Arches of the Foot

Question 1

Inversion of the subtalar joint

Answer 1

EHL
TA
TP
FDL
FHL
Gastroc
Soleus
Plantaris

Question 2

eversion of the subtalar joint

Answer 2

EDL
FT
FB
FL

Question 3

arch support: shape

Answer 3

wedge shaped with a central keystone

Question 4

arch support: staples

Answer 4

connection between individual segment(s)

Question 5

tie beam arch support

Answer 5

connects the ends (spans the ends)

resist axial compression by preventing separation of the pillars

Question 6

suspension arch support

Answer 6

supports that suspend the arch from above

Question 7

Medial longitudinal arch support

Answer 7

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

Question 8

Lateral longitudinal arch support

Answer 8

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

Question 9

Transverse arch support

Answer 9

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

Question 10

pes cavus

Answer 10

high arch

Question 11

pes planus

Answer 11

flat foot