Arches of the Foot

Question 1

Muscles of inversion

Answer 1

• EHL
• TA
• TP
• FDL
• FHL
• Gastroc, Soleus, Plantaris

Question 2

Muscles of eversion

Answer 2

• EDL
• FT
• FB
• FL

Question 3

Arches of the foot

Answer 3

• Transverse arch
• Lateral longitudinal arch
• Medial longitudinal arch

Question 4

Types of arch support

Answer 4

• Shape
• Staples
• Tie beam
• Suspension

Question 5

Arch support shape

Answer 5

• Wedge shaped with a central keystone

Question 6

Staples

Answer 6

• Connections between individual segments

Question 7

Tie beam

Answer 7

• Connects the ends (spans the ends)

- Resists axial compression by preventing separation of the pillars

Question 8

Suspension

Answer 8

• Supports that suspend the arch from above

Question 9

Medial longitudinal arch support

Answer 9

• Bones of the medial arch and ligaments connecting them
• Tibialis anterior
• Tibialis posterior
• Flexor digitorum longus
• Flexor hallucis longus
• Peroneus longus
• Intrinsic foot muscles (Abductor hallucis, FDB, FHB)
• Plantar calcaneonavicular ligament (Spring)
• Medial collateral ligament of ankle (Deltoid)
• Plantar aponeurosis

Question 10

Lateral longitudinal arch support

Answer 10

• Bones of the lateral arch and ligaments connecting them
• Peroneus longus and brevis
• Flexor digitorum longus
• Intrinsic foot muscles (flexor digitorum brevis, abductor digiti minimi)
• Long plantar ligament
• Short plantar ligament
• Plantar aponeurosis

Question 11

Transverse arch support

Answer 11

• Bones of the transverse arch and ligaments connecting them
• Deep transverse metatarsal ligament
• Tibialis posterior
• Peroneus longus
• Adductor hallucis

Question 12

Arch types

Answer 12

• Pes cavus (high arch)
• Normal
• Pes planus (flat foot)