front 1 Tibiofibular joint | back 1 tibiofibular syndesmosis (inferior) fibers of the interosseus membrane and all ligaments of these joints run inferiorly from tibia to fibula to resist the downward pull of the fibular muscle attachments |
front 2 Superior Tibiofibular Joint | back 2 flat facet of fibular head and articular facet posteriolaterally on lateral tibial condyle. |
front 3 what type of joint is superior tibiofibular joint? | back 3 plane synovial joint |
front 4 What tibiofibular ligaments strenghten the capsule? | back 4 anterior and posterior tibiofibular ligaments |
front 5 What tendon passes across the posterior joint? | back 5 popliteus tendon |
front 6 What is the motion of the tibiofibular joint? | back 6 motion, slight fibular movement w/ dorsiflexion |
front 7 tibiofibular syndesmosis | back 7 fibrous union of tibia and fibula by interosseus membrane as well as anterior, interosseus, and posterior ligaments |
front 8 what type of joint is tibiofibular syndesmosis? | back 8 compound fibrous joint |
front 9 how is the capsule strengthened in the tibiofibular syndesmosis joint? | back 9 anterior and posterior inferior tibiofibular ligaments, inferior transverse ligament |
front 10 retinaculum | back 10 CT band that crosses over tendons to keep them from being displaced UPWARD when muscle shortens and bends the joints. Friction of tendons happens at this location. |
front 11 synovial sheath | back 11 modified bursa that wraps around a tendon to protect it from friction on all sides (wrist, ankles, digits) |
front 12 anterior compartment | back 12 between lateral surface of tibial shaft and medial surface of fibular shaft, anterior to interosseus membrane forms 2 bands of fascia that forms retinaculum before and after muscle cross the ankle joint |
front 13 deep fibular nerve (found in anterior compartment) | back 13 accompanies anterior tibial artery between TA and EDL |
front 14 anterior tibial artery (found in anterior compartment) | back 14 at ankle midpoint between malleoli changes name to become dorsal artery of foot (dorsalis pedis) |
front 15 during gait these muscles contract to raise foot to clear ground during swing phase. after heelstrike they ECCENTRICALLY contract to lower forefoot to ground | back 15 anterior compartment |
front 16 superior fibular retinaculum | back 16 found in lateral compartment |
front 17 superficial fibular nerve (found in lateral compartment) | back 17 sciatic n branches into tibial and common fibular nerve (at apex of popliteal fossa) which then splits into superficial and deep fibular nerves also innervates skin on distal 1/3 of anterior leg and dorsum of foot |
front 18 tibial n (posterior compartment) | back 18 larger branch of sciatic, deep to soleus, at ankle lies between tendons of flexor hallicus longus and flexor digitorum longus. divides into medial and lateral plantar nerves posterior/inferior to medial malleolus |
front 19 posterior tibial artery (posterior compartment) | back 19 from popliteal artery, travels deep to origin of origin of soleus, and descends to behind medial malleolus and splits into medial and lateral plantar arteries |
front 20 fibular artery (posterior compartment) | back 20 branch from posterior tibial artery, descends from distal border of popliteus toward fibula along or within flexor hallicus longus, passes through interosseus membrane and into dorsum of foot |
front 21 tibialis anterior pa | back 21 lateral condyle and superior 1/2 of lateral surface of tibia and interosseus membrane |
front 22 tibialis anterior da | back 22 medial and inferior surface of medial cuneiform and base of 1st metatarsal |
front 23 tibialis anterior n | back 23 deep fibular N L4-L5 (one) |
front 24 tibialis anterior a | back 24 dorsiflexes ankle and inverts foot |
front 25 extensor digitorum longus pa | back 25 lateral condyle of tibia and superior 3/4 of medial surface of fibula and interosseus membrane |
front 26 extensor digitorum longus da | back 26 middle and distal phalanges of lateral 4 digits |
front 27 extensor digitorum longus n | back 27 deep fibular nerve L4-L5 (two) |
front 28 extensor digitorum longus a | back 28 extends lateral 4 digits and dorsiflexes ankle |
front 29 extensor hallicus longus pa | back 29 middle part of anterior surface of fibula and interosseus membrane |
front 30 extensor hallicus longus da | back 30 dorsal aspect of base of distal phalanx of great toe |
front 31 extensor hallicus longus n | back 31 deep fibular n L5-S1 (three) |
front 32 extensor hallicus longus a | back 32 extends great toe and dorsiflexes the ankle |
front 33 fibularis tertius pa | back 33 inferior 1/3 of anterior surface of fibula and interosseus membrane |
front 34 fibularis tertius da | back 34 dorsum of base of 5th metatarsal |
front 35 fibularis tertius n | back 35 deep fibular n L5-S1 (four) |
front 36 fibularis tertius a | back 36 dorsiflexes ankle and everts |
front 37 fibularis longus pa | back 37 head and superior 2/3 of lateral fibula |
front 38 fibularis longus da | back 38 base of 1st metatarsal and medial cuneiform |
front 39 fibularis longus n | back 39 superficial fibular L5-S2 (one) |
front 40 fibularis longus a | back 40 evert w/ weak plantarflexion (one) |
front 41 fibularis brevis pa | back 41 inferior 2/3 of lateral fibula |
front 42 fibularis brevis da | back 42 dorsal surface of tuberosity on lateral side of base of 5th metatarsal |
front 43 fibularis brevis n | back 43 superficial fibular n L5-S2 (two) |
front 44 fibularis brevis a | back 44 everts foot w/ weak plantarflex (two) |
front 45 gastrocnemius lateral head pa | back 45 lateral aspect of lateral condyle of femur |
front 46 gastrocnemius medial head pa | back 46 popliteal surface of femur, superior to medial condyle |
front 47 gastrocnemius, soleus, plantaris da | back 47 posterior surface of calcaneous via calcaneal tendon |
front 48 gastrocnemius, soleus, plantaris n | back 48 tibial nerve S1-S2 |
front 49 gastrocnemius a | back 49 plantarflexes ankle when knee extended, flex leg at knee joint, raises heel when walking (muscles eccentrically contract) |
front 50 soleus pa | back 50 posterior aspect of head of fibula; superior 1/4 of posterior surface of fibula, soleal line and middle 1/3 of medial border of tibia |
front 51 soleus a | back 51 plantarflexes indepenent of knee position, steadies leg on foot |
front 52 plantaris pa | back 52 inferior end of lateral supracondylar line of femur and oblique popliteal ligament |
front 53 plantaris a | back 53 weakly assist gasttrocnemius with plantar flexion and proptioception |
front 54 popliteus pa | back 54 lateral surface of lateral condyle of femus and lateral meniscus |
front 55 popliteus da | back 55 posterior surface of tibia, superior to soleal line |
front 56 popliteus, FHL, FDL, TP n | back 56 tibial nerve L4-S1 S2-S3 S2-S3 L4-L5 |
front 57 popliteus a | back 57 weakly flex knee and unlocks in by rotating femur 5 degrees on fixed tibia; medially rotates tibia of unplanted limb |
front 58 flexor hallicus longus pa | back 58 inferior 2/3 of posterior surface of fibula; inferior part of interosseus membrane |
front 59 flexor hallicus longus da | back 59 base of distal phalanx of great toe |
front 60 flexor hallicus longus a | back 60 flexes great toe at all joints; weakly plantarflexes ankle; supports medial longtiduinal arches of foot |
front 61 flexor digitorum longus pa | back 61 medial part of posterior surface of tibia inferior to soleal line; by a broad tendon to fibula |
front 62 flexor digitorum longus da | back 62 base of distal phalanges of lateral 4 digits |
front 63 flexor digitorum a | back 63 flexes lateral 4 digits, plantarflexion, supports longitudinal arch of foot |
front 64 tibialis posterior pa | back 64 interosseus membrane; posterior surface of tibia inferior to soleal line; posterios surface of fibula |
front 65 tibialis posterior da | back 65 tuberosity of navicular, cuneiform and cuboid; bases of 2,3, and 4th metatarsals |
front 66 tibialis posterior a | back 66 plantarflexes ankle, inverts foot |