LECOM ANATOMY EXAM 1
QUESTIONS AND ANSWERS
plantar fascitis - Correct Answers -The first step in the morning hurts the bottom of foot
the most
Ligaments of arch deep to superficial - Correct Answers -plantar aponeurosis, short and
long planar ligament, plantar calcaneal ligament (spring)
extensor hood of foot - Correct Answers -attachment for lumbricals and interossi,
extensor tendons pass through
intrinsic muscles of foot innervated by median plantar n - Correct Answers -abductor
hallicus, flexor digitorum brevis, flexor hallicus brevis, lumbrical 1 (branch of the tibial n)
intrinsic muscles of foot innervated by lateral plantar n - Correct Answers -abductor digiti
minimi, adductor hallicus, interossi, lumbricals 2-5
dorsal venous drainage of foot - Correct Answers -dorsal arch to greater (medial) and
lesser saphenous vein
cutaneous innervation of foot - Correct Answers -lateral: sural.medial: saphenous.heel:
tibial.plantar medial: dial plantar.lateral plantar: lateral plantar. between 1 and 2 toes
deep fibular. dorsum of foot: superficial fibular.
what nerve can be compressed in tarsal tunnel - Correct Answers -tibular n
Morton's neuroma - Correct Answers -compression of nerve passing through
metatarsals (possibly due to running) most likely between 3 and 4
intrinsic muscles of dorsum of foot innervated by deep fibular n. - Correct Answers -
extensor digitorum brevis, extensor hallicus brevis
dorsal pedis artery is palpated between - Correct Answers -extensor hallicus longus and
extensor digitorum logus (branches from anterior tibial a)
talipes equinovares - Correct Answers -congenital club foot where the infants foot is
rotated medially and inverted
borders of popliteal fossa and floor of - Correct Answers -UL: biceps femoris UM:
semimembranosus L: gatronemius
, F: popliteus, joint, fibula and tibia
contents of popliteal fossa (anterior to posterior) - Correct Answers -popliteal artery,
popliteal v, tibial n (also present common fibular n, sural n) place where nerve is
susceptible because it is superficial
muscles of lateral compartment of leg
BS, innervation, function - Correct Answers -fibularis longus and brevis: superficial
fibular n, fibular a distally, anterior tibial artery proximally
Avulsion on 5th metatarsal is most likely caused by - Correct Answers -fibularis brevis
What nerve is susceptible to injury at fibula head - Correct Answers -fibular n
muscles of anterior leg (function and distal attachment) - Correct Answers -extensor
digitorum longus: extension of digits, dorsiflex attaches @ distal phalanx 2-5
tibialis anterior: strongest dorsiflexor, inversion, arch support attaches @ medial
cuneiforma and 1st metatarsal
extensor hallicus longus: extension of big toe, dorsiflex attaches @ distal phalanx of 1
fibularis tertius: eversion, dorsiflex attaches @ base of 5th metatarsal
muscles of anterior leg (innervation, BS) - Correct Answers -deep fibular n, anterior
tibial a
manifestation of common fibular n injury - Correct Answers -foot drop with steppage
gait, circumduction or waddle
muscles of posterior compartment of leg innervation - Correct Answers -tibial n
superficial muscles of posterior compartment of leg (function and proximal attachment) -
Correct Answers -attach @ achilies tendon
grastrocnemius: medial and lateral epicondyles, flex knee and plantarflex
soleus: tibia soleal line, plantarflex
plantaris: lateral supracondylar line of femur, flexes knee and plantarflex
deep muscles of posterior leg (proximal, distal, function) - Correct Answers -popliteus:
lateral femoral condyle to tibia, laterally rotates femur on fixed tibia, flexes knee
flexor digitorum longus: tibia to base of phalanges 2-4, flexes toes
flexor hallicus longus: fibula to distal phalanx of big toe, flexes big toe
tibialis posterior: tibia and fibula to navicular and medial cuneiform, plantar flexion,
inversion, arch support
Tom Dick and very nervous Harry, location and corresponding tissue - Correct Answers
-anterior to posterior, posterior to medial epicondyle (tarsal tunnel)
tibialis posterior, flexor digitorum longus, posterior tibial a, v, tibial n, flexor hallicus
longus
QUESTIONS AND ANSWERS
plantar fascitis - Correct Answers -The first step in the morning hurts the bottom of foot
the most
Ligaments of arch deep to superficial - Correct Answers -plantar aponeurosis, short and
long planar ligament, plantar calcaneal ligament (spring)
extensor hood of foot - Correct Answers -attachment for lumbricals and interossi,
extensor tendons pass through
intrinsic muscles of foot innervated by median plantar n - Correct Answers -abductor
hallicus, flexor digitorum brevis, flexor hallicus brevis, lumbrical 1 (branch of the tibial n)
intrinsic muscles of foot innervated by lateral plantar n - Correct Answers -abductor digiti
minimi, adductor hallicus, interossi, lumbricals 2-5
dorsal venous drainage of foot - Correct Answers -dorsal arch to greater (medial) and
lesser saphenous vein
cutaneous innervation of foot - Correct Answers -lateral: sural.medial: saphenous.heel:
tibial.plantar medial: dial plantar.lateral plantar: lateral plantar. between 1 and 2 toes
deep fibular. dorsum of foot: superficial fibular.
what nerve can be compressed in tarsal tunnel - Correct Answers -tibular n
Morton's neuroma - Correct Answers -compression of nerve passing through
metatarsals (possibly due to running) most likely between 3 and 4
intrinsic muscles of dorsum of foot innervated by deep fibular n. - Correct Answers -
extensor digitorum brevis, extensor hallicus brevis
dorsal pedis artery is palpated between - Correct Answers -extensor hallicus longus and
extensor digitorum logus (branches from anterior tibial a)
talipes equinovares - Correct Answers -congenital club foot where the infants foot is
rotated medially and inverted
borders of popliteal fossa and floor of - Correct Answers -UL: biceps femoris UM:
semimembranosus L: gatronemius
, F: popliteus, joint, fibula and tibia
contents of popliteal fossa (anterior to posterior) - Correct Answers -popliteal artery,
popliteal v, tibial n (also present common fibular n, sural n) place where nerve is
susceptible because it is superficial
muscles of lateral compartment of leg
BS, innervation, function - Correct Answers -fibularis longus and brevis: superficial
fibular n, fibular a distally, anterior tibial artery proximally
Avulsion on 5th metatarsal is most likely caused by - Correct Answers -fibularis brevis
What nerve is susceptible to injury at fibula head - Correct Answers -fibular n
muscles of anterior leg (function and distal attachment) - Correct Answers -extensor
digitorum longus: extension of digits, dorsiflex attaches @ distal phalanx 2-5
tibialis anterior: strongest dorsiflexor, inversion, arch support attaches @ medial
cuneiforma and 1st metatarsal
extensor hallicus longus: extension of big toe, dorsiflex attaches @ distal phalanx of 1
fibularis tertius: eversion, dorsiflex attaches @ base of 5th metatarsal
muscles of anterior leg (innervation, BS) - Correct Answers -deep fibular n, anterior
tibial a
manifestation of common fibular n injury - Correct Answers -foot drop with steppage
gait, circumduction or waddle
muscles of posterior compartment of leg innervation - Correct Answers -tibial n
superficial muscles of posterior compartment of leg (function and proximal attachment) -
Correct Answers -attach @ achilies tendon
grastrocnemius: medial and lateral epicondyles, flex knee and plantarflex
soleus: tibia soleal line, plantarflex
plantaris: lateral supracondylar line of femur, flexes knee and plantarflex
deep muscles of posterior leg (proximal, distal, function) - Correct Answers -popliteus:
lateral femoral condyle to tibia, laterally rotates femur on fixed tibia, flexes knee
flexor digitorum longus: tibia to base of phalanges 2-4, flexes toes
flexor hallicus longus: fibula to distal phalanx of big toe, flexes big toe
tibialis posterior: tibia and fibula to navicular and medial cuneiform, plantar flexion,
inversion, arch support
Tom Dick and very nervous Harry, location and corresponding tissue - Correct Answers
-anterior to posterior, posterior to medial epicondyle (tarsal tunnel)
tibialis posterior, flexor digitorum longus, posterior tibial a, v, tibial n, flexor hallicus
longus