wk 10- Flashcards
what retinacula forms tarsal tunnell
flexor retinaculum (medial ankle)
what retinacula are on the lateral side of the ankle?
super and inferior peroneal retinacula
what retinacula is on the anterior portion of ANKLE
inferior extensor retinacula (y shaped)
what attaches to the shaft of the 5th metatarsal bone
fibulas tertius
what nerve innervates the dorsal interossei muscles of the foot
lateral plantar nerve
plantar interossei provide what movement
adduction
damage/injury to what2 things causes drop foot
nerve and muscles in the anterior compartment of the leg
what movements does the anterior compartment of leg provide
extensors/ dorsiflexion of foot
movements of lateral comp of leg
eversion
movement of posterior comp of leg
plantar flexion and flexion
what nerve innervates the anterior comp muscles
deep fibular nerve
what artery accompanies the deep fibular nerve and supplies the anterior comp of leg
anterior tibial artery
what nerve innervates the lateral comp of leg
superficial fibular nerve
what nerve innervates the posterior comp
tibial nerve
what artery accompanies the tibial nerve
posterior tibial artery
Name the muscles in the anterior comp of leg
tibialis anterior, extensor digitiorum longus, extensor hallucis longus, Fibularid tertius
muscles in the lateral compartment of leg
fibulas longus and fibulas brevis
muscles in the posterior comp of leg
superficial- gastrocnemius (lat and medial heads), soleus, plantaris
deep- flexor digitorum long, flexor hallucis longus, tibialis posterior, popliteus
muscles in the dorsal of foot
extensor digitorum brevis, extensor hallucis brevis
layer one of plantar muscles
- flexor digitorum brevis
- abductor digiti mini
- abductor hallucis
layer two of plantar muscles
- quaraatus planate
- lumbricals 1-4
layer three of plantar muscles
- adductor hallucis: transverse and oblique head
- flexor digiti mini brevis
- flexor hallucis brevis
layer four of plantar muscles
- dorsal interossei 4
- plantar interossei 3
causes of plantar fasciitis
tight gastrocnemius , foot posture
tarsal tunnel order
Tibialis posterior, flexor digitorum longus, posterior tibial artery, posterior tibial vein, tibial nerve, flexor hallucis longus
tibialis anterior attaches and inserts into what and passes deep to what
crural interosseous membrane, plantar surface of medial cuneiform bone and passes deep to the extensor retinacula
extensor hallucis longus attaches to what
middle two/fourths of the medial suface of fibula and the crural interosseous membrane
what muscle in the anterior comp may act as an Everton of the foot
extensor digitorum longus
can fibulas tertius be absent?
yes
the medial surface of the fibula provides attachment for
all muscles of anterior comp but tibialis anterior
in the lateral malleolar groove, which tendon lies superficial
fibulas longus superficial to brevis
fibulas brevis passes superiorly across what Landmark on the calcaneus
fibularis trochlea/tubercle
planters arises from what side of the gastrocnemius and terminates where
lateral head of gastrocnemius (supracondylar line) and inserts into posterior surface of calcaneus or medial border of tenor calcaneus
triceps surae consists of
gastrocnemius and soleus
popliteus arises from what?
lateral femoral condyle
what tendon passes between the sesamoid bones of the first metatarsophalangeal joint
flexor hallcis longus tendon
what muscle attaches to the indoor extensor retinaculum
extensor digitorum brevis
abductor hallucis attaches to
medial process of calcanea tuberosity, plantar aponeurosis, medial inter muscular septum
flexor digitorum brevis attaches to
plantar aponeurosis, both sides of middle phalanges of the lateral four toes, inter muscular septa
what muscle attaches to the lateral process of calcanea tuberosity
abductor digiti minimi
what is another name for quadrates planate and how is it orientated
flexor digitorum accessories and it has 2 heads that are separated by the long plantar ligament
what attaches to the extensor expansion of the lateral four toes
lumbricals, dorsal interossei and plantar interossei
what tendon is in the second layer of the foot
flexor digitorum longus
what is continuous with the plantar aponeurosis
flexor retinaculum
what retinacula attach to the lateral malleolus
superior extensor retinaculum and superior perineal retinaculum
what retinaculum attach to the medial malleolus
interior extensor retinaculum, superior extensor retinaculum flexor retinaculum,
which retinaculum attaches to both malleolus
superior extensor retinaculum