How many bones are in the foot? correct answers 26
Phalanges(14) correct answers -called digits of the foot
-named starting medially(starting w/great toe)
-has a head (distal end), body/shaft, base (proximal end)
Metatarsals(5) correct answers -called the instep of the foot
-named medially to laterally
-distal,middle,proximal
-heads of metatarsals are known as the ball
tarsals (7) correct answers ankle bones
how many sections divides the foot? correct answers 3
forefoot
midfoot
hindfoot
forefoot consists of correct answers metatarsals and phalanges
midfoot consists of correct answers cuboid, navicular, 3 cuneiforms
hindfoot consists of correct answers talus and calcaneus
what are the 2 major arches of the foot? correct answers Transverse arch
,Longitudinal arch
what position best demonstrates the two arches? correct answers lateral standing/weight bearing
longitudinal arch correct answers -heads of the metatarsals to the calcaneus (Front to back)
-shock absorb-er, permits smooth walking.
transverse arch correct answers goes from side to side, formed by the bases of the metatarsals
and helps supports longitudinal arch
dorsum/dorsum pedis/dorsal correct answers superior and anterior surface of the foot
plantar/volar correct answers posterior and inferior surface of the foot
hammer toes correct answers A flexion deformity of the distal interphalangeal joint of the toes.
great toe/halux correct answers 1st digit
Calcaneus (Os Calcis) correct answers -largest and strongest bone
-heel bone
calcaneus tuberosity correct answers -located on posterior inferior surface
-attachment site for Achilles tendon
calcaneus facets correct answers -has (3) facets
superior facet
middle facet
, posterior facet
-smooth surface for articulations on superior aspect of calcaneus
calcaneal sulcus correct answers groove between the middle and posterior facets
The superior portion of the calcaneus contains a groove called the calcaneal sulcus. The inferior
portion of the talus contains a matching groove called the sulcus tali. Collectively, these two
sulci form the: correct answers sinus tarsi
sustentaculum tali correct answers -a prominence/ridge on the calcaneus that extends outward on
the middle facet.
-on x-ray it will show up very white due to thickness and density
talus(astragalus) correct answers most superior tarsal
2nd largest tarsal
Navicular (Scaphoid) correct answers -just anterior to the talus
-located medially on the foot
-anterior from the navicular are the cuneiform's
-posterior from the navicular is the talus
cuboid correct answers -square in shape
-lateral side of foot
-next to external cuneiform
articulates with 4th & 5th bases of metatarsals
cuneiforms (medial, intermediate, lateral) correct answers -lie @ central & medial aspect of foot
-they are posterior to 1st,2nd & 3rd metatarsals