ligaments

Question 1

Deltoid - shape and origin

Answer 1

• Medial side of the foot
• strong, triangular
• apex attaching to A&P borders tip medial malleolus

Question 2

Deltoid components

4 ligaments

Answer 2

Deep - Anterior tibiotalar ligament - medial neck&body talus
- Posterior tibiotalar ligament - medial neck&body talus
(both blend with joint capsule)
Superficial - Tibiocalcaneal ligament - continuous attachment from sustentaculum tali
- Tibionavicular ligament - continuous attachment from navicular tuberosity

Question 3

LCL - components

3 ligaments

Answer 3

• Anterior Talofibular ligament - Anterior border lateral malleolus to talar neck
• Posterior Talofibular ligament - Malleolar fossa to lateral posterior tubercle talus
• Calcaneofibular ligament - Tip lateral malleolus to lateral calcaneus behind peroneal tubercle

(all blending with joint capsule) (ALL REINFORCE LATERAL JOINT CAPSULE)

Question 4

Role of collateral ligaments

Answer 4

• Maintaining ankle joint STABILITY

- Controlling ankle joint MOVEMENT