Term
what provides cutaneous innervation to the anterior superolateral surface of the leg |
|
Definition
lateral sural cutaneous n |
|
|
Term
what provides cutaneous innervation to the anterior inferolateral surface of the leg |
|
Definition
superificial fibular nerve |
|
|
Term
what provides cutaneous innervation to the anterior medial surface of the leg |
|
Definition
|
|
Term
what provides cutaneous innervation to the posterior superolateral surface of the leg |
|
Definition
lateral sural cutaneous nerve |
|
|
Term
what provides cutaneous innervation to the posterior inferolateral surface of the leg |
|
Definition
|
|
Term
what provides cutaneous innervation to the posterior medial surface of the leg |
|
Definition
|
|
Term
|
Definition
|
|
Term
what is the deep fascia of the leg continous with |
|
Definition
|
|
Term
what do the anterior and posterior intermuscular septa pass to and from |
|
Definition
|
|
Term
what does the interosseous membrane of the leg pass to and from |
|
Definition
|
|
Term
what is the function of the interosseous membrane of the leg |
|
Definition
binds tibia and fibula, provides attachment for neighboring muscles |
|
|
Term
what are the compartments of the leg |
|
Definition
anterior, lateral, posterior |
|
|
Term
which compartment of the leg is further divided, how |
|
Definition
superificial and deep transverse intermuscular septum |
|
|
Term
what forms the flexor retinacula of ankle |
|
Definition
thickening of deep fascia |
|
|
Term
what is the function of the flexor ratinacula of the ankle |
|
Definition
keep long tendons in position and act as a modified pully |
|
|
Term
what are the extensor retinacula of the ankle |
|
Definition
|
|
Term
what does the superior extensor retinaculum attach do |
|
Definition
distal anterior tibia and fibula |
|
|
Term
what is the shape of the inferior extensor retinaculum |
|
Definition
|
|
Term
what is the stem of the inferior extensor retinaculum attached to |
|
Definition
|
|
Term
what is the upper part of the inferior extensor retinaculum attached to |
|
Definition
|
|
Term
what is the lower part of the inferior extensor retinaculum attached to |
|
Definition
medial foot and continous with plantar fascia |
|
|
Term
where is the flexor retinaculum of the leg located |
|
Definition
|
|
Term
what does the flexor retinaculum extend to and from |
|
Definition
medial malleolus to medial calcaneus |
|
|
Term
where are the fibular retinacula |
|
Definition
|
|
Term
what does the superior fibular retinacula extend to and from |
|
Definition
lateral malleolus to lateral calcaneus |
|
|
Term
what does the inferior fibular retinaculum extend to and from |
|
Definition
fibular trochlea of calcaneus to lateral calcaneus superior and inferior to fibular trochlea |
|
|
Term
what are the superificial muscles of the posterior compartment of the leg |
|
Definition
gastronecemius, soleus, plantaris |
|
|
Term
what are the deep muscles of the posterior compartment of the leg |
|
Definition
popliteus, flexor digitorum longus, flexor hallucis longus, tibialis posterior |
|
|
Term
what seperates the superificial and deep muscules of the posterior compartment of the leg |
|
Definition
transverse intermuscular septum |
|
|
Term
what are the muscles of the posterior compartment of the leg innervated by |
|
Definition
|
|
Term
what is the origin of the lateral head of the gastrocnemius |
|
Definition
lateral surface of lateral condyle of femur and distal end of lateral supracondylar line of femur |
|
|
Term
what is the origin of the medial head of the gastrocnemius |
|
Definition
popliteal surface of femur above the medial condyle |
|
|
Term
what is the insertion of the gastrocnemius |
|
Definition
|
|
Term
what is involved in the achilles tendon |
|
Definition
common tendon for soleus and gastrocnemius |
|
|
Term
what is another name for achilles tendon |
|
Definition
|
|
Term
where does the achilles tendon insert |
|
Definition
|
|
Term
what innervates the gastrocnemius |
|
Definition
|
|
Term
what is the action of the gastrocnemius |
|
Definition
plantar flexion at ankle, assist in flexion of leg at knee |
|
|
Term
where is the soleus located in relation to the gastrocnemius |
|
Definition
|
|
Term
what is the origin of the soleus |
|
Definition
soleal line, middle third of tibia, posterior head of fibula, upper third posterior shaft fibula, tendinous arch between tibial and fibular attachments |
|
|
Term
what is the isnertion of the soleus |
|
Definition
|
|
Term
what is the innervation of the soleus |
|
Definition
|
|
Term
what is the action of the soleus |
|
Definition
|
|
Term
what is the origin of the plantaris |
|
Definition
lateral supracondylar line of femur |
|
|
Term
where os the origin of the plantaris in relation to other origins near it |
|
Definition
above origin of lateral head of gastrocnemius |
|
|
Term
describe the relation of the plantaris to other muscles |
|
Definition
tendon passes inferior and medial between gastrocnemius and soleus, descends on medial border of calcaneal tendon (occasionally with it) |
|
|
Term
what is the insertion of plantaris |
|
Definition
|
|
Term
what is the action of the plantaris |
|
Definition
plantar flexion, flexion at knee |
|
|
Term
what is the origin of the flexor digitorum longus |
|
Definition
posterior shaft tibia, inferior to soleal line |
|
|
Term
what is the relation of the flexor digitorum longus to the other muscles around it, describe its path to insertion |
|
Definition
posterior to medial malleolus, under flexor retinaculum, enters sole of foor and divides into 4 tendons, passes under flexor digitorum brevis slips |
|
|
Term
where does the flexor digitorum longus insert |
|
Definition
base of distal phalanges of lateral 4 toes |
|
|
Term
what innervates the flexor digitorum longus |
|
Definition
|
|
Term
what is the action of the flexor digitorum longus |
|
Definition
flexion of toes, plantar flexion, support longitudinal arch |
|
|
Term
what is the origin of the flexor hallucis longus |
|
Definition
lower 2/3 of posterior surface of shaft fibula |
|
|
Term
describe the path and relations of the flexor hallucis longus to its insertion |
|
Definition
in groove between medial and lateral tubercles of posterior process talus, posterior to medial malleolus, under flexor retinaculum, inferior to sustentaculum tali, anterior in sole of foot |
|
|
Term
where does the flexor hallucis longus insert |
|
Definition
base of fistal phalanx big toe |
|
|
Term
what innervates flexor hallicus longus |
|
Definition
|
|
Term
what is the action of the flexor hallicus longus |
|
Definition
flexion big toe, plantar flexion, support medial longitudinal arch |
|
|
Term
what is the most deep muscle of the posterior compartment |
|
Definition
|
|
Term
where is the origin of the tibialis posterior in relation to other muscles |
|
Definition
between and overlaped by flexor digitorum longus and flexor hallucis longus |
|
|
Term
what is the origin of the tibialis posterior |
|
Definition
posterior shaft tibia inferior to soleal line, upper posterior shaft of fibula, interosseous membrane |
|
|
Term
describe the path or relation of the tibialis posterior to other structures on its way to its insertion |
|
Definition
tendon is anterior (or deep) to flexor digitorum longus, posterior to medial malleolus, under flexor retinaculum |
|
|
Term
where does the tibialis posterior insert |
|
Definition
tuberosity of navicular and slips into cuboid, cuneiformis, bases of metacarpals 2 and 4 |
|
|
Term
what innervates the tibialis posterior |
|
Definition
|
|
Term
what is the action of the tibialis posterior |
|
Definition
plantar flexion, inversion of foot at subtalar and transverse tarsal joints, support medial longitudinal arch of foot |
|
|
Term
what is the action of the slips of the tibialis posterior |
|
Definition
hold bones of foot together |
|
|
Term
what is the origin of the popliteus |
|
Definition
in capsule of knee from lateral condyle of femur and some lateral meniscus |
|
|
Term
what is the insertion of the popliteus |
|
Definition
posterior shaft tibia, superior soleal line |
|
|
Term
what innervates the popliteus |
|
Definition
|
|
Term
what is the action of the popliteus if the foot is off the ground |
|
Definition
|
|
Term
what is the action of the popliteus if the foot is on the ground |
|
Definition
lateral rotation of the femur |
|
|
Term
what is the action of the popliteus regardless of the foot |
|
Definition
|
|
Term
what i the posterior tibial a a branch of |
|
Definition
|
|
Term
where does the posterior tibial a begin |
|
Definition
lower border of poplitrus m |
|
|
Term
what is the path of the posterior tibial a |
|
Definition
inferior in deep posterior compartment, under transverse intermuscular septum,posterior to medial alleolus, under flexor retinaculum, |
|
|
Term
where is the posterior tibial a most superificial |
|
Definition
after going through flexor retinaculum |
|
|
Term
how does the posterior tibial a terminate |
|
Definition
dividing into medial and lateral planter arteries |
|
|
Term
where does the fibular a originate |
|
Definition
from proximal posterior tibial a |
|
|
Term
describe the path of the fibular a |
|
Definition
posterior to fibula, within flexor hallucis longus or between it and tibialis posterior, |
|
|
Term
what does the fibular a supply |
|
Definition
posterior and lateral compartment of the leg, distal branches to ankle, heel |
|
|
Term
what are the distal branches to the ankle and heel off the fibular a |
|
Definition
perforating, communicating, posterior lateral malleolar, and lateral calcaneal branches) |
|
|
Term
describe the path of the circumflex fibular a |
|
Definition
lateral around neck of fibula, anastomosis around knee |
|
|
Term
what a supplies muscles of the posterior compartment |
|
Definition
muscular branches of the posterior tibial a |
|
|
Term
what are the branches of the posterior tibial a |
|
Definition
gibular, circumflex fibular, muscular, posterior medial malleolar, medial calcaneal, medial plantar, lateral plantar |
|
|
Term
where does the posterior medial malleolar branch of the tibial a end |
|
Definition
|
|
Term
what does the medial calcaneal branches of the posterior tibial a supply |
|
Definition
|
|
Term
describe the tibial n path in the leg |
|
Definition
descrnds through popliteal fossa, under tendinous arch of soleus, inferior in deep part of posterior compartment, under stransverse intermuscular septum, posterior to medial melleolus, under flexor retinaculum |
|
|
Term
what accompanies the tibial n |
|
Definition
posterior tibial a and veins |
|
|
Term
how does the tibial n terminate |
|
Definition
divides into medial and lateral plantar nerves |
|
|
Term
what are the branches of the tibial n |
|
Definition
muscular, medial calcaneal, articular to ankle, medial plantar, lateral plantar |
|
|
Term
what does the medial calcaneal branches of the tibial n supply |
|
Definition
skin of medial and inferior aspects of heel |
|
|
Term
what are the muscles of the anterior compartment of the leg |
|
Definition
tibialis anterior, extensor digitorum longus, extensor hallucis longus, fibularis tertius |
|
|
Term
what are the muscles of the anterior compartment of the leg innervated by |
|
Definition
|
|
Term
what is the origin of the tibialis anterior |
|
Definition
lateral condyle of tibia, upper lateral shaft tibia, interosseous membrane |
|
|
Term
what is the insertion of the tibialis anterior |
|
Definition
medial cuneiform and base of metatarsal 1 |
|
|
Term
where is teh tibialis anterior in teh ankle |
|
Definition
under extensor retinacula |
|
|
Term
what does the tibialis anterior supply |
|
Definition
|
|
Term
what is the action of the tibialis anterior |
|
Definition
dorsiflexion of ankle, inversion of foor at subtalar and transverse tarsal joints, assist sin holding up medial longitudinal arch of foot |
|
|
Term
what is the origin of the extensor digitorum longus |
|
Definition
lateral condyle of tibia, upper 3.4 of the anterior shaft fibula, interosseous membrane |
|
|
Term
where is the extensor digitorum longus in the ankle |
|
Definition
under extensor retinacula |
|
|
Term
what is the insertion of the extensor digitorum longus |
|
Definition
divides into 4 slips on dorsal surface form extensor expansions, the then divide into 3 slips each and insert into middle phalanx, two lateral slips join and insert into base of distal phalanx |
|
|
Term
what innervates the extensor digitorum longus |
|
Definition
|
|
Term
what is the action of the extensor digitorum longus |
|
Definition
extend lateral 4 toes, dorsiflexion of foot at ankle |
|
|
Term
what is the orogin of the extensor hallucis longus |
|
Definition
middle anterior shaft fibula and interosseous membrane |
|
|
Term
what is the insertion of the extensor hallicus longus |
|
Definition
tendon passes under extensor retinacula and inserts into base of distal phalanx of big toe |
|
|
Term
what innervates the extensor hallicus longus |
|
Definition
|
|
Term
what is the action of the extensor hallicus longus |
|
Definition
extend big toe, dorsiflex foot at ankle, inverts foot at subtalar and transverse tarsel joint |
|
|
Term
what is the orogin of the fibularis teritus |
|
Definition
lower anterior shaft fibula, interossorus membrane |
|
|
Term
what is the insertion of the fibularis tertius |
|
Definition
dorsal shaft base metacarpal 5 |
|
|
Term
where is the fibularis tertius in the ankle |
|
Definition
under extensor retinacula |
|
|
Term
what innervates the fibularis tertius |
|
Definition
|
|
Term
what is the action of the fibular tertius |
|
Definition
dorsiflexion of the foot at ankle, eversion of foot at sibtalar and transverse joints |
|
|
Term
what is the anterior tibial a a branch of |
|
Definition
|
|
Term
where does the anterior tibial a begin |
|
Definition
lower border of popliteus m |
|
|
Term
describe the path of the anterior tibial a |
|
Definition
forward intoa nterior compartment of leg, through oprning in upper interosseous membrane |
|
|
Term
where is the anterior tibial a in the upper 2/3 of the leg |
|
Definition
descends on interosseous membrane covered by anterior compartment muscles |
|
|
Term
where is the anterior tibial a in the distal 1/3 of the leg |
|
Definition
anterior to ribia covered by skin and fasciae |
|
|
Term
what is the anterior tibial a accompanied by |
|
Definition
deep fiblar n and anterior tibial veins |
|
|
Term
describe the location of the anterior tibial a at the ankle |
|
Definition
crossed anterior by tendon of extensor hallucis longus |
|
|
Term
where is the anterior tibial a distal to the ankle |
|
Definition
continues as dorsalis pedis a |
|
|
Term
what are the branche sof the anterior tibial a |
|
Definition
muscular, knee and ankle joint anastomosis, |
|
|
Term
what are the branches of the anterial tibial a that anastomosis at knee |
|
Definition
anterior and posterior tibial |
|
|
Term
what are the branches of the anterial tibial a that anastomosis at ankle |
|
Definition
anterior medial and anterior lateral malleolar |
|
|
Term
what is the deep fibular n a branch od |
|
Definition
terminal branch of common fibular n |
|
|
Term
where does the deep fibular nerve begin |
|
Definition
deep to fibularis longus, lateral to neck of fibula |
|
|
Term
describe the path of the deep fibular n |
|
Definition
pierces anterior intermuscular septum to anterior compartment, continues onto dorsum of doot |
|
|
Term
what are the branches of the deep fibular n |
|
Definition
muscula,r articular to ankle |
|
|
Term
what are the muscles of the lateral compartment of the leg |
|
Definition
fibularis longus, fibularis brevis, |
|
|
Term
what are the muscles of the lateral compartment of the leg innervated byu |
|
Definition
|
|
Term
what is the superificial muscle of the lateral compartment of the leg |
|
Definition
|
|
Term
what is the origin of the fibularis longus |
|
Definition
lateral surface of head of fibular and upper lalteral surface of shafe of fibula |
|
|
Term
what is the insertion of the fibularis longus |
|
Definition
medial cuneiform and base of metatarsal 1 |
|
|
Term
what is the path of the fibularis longus to its insertion, what is it next to and sch |
|
Definition
posterior to lateral melleolus, anterior and inferior on lateral surface of calcaneus, around cuboid and enters groove on its inferior surface, crosses sole of foot from lateral to medial |
|
|
Term
what innervates the fibularis longus |
|
Definition
|
|
Term
what is the action of the fibularis longus |
|
Definition
plantar flexion, eversion at subtalar and transverse tarsal joints, maintain lateral longitudinal and transverse foot arches |
|
|
Term
what is the orogin of the fibularis brevis |
|
Definition
lower lateral shaft fibula |
|
|
Term
what is the path of the fibularis brevis to its insertion, what does it tun by |
|
Definition
posterior and in contact with lateral melleolus, anterior and inferior on lateral calcaneus, |
|
|
Term
what is the insertion of the fibularis brevis |
|
Definition
tuberosity of base of metacarpal 5 |
|
|
Term
what innervates the fibularis brevis |
|
Definition
|
|
Term
what is the action of the fibularis vrevis |
|
Definition
plantar flexion, eversion of foot at subtalar and transverse tarsal joints, holds lateral longitudinal arch of foot |
|
|
Term
what can cause an avulsion fraction of the tuberosity of the 5th metatarsal |
|
Definition
when foot is suddenly inverted and the tuberosity is torn away from tendon of fibularis brevis, severly sprained ankle |
|
|
Term
what is the chief source of blood to the lateral compartment of the leg |
|
Definition
fibular and anterior tibial arteries |
|
|
Term
how do branches of the fibular a get into the lateral compartment |
|
Definition
pierce posterior intermuscular septum |
|
|
Term
how do branches of anterior tibial a get into the lateral compartment |
|
Definition
pierce anterior intermuscular septum |
|
|
Term
what is the superificial fibular nerve a branch of |
|
Definition
|
|
Term
where does the superificial fibualr n begin |
|
Definition
between fibularis longus and fibularis brevis |
|
|
Term
where does the superificial fibular nerve become superificial |
|
Definition
pierces deep facia in lower leg |
|
|
Term
what are the branches of the superificial fibular n |
|
Definition
|
|
Term
what do the muscular branches of the superificial fibular n supply |
|
Definition
fibularis longus and brevis |
|
|
Term
what do the cutaneous branches of the superificial fibular n supply |
|
Definition
skin of lower anteriolateral leg, dorsum mof foot and dorsal surface of big toe, |
|
|
Term
what supplies cutaneous innervation to the lateral little toe |
|
Definition
|
|
Term
what supplies cutaneous innervation to the adjacent sides of big toe and 2nd toes |
|
Definition
|
|
Term
what structures are anterior to the ankle and superificial to the extensor retinacula |
|
Definition
saphenous n, great sapheous v, branches of superificial fibular n |
|
|
Term
what passes anterior to ankle and deep of through extensor retinacula |
|
Definition
tendon of tibialis anterior, extensor hallucus ongus, extensor digitorum longus, fibularis tertius. anterior tibial a and v, deep fibula n |
|
|
Term
what passes posterior to medial malleolus and deep to flexor retinaculum from anterior to posterior |
|
Definition
tendon of tibialis posteriorn, flexor digitorum longus, flexor hallucis longus. posterior tibial a and v, tibial n |
|
|
Term
what psses posterior and lateral to malleolus and superificial to superior fibular retinaculum |
|
Definition
sural n, small saphenous v |
|
|
Term
what passes posteriot to lateral malleolus and deep to superior fibular retinaculum |
|
Definition
tendon of fibularis brevis and longus |
|
|