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68 Cards in this Set
- Front
- Back
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Contents of popliteal fossa
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~popliteal arteries and veins
~tibial and fibular nerve ~Post. Cutaneous nerve ~Popliteal lymph nodes and vessles |
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Ant. Compartment of leg
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~Tibialis Anterior
~Extensor Digitorum Longus ~Extensor Hallucis Longus ~Fibularis Tertius |
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Tibialis Anterior
Proximal |
Lateral condyle and sup. half of lat. surface of tibia and interosseous membrane
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Tibialis Anterior
Distal |
~Medial and inf surface of medial cuneiform
~base of 1st metatarsal |
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Tibialis Anterior
Innervation |
Deep fibular nerve
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Tibialis Anterior
Action |
Dorsiflex ankle and invert foot
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Extensor digitorum longus
Proximal |
~Lat condyle of tibia
~sup 3/4 of medial fibula ~interosseous membrane |
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Extensor digitorum longus
Distal |
Middle and distal phalanges of lat. 4 digits
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Extensor digitorum longus
Innervation |
Deep fibular nerve
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Extensor digitorum longus
Action |
Extends lat 4 digits
Dorsiflexes ankle |
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Extensor Hallicus Longus
Proximal |
~Middle of ant. fibula
~Interosseus membrane |
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Extensor Hallicus Longus
Distal |
Dorsal base of distal phalnx of great toe
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Extensor Hallicus Longus
Innervation |
Deep Fibular nerve
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Extensor Hallicus Longus
Action |
Extend Great toe
Dorsiflex ankle |
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Fibularis Tertius
Proximal |
~Inferior 1/3 of ant. fibula
~Interosseous membrane |
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Fibularis Tertius
Distal |
Dorsum of base of 5th metatarsal
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Fibularis Tertius
Innervation |
Deep fibular nerve
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Fibularis Tertius
Action |
Dorsiflex
Eversion |
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Lateral Compartment of Leg
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Fibularis Longus
Fibularis Brevis |
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Fibularis Longus
Proximal |
~Head of fibula
~sup 2/3 of lat fibula |
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Fibularis Longus
Distal |
~Base of 1st metatarsal
~Medial Cuneiform |
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Fibularis Longus
Innervation |
Superficial fibular nerve
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Fibularis Longus
Action |
Everts foot
Plantar flexes ankle (weak) |
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Fibularis Brevis
Proximal |
Inf. 2/3 of lat surface of fibula
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Fibularis Brevis
Distal |
Dorsal surface of tuberosity on 5th metatarsal
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Fibularis Brevis
Innervation |
Superficial fibular nerve
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Fibularis Brevis
Action |
Evert and weakly plantarflex
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Posterior Compartment of Leg
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1. Castrocnemius
2. Soleus 3. Plantaris 4. Poplitus 5. Flexor Hallucis longus 6. Flexor Digitorum Longus 7. Tibialis Posterior |
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Gastrocnemuis
Proximal |
Lat-lateral aspect of lateral condyle of femur
Med- popliteal surface of femur, sup. to medial condyle |
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Gastrocnemuis
Soleus Plantaris Distal |
Calcaneal tendon
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Gastrocnemuis
Soleus Plantaris Innervation |
Tibial Nerve
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Soleus
Proximal |
Post head of fibula
superior 1/4 of fibular soleal line tibia |
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Soleus
Action |
Plantarflex
Steadies leg on foot |
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Gastrocnemuis
Action |
Plantarflexes w/ knee extended
Flexes knee |
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Plantaris
Proximal |
Inferior end of supracondylar line
oblique popliteal ligament |
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Plantaris
Action |
Weakly assists gastroc in plantarflex
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Popliteus
Proximal |
Lat. Surface of Lat condyle of femur
Lateral Meniscus |
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Popliteus
Distal |
Post surface of tibia
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Popliteus
Flexor Hallicus Longus Flexor Digitorum Longus Tibialis Post. Innervation |
Tibial Nerve
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Popliteus
Action |
Weak Flex knee
Unlocks- rotates femur on fixed tibia Med rotates tibia open-chain |
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Flexor Hallucis Longus
Proximal |
Inf. 2/3 of post fibula
Interosseous membrane |
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Flexor Hallucis Longus
Distal |
Base of distal phalanx of great toe
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Flexor Hallucis Longus
Action |
Flexes great toe at all joints
Supports medial long arches |
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Flexor Digitorum Longus
Proximal |
Medial part of post. tibia
Broad tendon to fibula |
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Flexor Digitorum Longus
Distal |
Base of distal phalanges of lat 4 digits
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Flexor Digitorum Longus
Action |
Flexes lat. 4 digits
Plantarflexes ankle Supports longitudinal arches |
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Tibialis Posterior
Proximal |
Interosseous membrane
Post. surface of tibia below soleal line Post. surface of fibula |
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Tibialis Posterior
Distal |
Tuberosity of navicular
Cuneiform Cuboid Base of 2-4th metatarsal |
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Tibialis Posterior
Action |
Plantarflex Ankle
Invert foot |
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Movement of Fibula
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During Dorsiflexion-
moves up and out |
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Hole in interosseous membrane
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Popliteal vessels become ant tibial artery
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Plantarflexion
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20-50 degrees
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Dorsiflexion
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10-30 degrees
Limited by: ~Boney blocks- neck of talus on tibia ~ligaments |
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Talocrural joint
Bones Movements |
Tibia and maleoli
Fibular maleoli Trochlea of talus Dorse/plantar flexion Mild pronation |
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Ligaments connecting the distal tibia and the lateral malleolus
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Deepen socket of ankle joint
~posterior tibiofibular ~posterior transverse tibiofibular |
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Medial Ligaments of Ankle
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Deltoid Ligament
Taut in Dorsiflexion Supports medial long. arch medial malleolus to the navicular, ant and post. talus, & calcaneous |
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Lateral Ankle Ligaments
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Taut in Dorsiflexion
1. Ant. Talofibular 2. Calcaneofibular 3. Post. Talofibular |
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Most common ankle motion for injury
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Plantarflexion b/c ligaments are slacked
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Tendon outside of Deltoid Ligaments
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TD&H
Posterior Tibialis Flexor Digitorum Longus Tibial Nerve Flexor Hallicus Longus |
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Keystone of medial Arch
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Talus
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Basketball sprain
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Ant. talofibular ligament
-> Calcaneofibular |
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Pott’s fracture
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forced eversion-
pulls on medial ligament which can tear ligament off medial malleolus or breaks the fibula superior to the distal tibiofibular joint. |
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Innervation of Ankle Joint
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Tibial or Deep peroneous nerve
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Blood supply to ankle joint
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Articular branches of the peroneal and posterior tibial arteries.
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Semimembranosus
Distal |
Post. part of medial condyle of tibia
Forms oblique popliteal ligament |
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Semi actions
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flex knee and rot med
Extend thigh |
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Biceps Femoris
Proximal |
Ischial tuberosity
Linea aspera Lateral supracondylar line |
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Biceps Femoris
Distal |
Lat side of fibular head
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