Random Test 4 Flashcards
Lateral compartment, aka and define…
Evertor compartment
Bounded by the lateral surface of the fibula, the anterior and posterior intermuscular septa, and the deep fascia of the leg
Muscles of the anterior compartment of the leg…name, common innervation, blood supply, and action.
Tibialis anterior, extensor digitorum longus, extensor hallucis longus, and fibularis tertius
Action- dorsiflexion of ankle, extension of toes
Innervation- deep fibular nerve
Blood supply- anterior tibial artery( branch of popliteal artery) (turns into dorsal pedis artery)
Lateral compartment of leg contains
2 muscles- fibularis longus and brevis
The superficial fibular nerve( branch of common fibular nerve) - after supplying the 2 muscles it continues as a cutaneous nerve supplying the skin on the distal part of anterior surface of the leg and all the dorsum of foot
Blood supply from perforating branches of the anterior tibial artery and distally by perforating branches of the fibular artery
Proximal femur bent at an average of 126 degrees…head and neck project superomedially
Angle of inclination
the angle formed between the superimposed longitudinal axis of the head, neck, and greater trochanter of the femur proximally and the transverse axis of the femoral condyles distally, when the femur is viewed along the axis of its shaft; normally, this angle is approximately 12 degrees in females and 7 in males
Torsion angle
Patella is a large…
Sesamoid bone which articulates with the patellar surface of the femur
Medial malleolus is an inferiorly directed…
Projection from the medial side of the tibia
At its distal end, the fibula enlarges to form the ____
Lateral malleolus which helps hold the talus in its socket
Most of the humeral shaft is smoothly rounded, except for a prominent double edged ridge on its posterior aspect called
Linea aspera
Common attachment for sartrious, garcilis, and semitendinosis
Pes anserinus
Plantar muscles
- As a group, function to maintain the arches of the foot during stance
- Assist in transfer of weight from calcaneous to metatarsal heads
- Mostactivein“push-off”
- Dividedinto4layers
1st layer of plantar muscles
• Medially – Abductor hallicus • Centrally – Flexor digitorum brevis • Laterally – Abductor digiti minimi
2nd layer of plantar muscles
- Quadratus plantae
- Lumbricals
- Tendons of flexor digitorum longus
- Tendon of flexor hallicus longus
Arches of foot purpose
- Importantstructuresforshockabsorption
- Increaseweightbearingcapabilities
- Distribute weight across the foot
- “Springboard”forlocomotion
- Allows foot to adapt to changes in terrain
Dynamic support for arch of foot
Tibialis posterior Tibialis anterior Flexor hallucis longus Fibularis longus Intrinsic plantar muscles