51B. CN has asked about high ankle sprains that involve the interosseous membran

Question

51B.

CN has asked about high ankle sprains that involve the interosseous membrane between the tibia and fibula. Choose the true statement about this joint.

During various sporting events that CN watched with his family and friends on television, he had heard "high ankle sprains" being discussed. He wondered if this was what he had, although he wasn't exactly sure what the term meant. Dr. Young was glad to discuss high ankle sprains with this young athlete. While he talked, the doctor squeezed CN's leg just above the ankle joint. No pain was elicited by this maneuver. CN did not have any discomfort either when the doctor rolled his foot so that the sole was facing away from his other foot. However, CN did have some minor discomfort around the lateral ankle when the doctor moved his foot so that the sole was facing inward toward his other foot.

Dr. Young explained that a high ankle sprain involved the connective tissue that provided structural support for the ankle joint. The interosseous membrane, as this connective tissue was called, was another type of joint found in the body. Fortunately, CN likely did not have this type of injury; otherwise he would most likely have had pain when his lower leg was squeezed and his foot was externally rotated.

CN has asked about high ankle sprains that involve the interosseous membrane between the tibia and fibula. Choose the true statement about this joint.

a. This joint is a syndesmosis, which allows for a limited amount of motion. b. The interosseous membrane does not permit any movement, so it is an example of a synarthrosis. c. The interosseous membrane is a type of suture. d. This joint is an example of a gomphosis, as it provides a limited amount of movement.

Explanation / Answer

a, isthe correct statement of the above description

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