Podiatrist Foot & Ankle Structure 1 — Questions and Answers
Question 1: Which bone is the largest in the foot?
- Talus
- Calcaneus (Correct answer)
- Navicular
- Cuboid
Correct answer: Calcaneus
The calcaneus, or heel bone, is the largest bone in the foot and plays a crucial role in weight-bearing and movement.
Question 2: What is the primary function of the Achilles tendon?
- Flexes the toes
- Attaches the calf muscles to the heel bone (Correct answer)
- Supports the arch of the foot
- Provides blood supply to the foot
Correct answer: Attaches the calf muscles to the heel bone
The Achilles tendon connects the calf muscles to the heel bone and is essential for walking, running, and jumping.
Question 3: Which arch of the foot is the highest and most prominent?
- Transverse arch
- Medial longitudinal arch (Correct answer)
- Lateral longitudinal arch
- Metatarsal arch
Correct answer: Medial longitudinal arch
The medial longitudinal arch is the highest arch of the foot, providing shock absorption and flexibility during movement.
Question 4: Which nerve provides sensation to the sole of the foot?
- Peroneal nerve
- Tibial nerve (Correct answer)
- Femoral nerve
- Radial nerve
Correct answer: Tibial nerve
The tibial nerve branches into the medial and lateral plantar nerves, supplying sensation to the sole of the foot.
Question 5: What is the function of the plantar fascia?
- Connects the toes to the ankle
- Supports the arch and absorbs shock (Correct answer)
- Lubricates the joints in the foot
- Supplies blood to the toes
Correct answer: Supports the arch and absorbs shock
The plantar fascia is a thick band of tissue that supports the arch of the foot and helps absorb shock during movement.
Question 6: Which joint in the ankle allows for dorsiflexion and plantarflexion?
- Subtalar joint
- Talocrural joint (Correct answer)
- Tarsometatarsal joint
- Metatarsophalangeal joint
Correct answer: Talocrural joint
The talocrural joint, formed by the tibia, fibula, and talus, enables dorsiflexion and plantarflexion movements in the ankle.
Which bone is the largest in the foot?