Foot bones Flashcards
How many (and what type) bones are in the foot?
7 tarsal bones
5 metatarsals
14 phalanges
How do foot bones compare to the bones of the hand?
similar arrangement
less flexibility between bones
more stability
Specifically, how do tarsals compare to carpals?
tarsals are more modified and specialized
What are the 7 tarsal bones? (ps. I count eight…)
Calcaneus (heel) Talus (ankle) Navicular (boat) Cuboid Medial Cuneiform Intermediate Cuneiform Lateral Cuneiform
When do tarsal bones begin to ossify?
before birth
Which tarsal bone has a secondary ossification center?
What feature is it for?
the calcaneus
calcaneal tuberosity
Where is the talus bone likely to be fractured? How?
through the neck
severe dorsal flexion
What is a risk of talus bone fracture?
avascular necrosis to the head of the bone
A hard fall on the heel might cause a comminuted fracture in which bone? How might this fracture be disabling?
The calcaneus
may disrupt the subtalar joint
What are the 5 long bones in the foot?
Metatarsals 1-5 (medial - lateral naming)
Which metatarsal is the longest?
second
which metatarsal is the strongest?
first
Which metatarsal is the largest?
first
Which metatarsal significantly supports body weight?
first
What is the hallux?
the big toe
