LE Lecture 18- Exam 3 Flashcards
tibialis anterior
P: tibia (upper 2/3 of lateral surface), interosseous membrane, superficial crural fascia
D: medial cuneiform (medial and plantar surface), first metatarsal (medial base)
N: deep fibular L4-5
A: talocrural joint: dorsiflexion
subtalar joint: inversion (supination)
extensor digitorum longus
P: fibula (head of medial surface); tibia (lateral condyle); interosseous membrane
D: 2nd to 5th toes (at the dorsal aponeuroses at the bases of the distal phalanges)
N: deep fibular L4-5
A: Talocrural joint (dorsiflexion); Subtalar joint: eversion (pronation): Extends the MTP and IP joints of the 2nd to 5th toes
extensor hallucis longus
P: fibula (middle 1/3 of medial surface), interosseous membrane
D: 1st toe (dorsal aponeurosis at the base of its distal phalanx)
N: deep fibular L4-5
A: Talocrural joint: dorsiflexion; Subtalar joint: active in both eversion and inversion (pronation/supination), depending on the initial position of the foot; Extends the MTP and IP joints of the big toe
fibularis tertius
P: distal fibula (anterior border)
D: 5th metatarsal (base)
N: deep fibular L4-5
A: Talocrural joint: dorsiflexion; Subtalar joint: eversion (pronation)
extensor hallucis brevis
P: calcaneus (dorsal surface)
D: 1st toe (at dorsal aponeurosis and proximal phalanx)
N: deep fibular L5-S1
A: extension of MTP joints of first toe
extensor digitorum brevis
P: calcaneus (dorsal surface)
D: 2nd to 4th toes (at dorsal aponeuroses and bases of the middle phalanges)
N: deep fibular L5-S1
A: Extension of the MTP and PIP joints of
the 2nd to 4th toes
which meniscis is an O shape?
lateral menisci
In what area of the meniscis is the blood supply the greatest?
along the outer edge
Is lateral or medial meniscus most often torn?
medial
what is the most common reason menisci are torn?
ascending portion of squat
how many bursae are in the knee?
9-14
which is stronger; ACL or PCL?
PCL
