Anatomy of the Knee Joint

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What is the function of the Medial Longitudinal Arch?

Keeping the foot in a flat position

Elastic propulsion of the foot during walking and running (correct)

Forming the lateral longitudinal arch

Supporting body weight in standing

What type of joint is the knee joint?

synovial hinge

modified hinge joint (correct)

cartilaginous joint

synovial ball-and-socket joint

What keeps the Lateral Longitudinal Arch in position?

Plantar aponeurosis, long and short plantar ligaments (correct)

Peroneus longus and flexor digitorum longus

Tibialis posterior and flexor hallucis longus

Spring ligament and deltoid ligament

What forms the Transverse Arch?

Bases of the metatarsal bones, cuboid, and 3 cuniforms Signup and view all the answers

What structure replaces the anterior wall of the fibrous capsule of the knee joint?

Tendon of quadriceps femoris muscle Signup and view all the answers

What is the function of the Lateral Longitudinal Arch?

Supporting body weight in standing Signup and view all the answers

What ligament extends from the lateral epicondyle of the femur to the head of fibula?

Fibular collateral ligament Signup and view all the answers

What separates the fibular collateral ligament from the lateral meniscus?

Tendon of popliteus muscle Signup and view all the answers

What is the shape of the bones in the Medial Longitudinal Arch?

Arched Signup and view all the answers

Which muscle supports the Lateral Longitudinal Arch?

Peroneus longus Signup and view all the answers

Which meniscus is more fixed than the other?

Medial meniscus Signup and view all the answers

What structure lines the fibrous capsule and all the intra-articular structures except the bony articular surfaces?

Synovial membrane Signup and view all the answers

How many muscles support the lateral longitudinal arch?

1 Signup and view all the answers

Which muscle inserts into the base of the proximal phalanx of the big toe?

Extensor hallucis brevis Signup and view all the answers

Which nerve supplies the extensor digitorum brevis muscle?

Anterior tibial nerve Signup and view all the answers

How many layers are there in the sole of the foot?

4 Signup and view all the answers

Which muscle is mediated by the medial plantar nerve?

1st lumbrical muscle Signup and view all the answers

What is the function of the extensor digitorum brevis muscle?

Extension of the metacarpo-phalangeal and inter-phalangeal joints Signup and view all the answers

What is the function of the anterior cruciate ligament?

To prevent hyperextension of the knee Signup and view all the answers

Which ligament is an expansion from the tendon of insertion of the semimembranosus muscle?

Oblique popliteal ligament Signup and view all the answers

What is the shape of the medial meniscus?

C-shaped Signup and view all the answers

Which meniscus is more liable to be injured?

Medial meniscus Signup and view all the answers

What is the function of the posterior cruciate ligament?

To prevent posterior dislocation of the tibia during flexion Signup and view all the answers

What is the function of the menisci?

To act as a shock absorber Signup and view all the answers

Which nerve provides innervation to the skin of the medial part of the sole and plantar surface of the medial 3 ½ toes?

Medial plantar nerve Signup and view all the answers

What is the attachment site of the superior extensor retinaculum?

Between the anterior borders of the tibia and fibula Signup and view all the answers

Which structure passes deep to the inferior extensor retinaculum?

Tendon of tibialis anterior and extensor hallucis longus Signup and view all the answers

What is the shape of the inferior extensor retinaculum?

Y-shaped band Signup and view all the answers

Which nerve is NOT a structure that passes deep to the superior extensor retinaculum?

Sural nerve Signup and view all the answers

What is the attachment site of the superior peroneal retinaculum?

Behind the lateral malleolus Signup and view all the answers