12 Questions
What type of joints are the metatarsophalangeal joints?
Spheroid joints
What is the range of extension for the 1st metatarsophalangeal joint?
80 degrees
What is the main function of the ligaments and muscles that stabilize the interphalangeal joints?
To provide an effective lever arm function of the foot
Which of the following bones does not contribute to the medial longitudinal arch of the foot?
Cuboid
What is the highest point of the medial longitudinal arch?
15-18 mm from the floor
What is the main purpose of the arches of the foot being raised by the support of ligaments and muscles?
To make the foot rigid enough to support body weight
How many bones are present in the foot and ankle?
26
What type of joint is the talocrural joint?
Ginglymus (hinge) joint
What is the primary motion occurring at the subtalar joint?
Supination and pronation
What is the function of the ligaments connecting the backfoot to the midfoot?
Increase the stability of the foot
During subtalar pronation, what happens to the tibia and talus?
They rotate internally
What is the function of the tarsometatarsal (Lisfranc) joint?
Connects the midfoot to the forefoot
Test your knowledge on the biomechanics of the foot and ankle, including the structures, functions, and joints involved in movement. Explore the complexities of the 26 bones, 30 synovial joints, ligaments, and muscles that make up these vital structures.
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