ANATOMY - Leg and Knee Flashcards
name the 4 muscles in the anterior compartment of the the leg
tibialis anterior
extensor digitorum longus
extensor hallucis longus
fibularis tertius
what is the role of the muscles in the anterior compartment of the leg?
dorsiflexion of the ankle
extensors of the toes
nerve supply of the anterior muscles of the leg
fibular nerve (L4,L5)
2 muscles of the lateral compartment of the leg
fibularis longus
fibularis brevis
what is the role of the muscles in the lateral compartment of the leg?
evert foot
weakly plantarflex ankle
2 groups in the posterior compartment of the leg
superficial and deep
3 muscles in the superficial group of the posterior compartment of the leg
gastrocnemius
soleus
plantaris
which posterior leg muscle fo 5-10% of us not have
plantaris
nerve supply of the lateral compartment of the leg
superficial fibular nerve (L5,S1,S2)
role of the superficial group of posterior leg muscles
plantar flexors of ankle
nerve supply of superficial group of posterior leg muscles
tibial nerve
4 muscles of deep group of posterior compartment of leg
popliteus
flexor hallucis longus
flexor digitorum longus
tibialis posterior
nerve supply of deep group of posterior leg muscles
tibial nerve
role of deep group of posterior leg muscles
flexors of toes and plantarflexors of ankle
what type of joint is the knee and what movement does this allow?
synovial hinge joint
flexion-extension
3 articulations of the knee joint
2 x femerotibial
1 x femeropatellar
what 3 sets of ligaments does the knee have?
extra capsular
intraarticular
menisci
what are the extra capsular ligaments?
lateral and medial collateral ligaments
what are the intra-articular ligaments?
anterior and posterior cruciate
what are the two menisci and what are they made of ?
medial and lateral
fibrocartilage
how do you test joint integrity?
anterior and posterior drawer signs
superolateral border of the popliteal fossa
biceps femoris
superomedial border of the popliteal fossa
semimembranous
inferior border of the popliteal fossa
gastrocnemius
roof of the popliteal fossa
popliteal fascia
contents of the popliteal fossa
fat
terminal small saphenous vein
popliteal vessels
tibial and common fibular nerves
calcaneal tendon aka
achilles tendon
which two muscles attach to the calcaneal tendon
gastrocnemius
soleus
what is the attachment of the calcaneal tendon
calcaneal tuberosity of the calcaneus
what reflex involves the calcaneal tendon
ankle jerk reflex
which nerves does ankle jerk test
S1 S2
normal result of ankle jerk
plantar flexion
what do the superficial lymphatics follow
saphenous vein
what do the deep lympathics follow
deep veins
where do superficial lymphatics drain?
superficial inguinal nodes
external iliac lymph nodes
-> common iliac -> lumbar lymphatics
where do deep lymphatics drain?
deep inguinal lymph nodes
external iliac lymph nodes
-> common iliac -> lumbar lymphatics