Osteology of The Foot Flashcards
How many bones are in the foot?
26
How do the 26 bones of the foot divide into the 3 sections?
TARSAL BONES - 7 \+ METATARSAL BONES - 5 \+ PHALANGES - 14
What is the term used for the top of the foot?
DORSAL SURFACE
What is the term used for the bottom of the foot?
PLANTAR SURFACE
Name the 7 tarsal bones?
TALUS \+ CALCANEOUS \+ NAVICULAR \+ CUBOID \+ CUNEIFORMS (3)
What is the name of the spindle-shaped top of the talus?
TROCHLEA
aka
THE DOME OF THE TALUS
The medial aspect of the talus is the ______ for the medial malleolus.
FACET
The lateral aspect of the talus is the facet for the _______ _______.
LATERAL MALLEOLUS
Which portion of the talus is wider -
anterior or posterior?
ANTERIOR TALUS IS WIDER
Which part of the talus is considered the body?
POSTERIOR PORTION
Which part of the talus is considered the head?
ANTERIOR PORTION
The narrowing between the body and head of the talus is called the ______.
NECK
The talus articulates superiorly and proximally with the _______ and _______.
TIBIA
+
FIBULA
The talus sits on which bone?
CALCANEUS
The calcaneus supports the talus with a medially projecting shelf called the __________ _____.
SUSTENTACULUM TALI
Name the largest part of the foot bones, often referred to as the heel bone?
CALCANEUS
What is the name of the bony landmark on the calcaneus which makes contact with the ground?
TUBEROSITY OF THE CALCANEUS
aka
CALCANEAL TUBEROSITY
On each side of the tuberosity of the calcaneus there are small projections (processes) called?
MEDIAL TUBERCLE (PROCESS) \+ LATERAL TUBERCLE (PROCESS)
The medial tubercle is an attachment point for?
_______ _______
PLANTAR FASCIA
The fibular trochlea of the calcaneus is also known as?
_______ _______
PERONEAL TUBERCLE
The peroneal tubercle (fibular trochlea) is located anterior and inferior to?
TIP OF THE LATERAL MALLEOLUS
Name the hollow on the lateral aspect of the foot formed by the groove of the talus and the groove of the calcaneus?
SINUS TARSI
aka
TARSAL SINUS
Which grooved hollow of the foot contains the most sprained ankle ligaments?
SINUS TARSI
aka
TARSAL SINUS
The sinus tarsi is made up of the lateral grooves of which two bones?
TALUS
+
CALCANEUS
There is a groove on the calcaneus for which muscle flexor of which toe?
FLEXOR HALLUCIS LONGUS
BIG TOE FLEXOR
Which bone in the foot is named appropriately for it’s boat-like appearance?
NAVICULAR
Where is the navicular located, and what does it articulate with?
LOCATED MEDIAL ASPECT OF FOOT
+
ARTICULATES WITH TALUS, CUBOID, and 3 CUNEIFORMS
Which bone articulates proximally with the talus, distally with the three cuneiform bones, and laterally with the cuboid?
NAVICULAR
Name the palpable projection on the medial side of the navicular?
NAVICULAR TUBEROSITY
What does the 1st cuneiform articulate with?
1ST METATARSAL leading to BIG TOE aka HALLUCIS
What does the 2nd cuneiform articulate with
2ND METATARSAL
leading to
INDEX TOE
What does the 3rd cuneiform articulate with?
3RD METATARSAL
leading to
MIDDLE TOE
The cuboid is located on the ________ aspect of the foot.
LATERAL
The cuboid articulates with the base of which 2 bones?
4TH METATARSAL
+
5TH METATARSAL
Following the baby toe from the tip to the calcaneus along the lateral side of the foot - name the bones?
3 PHALANGES \+ 5TH METATARSAL \+ CUBOID \+ CALCANEUS
The proximal ends of the metatarsals have a concave articulate portion known as?
BASE
The distal ends of the metatarsals have a rounded articulate portion known as?
HEAD
Name the 2 small plantar bones on the first metatarsal?
SESAMOID BONES
What does sesamoid bone mean?
EMBEDDED IN TENDON
What is the aka for the tuberosity of the 5th metatarsal, located on the lateral side of the base?
________ ________
STYLOID PROCESS
There are 3 phalageal bones per toe except for the?
1ST, THE BIG TOE
aka
HALLUCIS
(ONLY HAS 2 PHALANGES)
How many phalanges are in the big toe (hallucis)?
ONLY 2 PHALANGES
The 2ND - 5TH toes contain how many phalanges each?
3 PHALANGES
The concave articulate proximal ends of the metatarsals and phalanges are known as?
THE BASE
The rounded articulate distal ends of the metatarsals and phalanges are known as?
THE HEAD