L8.2 - Foot, bones and muscles

Question 1

What part of the calcaneus sustains weight of talus?

Answer 1

Sustentaculum tali

Question 2

Tarsal bones - list them from lateral to medial, proximal to distal

Answer 2

Calcaneus, Talus
Cuboid, Navicular
Cuneiforms (3)

Question 3

BS of Talus

Answer 3

Dosalis pedis, fibular, posterior tibial

Question 4

Once Anterior tibialis artery passes extensor retinaculum, name changes into?

Answer 4

Dosalis pedis

Question 5

Tarsal coalition

Answer 5

Fusion of navicular and talus - may lead to limited motion and pain

Question 6

What prevents opposition or precision in foot

Answer 6

Deep plantar metatarsal ligament links all volar plates together

Question 7

Hallux valgus

Answer 7

Halix is positioned laterally from wearing tight shoes (asian culture)

Question 8

Claw Toes

Answer 8

Women in high heel shoes lead to FDL not doing it’s job and eventually shortened, leading to flexed toes - hence lumbricals cannot function and all longitutinally orientated muscles impacted

Question 9

List two muscles in the foot that goes in transverse plane in the plantar surface

Answer 9

One part of Adductor hallucis and fibularis longus

Question 10

Weight on feet during

• Standing
• Walking
• Running
• Jumping

Answer 10

1 x body weight
1.25
2
5

Question 11

What does the longtiudinal arch of the foot do?

Answer 11

Dissipate weight

Question 12

What part of talus allows for DF/PF

Answer 12

Trochlea

Question 13

March fracture

Answer 13

Fracture of 2nd MT

Question 14

How does the 5th MT get fractured?

Answer 14

2 muscles (everters) attaching to that space, leading to avulsion

Question 15

What travels through cuboid tuberosity?

Answer 15

Peroneal longus muscle