Gastrocnemius
Origin: Medial Head: posterior surface of medial femoral cocndyle
Lateral Head: Posterior surface of lateral femoral condyle
Gastrocnemius
Insertion: Posterior calcaneus through achilles tendon
Soleus
Origin: Posterior surface of proximal fibula
proximal 2/3 of posterior tibial surface
Soleus
Insertion: Posterior calcaneus by achilles tendon
Peroneus Longus
Origin: head and upper 2/3 of lateral fibula
Peroneus Longus
Insertion: Undersurface of medial cuneiform and first metatarsal
Peroneus Brevis
Origin: mid to lower 2/3 of lateral surface of fibula
Peroneus brevis
Insertion: Tuberosity of base of fifth metatarsal
Peroneus Tertius
Origin: distal 1/3 of anterior fibula
Personeus Tertius
Insertion: Superior aspect of base of fifth metatarsal
Extensor Digitorum Longus
Origin: lateral condyle of tibia
head of fibula
Upper two-thirds of anterior fibula
Extensor Digitorum Longus
Insertion: The top of middle and distal phalanxes 2-5
Tibialis Anterior
Origin: Upper two thirds of lateral surface of tibia
Tibialis Anterior
Insertions: Inner surface of medial cuneiform
Base of first metatarsal
Tibialis Posterior
Origin: Posterior surface of tibia and fibula at the interosseous membrane
Tibialis Posterior
Insertion: Inferior surface of navicular, uniform, and cuboid bones
Base of 2-4 metatarsal bones
Flexor Digitorum Longus
Origin: middle 1/3 of posterior tibia
Flexor Digitorum Longus
Insertion: Base of distal phalanx on toes 2-5 on plantar surface
Gastromecius and soleus
Two muscles that make of the calf muscle
rectus femoris, vastus lateralis, vastus intermedius, vastus medialis
4 muscles that make up the quadriceps
Adductor brevis, Adductor longus, Adductor magnus, gracilis
4 muscles that make up hip adductors
semitendinosus, semimembranosus, biceps femoris
3 muscles that make up the hamstrings
what muscles do tibial nerve (posterior) innervate in the ankle?
posterior tibialis, flexor digitorum longus, flexor hallucis longus,
gastrocnemius, and soleus, flexor hallucis brevis
what muscles do the deep peroneal nerves (anterior ) innervate in the ankle?
tibialis anterior, extensor hallucis longus, and extensor digitorum longus
what muscles the superficial nerve (lateral) innervate in the ankle?
peroneus longus/brevis
what does "TOM DICK AND NEVER HARRY" mean?
TOM: posterior tibialis tendon
DICK: flexor digitorum longus
AND: posterior tibialis artery
NEVER: posterior tibialis nerve
HARRY: flexor hallucis longus
what muscles perform PF of the ankle?
gastrocnemius and soleus
what muscles insert in to the calcaneus via calcaneal tendon
"achilles tendon"?
gastrocnemius and soleus and plantaris
what is the origin of gastroc?
femur condyles (posterior)
what is the origin of the soleus?
soleal line, proximal posterior surface of tibia and posterior aspect
of head of fibula
what is the O, I, A of flexor hallucis longus?
O:posterior fibula
I: distal phalanx of 1st toe (big toe)
A: 1st to flexion, PF and INV
what is the O, I, A of flexor digitorum longus?
O: middle posterior surface of the tibia
I: distal 2-5th phalanx
A: flex toes 2-5 , ankle PF and INV
what is the O, I, A of tibialis posterior?
O: proximal posterior tibia, proximal fibula and interosseous membrane
I: navicular, cuneiforms, cuboid, and bases of 2-4th metatarsals
A: INV, ankle PF
what is the O and A of plantaris?
O: lateral condyle of femur
A: weak ankl (talocrural) PF and knee flexion
what is the O, I, A of tibialis anterior?
O: lateral condyle of tibia, proximal, lateral surface of tibia and
interosseous membrane
I: medial cunieform and base of 1st metatarsal
A: DF and ankle INV
what is the O, I, A of extensor hallucis longus?
O: mid anterior fibula (surface) and interosseous membrane
I: distal 1st phalange
A: 1st toe extension, DF of ankle
what is the O, I, A of extensor digitorum longus?
O: proximal anterior shaft of fibula and interosseous membrane
I: middle and distal 2nd-5th phalanges
A: DF, 2-5th toe extensions
what is the O, I, A of peroneus brevis?
O: distal lateral fibula
I: tuberosity of 5th metatarsal
A: EV
what is the O, I, A of peroneus longus?
O: head of fibula and proximal lateral fibula
I: base of 1st metatarsal and medial cuneiform
A: EV
what muscles perform the action of ankle DF?
#NAME?
what muscles perform the action of ankle inversion?
#NAME?
what muscles perform the action of external rotation?
#NAME?
what motion does the subtalar joint perform?
inversion and eversion
what motion does the talocrural joint perform?
DF and PF
what is the fulcrum, MA, and SA of ankle DF and PF?
fucrum: lateral malluelous
MA: 5th metatarsal
SA: line with head of fibula
what is the fulcrum, MA, and SA of ankle inversion and eversion?
fulcrum: head of tarsal
MA: 2nd metatarsal
SA: tibial tuberosity
what is the normal degree for PF and DF according to AAOS?
PF: 50 degrees
DF: 20 degrees
what is the normal degree of inversion and eversion according to AAOS?
inversion: 35 degrees
eversion: 15 degrees