Toes, Foot , & Calcaneus

• 26


  How many bones does the foot consist of?
• 14


  How many bones make up the phalanges?
• 5


  How many bones make up the metatarsals?
• 7


  How many bones make up the tarsals?
• longitudinal, transverse


  The bones of the foot are shaped and joined together to form a series of __?__ and __?__ arches.
• longitudinal


  Which arch functions as a shock absorber to distribute the weight of the body in all directions?
• longitudinal


  Which arch permits smooth walking?
• transverse


  Which arch runs from side to side and assists in supporting the other arch?
• dorsum, dorsal surface


  What are the two names for the superior surface of the foot?
• plantar surface


  What is the inferior, or posterior, aspect of the foot?
• 2


  How many phalanges are in the great toe?
• 3


  How many phalanges do the 2nd-5th toes have?
• distal, proximal


  What are the phalanges of the great toe termed? __?__ and __?__ phalanges.
• proximal, middle, distal


  What are the phalanges of the 2nd-5th toes termed? __?__, __?__, and __?__ phalanges.
• yes


  Does each phalange consist of a body and two expanded articular ends?
• distal head, proximal base


  What are the two expanded articular ends of the phalanges called?
• two


  The metatarsals consist of a body and (two/three?) articular ends.
• base


  What is the expanded proximal end of the metatarsal called?
• head


  What is the small, rounded distal end of the metatarsal called?
• ball


  What do the five metatarsal heads form?
• first


  Which metatarsal is the shortest and thickest?
• second


  Which metatarsal is the longest?
• tuberosity


  What does the base of the fifth metatarsal contain?
• fifth


  Which metatarsal has a tuberosity that is the common site of fractures?
• ap oblique


  Which projection of the foot is the best to see the fracture of the tuberosity on the fifth metatarsal?
• phalanges


  What are the bones of the toes?
• metatarsals


  What are the bones of the instep?
• tarsals


  What are the bones of the ankle?
• calcaneus


  What is the largest and strongest tarsal bone?
• posterior tuberosity


  What do the posterior and inferior portions of the calcaneus contain?
• achilles tendon


  What does the posterior tuberosity of the calcaneus serve as the attachment site for?
• calcaneal sulcus


  What is the groove that is between the middle and posterior talar articular facets?
• calcaneal sulcus


  What groove corresponds to a similar groove on the inferior surface of the talus?
• sinus tarsi


  What do the calcaneal sulcus and similar groove on the inferior surface of the talus form?
• sustentaculum tali


  What is the medial aspect of the calcaneus that extends outward as a shelflife overhang called?
• trochlea


  What does the lateral surface of the calcaneus contain?
• talus


  What is irregular in form and occupies the superiormost position of the foot?
• talus


  What is the second largest tarsal bone?
• tibia, fibula, calcaneus, navicular


  What are the four bones that the talus articulates with?
• trochlear surface


  What is the superior surface of the talus that articulates with the tibia and connects the foot to the leg?