Leg and Foot — Flashcards

Flashcard 1: The _____ nerve (L4-S2) provides: - sensory innervation to the dorsum of the foot - motor innervation to the short head of biceps femoris, tibialis anterior, and extensor muscles of the foot.

Answer: common peroneal

Flashcard 2: Disruption of which ligament leads to collapse of medial longitudinal arch and flat foot?_____

Answer: Spring ligament

Flashcard 3: The posterior pillar of the _____ longitudinal arch of the foot is formed by the medial half of the calcaneum

Answer: medial

Flashcard 4: The branch of the _____ artery is the nutrient artery to the tibia.

Answer: posterior tibial

Flashcard 5: The _____ and adductor magnus belongs to the medial compartment of the thigh.

Answer: gracilis

Flashcard 6: Peroneus _____ muscles belongs to the lateral compartment of the leg.

Answer: brevis and longus

Flashcard 7: Attached to the sustentaculum tali are 3 Ligaments: -_____ ligament (anterior surface)-Deltoid ligament (medial surface)-Medial talocalcaneal ligament

Answer: Plantar calcaneonavicular

Flashcard 8: The talocalcaneonavicular joint is a _____ joint.

Answer: ball and socket

Flashcard 9: The structure marked is the _____ ligament.

Answer: lacunar

Flashcard 10: What are the four primary ligaments of the knee joint?

Answer: 1. Anterior Cruciate Ligament (ACL) 2. Posterior Cruciate Ligament (PCL) 3. Medial Collateral Ligament (MCL) 4. Lateral Collateral Ligament (LCL)

Extra: The ACL and PCL provide anteroposterior stability and are located within the joint capsule (intra-articular). The MCL and LCL provide mediolateral (valgus/varus) stability and are located on the medial and lateral aspects of the joint, respectively.