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Muscles of the Crus
craniolateral & caudal muscles of the crus
8
Anatomy
Professional
10/03/2011

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Cards

Term
Cranial Tibial M.
Definition
origin: lateral aspect of proximal tibia

termination: plantar base of metatarsal bones 1 & 2

action: flex tarsocrural joint
Term
Long Digital Extensor M.
Definition
origin: extensor fossa of femur

termination: extensor processes of distal phalanges

action: extend genual joint; flex tarsocrural joint; extend digital joints
Term
Lateral Digital Extensor M.
Definition
origin: on and near proximal aspect of the fibula

termination: lateral digits

action: flex the tarsocrural joint; extend the digital joints
Term
Peroneus Longus M.
Definition
origin: on or near lateral collateral ligament of the genual joint

termination: fourth tarsal bone and plantar base of metatarsal bones

action: flex the tarsocrural joint
Term
Gastrocemius M.
Definition
medial & lateral heads

origin: distal caudal femur

termination: tuber calcanei of the calcaneus

action: flex the genual joint; extend the tarsocrural joint

part of common calcanean tendon
Term
Superficial Digital Flexor M.
Definition
origin: lateral supracondylar tuberosity of femur

terminaton: tuber calcanei and bases of middle phalanges

action: flex the genual joint; extend the tarsocrural joint; flex the digital joints

part of common calcanean tendon
Term
Deep Digital Flexor M.
Definition
origin: proximal caudal aspect of the tibia and fibula

termination: flexor tubercle of distal phalanges

action: extend the tarsocrural joint; flex the digital joints
Term
Popliteus M.
Definition
origin: popliteal fossa of the femur

termination: proximal caudal aspect of tibia

action: flex the genual joint
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