The arches of the foot

Question 1

Arches are maintained (supported) by:

Answer 1

the shape of the interlocking bones
the ligaments
the fascia (25% of the static, weight-bearing foot)
the action of the muscles

Question 2

Medial Longitudinal Arch

Answer 2

bones: calcaneus, talus, navicular, 3 cuneiforms, metatarsals 1-3
this arch does not normally come in contact with the ground

Question 3

Lateral Longitudinal Arch

Answer 3

bones: calcaneus, cuboid, metatarsals 4, 5

more likely to touch ground

Question 4

Transverse Arch

Answer 4

involves the whole length of the foot
the anterior portion: head of the 1st MT to the head of the 5th MT
the middle portion: cuneiform #1 to cuboid
the posterior portion: navicular to cuboid

Question 5

plantar fascia

Answer 5

plantar aponeurosis

Question 6

plantar fascia

Answer 6

attaches: medial calcaneal tubercle ⬄ proximal phalanx of each toe