The Leg Flashcards
What shape is the tibia in cross section?
Triangular
What is the name given to bone infection caused by bacteria, affecting long bones of the leg?
Acute osteomyelitis
What does the fibula articulate with superiorly?
The lateral condyle of proximal tibia
Name the fibrous joint that unites the tibia and fibula?
interosseous membrane
What is the function of the interosseous membrane?
site for muscle attachment
What is the aperture at the top of the interosseous membrane for?
anterior tibial vessels
What is the aperture at the lower part of interosseous membrane for?
anterior peroneal (fibular) vessels
What muscles are contained in the anterior compartment of leg?
Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Fibularis tertius
A structure that retain an organ or tissue in place?
Retinaculum
Which muscle is not present in all individuals?
Fibulas tertius muscle
What movement does Fularis terries provide?
Dorsiflexion and eversion of the foot
Which artery supplies the anterior compartment of the leg?
Anterior tibial artery
Which artery originates from the popliteal artery in the posterior compartment of the leg?
Anterior tibial artery
How does the anterior tibial artery pass into the anterior compartment”?
through and aperture in the interosseous membrane
what does anterior tibial artery become on the dorsal foot?
dorsalis pedis artery
What does dorsals pedis artery give rise to?
anterior medial and lateral malleolar arteries
What is the deep fibular nerve a branch of?
the common fibular nerve
what does the deep fibular nerve innervate?
The anterior compartment of the leg
what muscles are in the lateral compartment of the leg?
Fibularis longus
Fibularis brevis
What innervates the lateral compartment of the leg>?
The superficial fibular nerve
What movement does the lateral compartment provide?
Eversion of the foot
What muscles are in the superficial subcompartment of the posterior compartment?
Plantaris
Gastrocnemius
Soleus
Which muscles are in the deep subcompartment of the posterior compartment?
Popliteal
Flexor hallucis longus
Flexor digitorum longus
Tibialis posterior
Where do the muscles of the deep compartment insert?
Calcaneus
What nerve innervates the deep compartment?
Tibial nerve
What are the actions of the deep compartment?
Plantar flex and invert foot
