topic 18 Flashcards

Topography of the medial and lateral malleolar regions

1
Q

Medial Malleolar Region

A
  • The distal end of the tibia forms the medial malleolus. It is the bony prominence on the inner aspect of the ankle.
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2
Q

ligaments of medial malleolar regions

A

Ligaments:
Deltoid Ligament: A strong, broad ligament connecting the medial malleolus to the talus, calcaneus, and navicular bones. It consists of superficial and deep layers.
Superficial Layer: Includes the tibionavicular, tibiocalcaneal, and posterior tibiotalar ligaments.
Deep Layer: Includes the anterior tibiotalar ligament.

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3
Q

passes ant to medial malleolar

A

Saphenous Nerve: Provides sensory innervation to the medial aspect of the leg and foot.
Great Saphenous Vein: Runs anterior to the medial malleolus and is commonly used for venous access.

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4
Q

passes post. to medial malleolar

A

from anterior to posterior

*Tibialis Posterior Tendon: Supports the arch of the foot.
*Flexor Digitorum Longus Tendon: Flexes the toes.
*Posterior Tibial Artery: Supplies blood to the posterior compartment of the leg and foot.
*Posterior Tibial Vein: Accompanies the posterior tibial artery.
*Tibial Nerve: Provides motor and sensory innervation to the posterior compartment of the leg and the plantar surface of the foot.
*Flexor Hallucis Longus Tendon: Flexes the big toe.

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5
Q

what is lateral malleolar region?

A

Lateral Malleolus: The distal end of the fibula forms the lateral malleolus. It is the bony prominence on the outer aspect of the ankle

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6
Q

ligaments of lateral

A

Ligaments:
Anterior Talofibular Ligament (ATFL): Connects the lateral malleolus to the talus.
Calcaneofibular Ligament (CFL): Connects the lateral malleolus to the calcaneus.
Posterior Talofibular Ligament (PTFL): Connects the lateral malleolus to the talus.

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7
Q

ant to lateral m.

A

Superficial Peroneal (Fibular) Nerve: Provides sensory innervation to the dorsum of the foot and motor innervation to the peroneal muscles.
Small Saphenous Vein: Runs posterior to the lateral malleolus.

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8
Q

post to lat. m.

A

Peroneus (Fibularis) Longus Tendon: Everts and plantarflexes the foot.
Peroneus (Fibularis) Brevis Tendon: Everts the foot.

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