Final: Chapter 11 Flashcards
2 phases of walking
Stance and swing phase
How many bones are in each foot?
26 bones
2 posterior tendons behind mallelous
Fibularis brevis and fibularis longus
3 tendons behind medial malleolus?
Tibilais posterior
Flexor digitorium longus
Flexor hallusci longus
(Tom, dick and Harry)
What kind of joint is tibiofibular?
amphiarthrodial
High ankle sprain
inversion sprain of syndesmois joint
Most common injury
Ankle sprians
Most common muscle sprains
posterior talofibular, anterior talofribular and calcaenofibular
If the ankle is sprained what ligament is affected?
Deltoid ligament
3 movements that make up ankle pronation
ankle dorsi, subtalar eversion and forefoot abduction
3 movements that make up ankle supination
plantar flex, subtalar inversion, forefoot adduction
Gastrocnemius:
O: post condyles of femur
I: post calcaneus (Achilles tendon)
N: tibial
A: plantar flex, flex knee
Soleus
O: prox. 2/3 of fibula and fibula
I: post calcaneus (Achilles tendon)
N: tibial
A: plantar flex
Fibularis Longus:
O: head of fibula and prox. 2/3
I: medial cureiform and 1st MT base
N: superficial branch of common fibular
A: eversion and plantar flex
Fibularis Brevis:
O: distal 2/3 of fibula
I: styloid process of base of 5th metatarsal
N: superficial branch of common fibular
A: eversion and plantar flex
Fibularis Tertius
O: distal 1/3 fibula
I: base of 5th MT (styloid)
N: deep br of common fibular
A: eversion and dorsiflexion
Extensor Dig Longus
O: head of fibula, and prox. 2/3 of fibula
I: middle and distal phalanges (2-5)
N: deep br. Of common fibular
A: dorsiflexion and extends the toes
Ext Hallocis Longus:
O: middle 2/3 of fibula
I: base of distal phalynx ( 1st toe)
N: deep br. Of common fibular
A: extend 1st toe and dorsiflexion
Tibilais Anterior
O: upper 2/3 of tibia
I: medial cuneiform and base of 1st MT
N: deep branch of common fibular
A: dorsiflexion and inversion
Tibialis Posterior
O: prox. 1/2 of interrosis membrane and tib/fib
I: cuneiforms, navicular and bases of MT 2-5
N: tibial nerve
A: plantar flex and inversion
Flexor Digitorum Longus:
O: middle 1/3 of tibia
I: base of distal phalanges 2-5
N: tibial
A: Flex 4 toes and plantar flexion
FHL:
O: middle 2/3 of fibula
I: base of distal phalynx
N: tibial
A: flexed 1st toe, plantar flex
1st layer of ankle muscles
Abductor Hallucis
Flexor Digitorium Brevis
Abductor Dig Min
2nd layer of ankle muscles
Quadratus plantae
All lumbricals minus 1
3rd layer of ankle
Flexor hallucis brevis,
Adductor hallucis
Flexor digiti minimi
4th layer of ankle
dorsal interossei and plantar interossei
Muscles involved in plantar flexion
Gastrocnemius, soleus, flexors, peroneus fib longus and brevis, plantaris
muscles involved in inversion
tibialis anterior/ posterior fkexor digitorium longus and flexor hallucis longus
Muscles involved in eversion
peroneus longus, peroneus brevis, peroneus tertitus, extensor digitorum longus
muscles for dorsiflexion
tibialis anterior, peroneus tertius, extensor digitorium longus, extensor hallucis longus
Tibial nerves innervates which muscles?
Gastro, Soleus, Tib post
FDL
FHL
Medial plantar nerve innervates which muscles?
Abductor hallucis
FHB
Lumbricals: 1st
FDB
Lateral plantar nerve innervates which muscles?
Add H QP Lumbricals 2, 3, 4 Dorsal int Plantar inter ADM FDM
superficial branch of common fibular innervates which muscles?
Fibularis longus
Fibularis brevis
deep branch of common fibular
Tib anterior Extensor HL Ext hall longus Peroneus tertus Extensor digitorium brevis
