Week 8 anatomy quiz

anterior compartment of the leg is used in what movement(s)

dorsiflexion, inversion of ankle at subtalar joint, and extension of toes

what innervates the anterior compartment of the leg

deep fibular nerve

what does the deep fibular nerve branch from

common fibular nerve

what is the artery supply of the anterior compartment of the leg

anterior tibial artery

what is the superiolateral border of the popliteal fossa

biceps femoris

what is the superior medial border of the popliteal fossa?

semitendinosus and semimembranosus muscles

what is the inferiolateral border off the popliteal fossa

lateral head of gastrocnemius

what is the inferiomedial border of the popliteal fossa

medial head of the gastrocnemius

roof of the popliteal fossa?

popliteal fascia

what nerve(s) are in the popliteal fossa

common fibular, tibial, posterior cutaneous nerve of the thigh

what artery and vein are in the popliteal fossa?`

popliteal vein and artery

what does the tibial nerve divide into

medial sural nerve

what does the common fibular nerve branch into

deep fibular, sural communicating, superficial fibular

what nerve ends at the popliteal fossa

posterior cutaneous nerve of the thigh

what does the popliteal artery end as

anterior and posterior tibial artery

what anastomosis with the superior lateral genicular a

descending lateral femoral circumflex artery

what anastomoses with the superior medial genicular a

descending genicular

what anastomosis with the middle genicular artery

4th perforating artery

what anastomosis with the inferior lateral genicular artery

anterior tibial recurrent artery

where does popliteal vein start?

at the distal border of the popliteus

where does the popliteal vein end?

at the femoral vein as it passes through the adductor hiatus

what muscle extends the great toe?

extensor hallucis longus

What extends the lateral 4 toes?

extensor digitorum longus

what dorsiflexes the ankle and inverts the subtalar joint

tibialis anterior

what innervates the flip flop part of toes?

deep fibular nerve

what dorsiflexes ankle and everts subtalar joint

fibularis tertius

what does the lateral compartment of the leg receive blood supply from

perforating branches of anterior tibial artery and fibular artery

what muscle(s) are innervated by superficial nerve

fibularis longus and breves

what is the main action of the posterior leg compartment?

plantarflexion

what innervates the posterior leg?

tibial nerve

what is the posterior leg supplied by?

tibial and fibular arteries

where is the flexor retinaculum located?

between medial malleolus and calcaneus

what is considered the most powerful tendon in the body

calcaneal tendon

what artery is held down by the flexor retinaculum

posterior tibial artery

in what position is the gastrocnemius activated

when knee is extended

saphenous nerve origin and distribution

femoral, skin on medial side of ankle and foot

sural nerve origin and distribution

tibial and common fibular nerve, supplied the skin on the posterior and lateral leg and foot

tibial nerve origin and distribution

sciatic, supplies the posterior leg muscles and the knee joint

common fibular nerve origin and distribution

sciatic, supplies the skin on the lateral posterior leg via sural, knee joint via articular branch

superficial fibular nerve origin and distribution

common fibular nerve, supplies fibularis longus and brevis, supplies skin on distal 1/3 on anterior leg, and dorsal of foot

deep fibular nerve origin and distribution

common fibula nerve, supplies the anterior leg muscles, supplies skin between 1st and 2rd toes.

what is the origin of dorsals pedis artery

anterior tibial artery

what is the continuation of the popliteal artery

anterior and posterior tibial artery

popliteal aneurysm

abnormal dilation off all or part of the popliteal artery

compartment syndrome

infection of a compartment causes an increase in intracompartmental pressure

shin splints

tibialis anterior sprain

footdrop

injury in the common fibular nerve

hindfoot

talus and the calcaneus

midfoot

navicular, cuboid, and cuniforms

forefoot

metatarsals and phalanges

what part of the foot is considered thinner and less sensitive

dorsum

what part of the foot is more susceptible to edema

dorsum

what is continuous with inferior extensor retinaculum

dorsal deep fascia

what form the plantar aponeurosis

plantar fascia on the sole of the foot

what muscle extends toes 2-4

extensor digitorum brevis

what muscle extends the great toe?

extensor hallucus brevis

What abducts and flexes the first toe?

abductor hallucis

that flexes lateral 4 toes?

extensor digitorum

what is the action of the abductor digit minimi

abducts and flexes little toe

what assists the flexor digitorum longus in flexing lateral 4 toes

Quadratus plantae

what flexes the pip joint

lumbricals of the foot

flexor hallucis brevis action

flexes the pip joint of the 1st toe

Adductor hallucis action?

adducts 1st toe and maintains transverse arch of foot

medial plantar nerve origin and cutaneous innervation

tibial nerve, supplies skin on medial sole of foot and sides of toes 1-3

muscles that medial plantar nerve innervates

abductor hallucis, flexor digitorum brevis, and 1st lumbrical

origin of lateral plantar nerve and cutaneous innervation

tibial nerve, supplies skin on lateral sole of foot

what are the muscles that are innervated by lateral plantar nerve

quadrates plantae, abductor digiti minimi brevis, lateral 3 lumbricals, adductor hallicus and plantar and dorsal interossei muscles

origin and cutaneous innervation of calcaneal branches

tibial and sural nerves, skin of heel

what nerve innervates each space

1: saphenous nerve

2: superficial fibular nerve

3: deep fibular nerve

6: lateral cutaneous nerve of the foot

what nerve innervates each space

1:saphenous nerve

4: medial plantar nerve

5: lateral plantar nerve

6: lateral cutaneous nerve of the foot

7: medial calcaneal branch

What forms deep plantar arch

deep plantar and lateral plantar artery

what does lateral tarsal artery anastomose with

arcuate artery

what does arcuate artery anastomose with

lateral tarsal artery

dorsalis pedis artery comes from

anterior tibial artery

medial and lateral arteries branch from

posterior tibial artery

what veins in the foot are unaccompanied by arteries?

superficial veins of the foot

plantar fasciitis

inflammation to plantar fascia