
What is the proximal attachment of Gluteus maximus
posterior surface of ilium, sacrum, coccyx
What is the distal attachment of Gluteus maximus
iliotibial tract & gluteal tuberosity
What is the nerve supply of Gluteus maximus
inferior gluteal nerve
What is the blood supply of Gluteus maximus
superior & inferior gluteal artery
What is the action of Gluteus maximus
abduction, extension & lateral rotation of hip
What is the proximal attachment of Gluteus medius
posterior surface of ilium
What is the distal attachment of Gluteus medius
lateral surface of greater trochanter
What is the nerve supply of Gluteus medius
superior gluteal nerve
What is the blood supply of Gluteus medius
superior & inferior gluteal artery
What is the action of Gluteus medius
abduction, flexion & medial rotation of thigh
What is the proximal attachment of Gluteus minimus
posterior surface of ilium but inferior to gluteus medius
What is the distal attachment of Gluteus minimus
anterior side of greater trochanter
What is the nerve supply of Gluteus minimus
superior gluteal nerve
What is the blood supply of Gluteus minimus
superior & inferior gluteal artery
What is the action of Gluteus minimus
abduction, flexion & medial rotation of thigh
What is the proximal attachment of piriformis
anterior surface of sacrum
What is the distal attachment of piriformis
greater trochanter of femur
What is the nerve supply of piriformis
sacral plexus L5 - S2
What is the blood supply of piriformis
superior & inferior gluteal artery
What is the action of piriformis
lateral rotation, abduction & extension of hip joint
What does the superior & inferior gluteal artery supply
gluteus maximus, medius, minimus and piriformis
What can be found at the femoral triangle
femoral vein, artery & nerve
what are the boundaries of the femoral triangle
superiorly - inguinal ligament
medially - adductor longus
laterally - sartorius
What is the proximal attachment of adductor longus
pubis
What is the distal attachment of adductor longus
middle 1/3 of linea aspera
What is the nerve supply of adductor longus
obturator nerve
What is the blood supply of adductor longus
deep femoral
What is the action of adductor longus
strong adductor of thigh & medial rotation
What is the proximal attachment of gracilis
pubis (inferior rami & body)
What is the distal attachment of gracilis
anterior medial aspect of proximal tibia
What is the nerve supply of gracilis
obturator nerve
What is the blood supply of gracilis
obturator artery
What is the action of gracilis
adduction of thigh at hip, flexion of leg at the knee
What is the proximal attachment of obturator externus
lateral surface of obturator membrane & ischiopubic ramus
What is the distal attachment of obturator externus
posterior part of greater trochanter
What is the nerve supply of obturator externus
obturator nerve
What is the blood supply of obturator externus
obturator artery
What is the action of obturator externus
adduction & lateral rotation of thigh
What is the proximal attachment of adductor part of adductor magnus
inferior rami of pubis & rami of ischium
What is the distal attachment of adductor part of adductor magnus
linea aspera of femur
What is the nerve supply of adductor part of adductor magnus
obturator nerve
What is the blood supply of adductor part of adductor magnus
deep femoral
What is the action of adductor magnus
adducts & flexes thigh with hamstring portion extending thigh
What is the proximal attachment of hamstring part of adductor magnus
ischial tuberosity
What is the distal attachment of hamstring part of adductor magnus
adductor tubercle & medial supracondylar line of femur
What is the nerve supply of hamstring part of adductor magnus
sciatic nerve
What is the blood supply of hamstring part of adductor magnus
deep femoral
what are the muscles involved in internal rotation
tensor fascia latae
gluteus medius
gluteus minimus
what are the muscles involved in external rotation
gluteus maximus
piriformis
bicep femoris (long head)
what are the muscles involved in abduction
“SPGG”
sartorius
piriformis
gluteus maximus
gluteus medius
what are the muscles involved in adduction
pectineus
adductor brevis
adductor longus
adductor magnus
gracilis
what are the muscles involved in flexion
psoas
iliacus
sartorius
rectus femoris
what are the muscles involved in extension
gluteus maximus
bicep femoris
semimembranosis
semitendinosis
what is the proximal attachment of bicep femoris
long head
- ischial tuberosity of ischium
short head
- linea aspera on posterior surface of femur
what is the distal attachment of bicep femoris
fibular head & lateral condyle of tibia
what is the nerve supply of bicep femoris
long head - tibial nerve
short head - common fibular nerve
what is the blood supply of bicep femoris
profunda femoris & inferior gluteal
what is the action of bicep femoris
flexion at knee
extends thigh at hip
laterally rotates at hip & knee
what is the proximal attachment of semitendinosus
ischial tuberosity
what is the distal attachment of semitendinosus
medial surface of tibia
what is the nerve supply of semitendinosus
tibial nerve
what is the blood supply of semitendinosus
profunda femoris & inferior gluteal
what is the action of semitendinosus
flex leg at knee joint
extends thigh at hip
medially rotates thigh at hip joint & leg at knee joint
what is the proximal attachment of semimembranosus
ischial tuberosity
what is the distal attachment of semimembranosus
medial condyle of tibia
what is the nerve supply of semimembranosus
tibial nerve
what is the blood supply of semimembranosus
profunda femoris & inferior gluteal
what is the action of semimembranosus
flexion & medial rotation of leg at knee joint
extension & medial rotation of thigh at hip joint
what is the proximal attachment of tibialis anterior
lateral surface of tibia & lateral tibial condyle
what is the distal attachment of tibialis anterior
medial cuneiform & base of 1st metatarsal
what is the nerve supply of tibialis anterior
deep fibular nerve
what is the blood supply of tibialis anterior
anterior tibial artery
what is the action of tibialis anterior
dorsiflexion & foot inversion
what is the proximal attachment of extensor digitorum longus
upper tibia & fibula
interosseous membrane
what is the distal attachment of extensor digitorum longus
tendon split into 4, each attaching to bases of 4 toes
what is the nerve supply of extensor digitorum longus
deep fibular nerve
what is the blood supply of extensor digitorum longus
anterior tibial artery
what is the action of extensor digitorum longus
extends digits 2-5 & dorsiflexion of foot
what is the proximal attachment of extensor hallucis longus
middle shaft of fibula
interosseous membrane
what is the distal attachment of extensor hallucis longus
base of distal phalanx of big toe
what is the nerve supply of extensor hallucis longus
deep fibular nerve
what is the blood supply of extensor hallucis longus
anterior tibial artery
what is the action of extensor hallucis longus
extension of big toe & dorsiflexion and inversion of foot
what is the proximal attachment of fibularis tertius
anterior surface of fibula & tibiofibular ligament
what is the distal attachment of fibularis tertius
base of metatarsal V
what is the nerve supply of fibularis tertius
deep fibular nerve
what is the blood supply of fibularis tertius
anterior tibial artery
what is the action of fibularis tertius
dorsiflexion and foot eversion
what is the proximal attachment of fibularis longus
head of fibula
lateral tibial condyle
what is the distal attachment of fibularis longus
medial cuneiform
base of 1st metatarsal
what is the nerve supply of fibularis longus
superficial fibular (peroneal) nerve
what is the blood supply of fibularis longus
fibular artery
what is the action of fibularis longus
plantarflexion & foot eversion
what is the proximal attachment of fibularis brevis
distal 2/3 of fibular shaft surface
what is the distal attachment of fibularis brevis
tuberosity of 5th metatarsal
what is the nerve supply of fibularis brevis
superficial fibular (peroneal) nerve
what is the blood supply of fibularis brevis
fibular artery
what is the action of fibularis brevis
plantarflexion & foot eversion
What muscles are innervated by deep fibular nerve
“FEET”
tibialis anterior
extensor digitorum longus
extensor hallucis longus
fibularis tertius
What muscles are supplied by anterior tibial artery
“FEET”
tibialis anterior
extensor digitorum longus
extensor hallucis longus
fibularis tertius
What muscles are innervated by superficial fibular (peroneal) nerve
fibularis longus
fibularis brevis
What muscles are supplied by fibular artery
fibularis longus
fibularis brevis
What muscles do plantarflexion & foot eversion
fibularis longus
fibularis brevis
what is the proximal attachment of gastrocnemius
lateral & medial heads attach to lateral & medial femoral condyles
what is the distal attachment of gastrocnemius
fuses w/ soleus muscle to form calcaneal tendon which inserts into calcaneus bone
what is the nerve supply of gastrocnemius
tibial nerve
what is the blood supply of gastrocnemius
sural artery & post tibial
what is the action of gastrocnemius
plantarflexes at ankle joint
what is the proximal attachment of plantaris
lateral supracondylar line of femur
what is the distal attachment of plantaris
calcaneal tendon inserts into calcaneus bone
what is the nerve supply of plantaris
tibial nerve
what is the blood supply of plantaris
sural artery
what is the action of plantaris
plantarflexes at ankle joint
what is the proximal attachment of soleus
soleal line of tibia
proximal fibular area
what is the distal attachment of soleus
calcaneal tendon inserts into calcaneus bone
what is the nerve supply of soleus
tibial nerve
what is the blood supply of soleus
sural artery & post tibial
what is the action of soleus
plantarflexes foot at ankle joint
what is the action of soleus
plantarflexes foot at ankle joint
what is the proximal attachment of fibularis longus
head of fibula & lateral tibial condyle
what is the distal attachment of fibularis longus
medial cuneiform & base of 1st metacarpal
what is the innervation of fibularis longus
superficial fibular (peroneal) nerve
what is the blood supply of fibularis longus
fibular artery
what is the action of fibularis longus
plantarflexion & foot eversion
what is the proximal attachment of fibularis brevis
distal 2/3s of fibular shaft surface
what is the distal attachment of fibularis brevis
tuberosity of 5th metatarsal
what is the innervation of fibularis brevis
superficial fibular (peroneal) nerve
what is the blood supply of fibularis brevis
fibular artery
what is the action of fibularis brevis
plantarflexion & foot eversion
what is the proximal attachment of fibularis tertius
anterior surface of fibula & tibiofibular ligament
what is the distal attachment of fibularis tertius
base of metacarpal V
what is the innervation of fibularis tertius
deep fibular nerve
what is the blood supply of fibularis tertius
anterior tibial artery
what is the action of fibularis tertius
dorsiflexion & foot eversion
what is the proximal attachment of extensor hallucis longus
middle shaft of fibula & interosseous membrane
what is the distal attachment of extensor hallucis longus
base of distal phalanx of great toe
what is the innervation of extensor hallucis longus
deep fibular nerve
what is the blood supply of extensor hallucis longus
anterior tibial artery
what is the action of extensor hallucis longus
big toe extension
dorsiflexion & inversion of foot
what is the proximal attachment of extensor digitorum longus
upper tibia & fibula
interosseous membrane
what is the distal attachment of extensor digitorum longus
tendon splits into 4 & attaches to bases of 4 toes
what is the innervation of extensor digitorum longus
deep fibular nerve
what is the blood supply of extensor digitorum longus
anterior tibial artery
what is the action of extensor digitorum longus
extends digits 2-5 & foot dorsiflexion
what is the proximal attachment of tibialis anterior
lateral surface of tibia & lateral tibial condyle
what is the distal attachment of tibialis anterior
medial cuneiform & base of 1st metatarsal
what is the innervation of tibialis anterior
deep fibular nerve
what is the blood supply of tibialis anterior
anterior tibial artery
what is the action of tibialis anterior
dorsiflexion & foot inversion
what is the proximal attachment of abductor hallucis
calcaneus tuberosity
plantar aponeurosis
what is the distal attachment of abductor hallucis
proximal phalanx of 1st toe
what is the innervation of abductor hallucis
medial / lateral plantar nerve
what is the blood supply of abductor hallucis
medial / lateral plantar artery
what is the action of abductor hallucis
abducts big toe
what is the proximal attachment of abductor digiti minimi
calcaneus tuberosity
plantar aponeurosis
what is the distal attachment of abductor digiti minimi
proximal phalanx of 5th toe
what is the innervation of abductor digiti minimi
medial / lateral plantar nerve
what is the blood supply of abductor digiti minimi
medial / lateral plantar artery
what is the action of abductor digiti minimi
abducts & flexes small toe
what is the proximal attachment of flexor digitorum brevis
medial tubercle of plantar calcaneus
plantar aponeurosis
what is the distal attachment of flexor digitorum brevis
medial & lateral sides of middle phalanges 2nd to 5th toes
what is the innervation of flexor digitorum brevis
medial / lateral plantar nerve
what is the blood supply of flexor digitorum brevis
medial / lateral plantar artery
what is the action of flexor digitorum brevis
flexes 2nd - 5th toes
what is the proximal attachment of lumbricals
from tendons of flexor digitorum longus
what is the distal attachment of lumbricals
proximal phalanx of 2nd - 4th toes
what is the innervation of lumbricals
medial / lateral plantar nerve
what is the blood supply of lumbricals
medial / lateral plantar artery
what is the action of lumbricals
flexes MCP joint
What are the ligaments of the knee joint
cruciate ligaments
menisci
tibial collateral ligament
patellar ligament
fibular collateral ligament
what are the ligaments of the ankle joint
medial & lateral ligaments
what is the proximal attachment of popliteus
lateral condyle of femur & lateral meniscus
what is the distal attachment of popliteus
just superior to soleal line on tibia
what is the nerve supply of popliteus
tibial nerve
what is the blood supply of popliteus
sural artery
what is the action of popliteus
laterally rotates femur on tibia
what is the proximal attachment of tibialis posterior
interosseous membrane between tibia & fibula
posterior surfaces of both bones
what is the distal attachment of tibialis posterior
navicular tuberosity
adjacent tarsal bones
base of metatarsals
what is the nerve supply of tibialis posterior
tibial nerve
what is the blood supply of tibialis posterior
posterior tibial artery
what is the action of tibialis posterior
inverts & plantarflexes foot
maintains medial arch of foot
what is the proximal attachment of flexor digitorum longus
medial surface of tibia
what is the distal attachment of flexor digitorum longus
divides into 4 parts attaching into bases of distal phalanges of 2nd - 5th toes
what is the nerve supply of flexor digitorum longus
tibial nerve
what is the blood supply of flexor digitorum longus
posterior tibial artery
what is the action of flexor digitorum longus
flexes lateral 4 toes
what is the proximal attachment of flexor hallucis longus
posterior surface of fibula
what is the distal attachment of flexor hallucis longus
base of distal phalanx of great toe
what is the nerve supply of flexor hallucis longus
tibial nerve
what is the blood supply of flexor hallucis longus
posterior tibial artery
fibular artery
what is the action of flexor hallucis longus
flexes great toe
what is the name of flat foot
pes planus
what is the name of high arch of foot
pes cavus
What are the continuations of common iliac artery
internal iliac > gluteal & obturator arteries
external iliac > femoral artery
What are the continuations of femoral artery
profunda femoris
circumflex femoral artery (branches from profunda femoris artery)
What are the continuations of popliteal artery
anterior tibial artery
posterior tibial artery
fibular (peroneal) artery
genicular branches
what is the branch from posterior tibial artery
fibular (peroneal) artery
what is the anterior tibial artery continue to become down to the toes
dorsalis pedis artery
when does femoral artery become popliteal artery
after passing through adductor hiatus to back of knee
what are the superficial veins
only 2 main veins (both formed from dorsal venous arch of foot and dorsal vein of big toe)
- small saphenous vein
- great saphenous vein
what veins drain into external iliac vein
3 femoral related veins: CPF
femoral vein, profunda femoris & circumflex femoral vein
what veins empty into internal iliac vein
superior & inferior gluteal veins
what are the nerves of the hip & thigh
femoral nerve
saphenous nerve
obturator nerve
what are the nerve of popliteal fossa
tibial nerve
common fibular nerve
what are the nerves of gluteal region
inferior & superior gluteal nerves
pudendal nerves
sciatic nerve
what are the nerves of the leg
tibial nerve
deep fibular nerve
superficial fibular nerve
sural nerve
what can be found at popliteal fossa
tibial nerve
popliteal vein & artery
what does sciatic nerve split to form
tibial nerve & common fibular nerve