Lec 23 - Bones and Joints of the Ankle and Foot Flashcards
How many bones are in the ankle and foot?
7 tarsals
5 metatarsals
14 phalanges
total: 26
Tarsals are ___ bones
short
Name the tarsal bones
talus calcaneus navicular cuboid medial/1st cuneiform intermediate/2nd cuneiform lateral/3rd cuneiform
Cuboid is ____ to calcaneus
anterior
With what does the trochlea of the talus articulate?
Name the joint that it forms
with the tibia and fibula to form the talocrural joint
What is the function of the body of the talus?
transfer weight from the tibia to the calcaneus
Where does the head of the talus articulate?
posterior aspect of the navicular
Which is the largest and strongest bone in the foot?
calcaneus
What is the function of the calcaneus?
transmit body weight from talus to the ground
what is the calcaneal tuberosity?
posterior projection of the calcaneus
Name the tubercles on the inferior surface of the calcaneal tuberosity
anterior tubercle, medial tubercle, lateral tubercle
The sustenaculum tali protudes from the ____ aspect of the calcaneus
medial
What is the function of the sustenaculum tali?
supports part of the talus
TRUE OR FALSE:
Metatarsal bones are short bones
FALSE
Long bones
What are the components of the metatarsal bones?
base, shaft, head