Question

Mr. Ahmadi, an out-of-shape 45-year-old man, was advised by his physician to lose weight and to exercise on a regular basis. He followed his diet faithfully and began to jog daily. One day, while on his morning jog, he heard a snapping sound that was immediately followed by a severe pain in his right lower calf. When his leg was examined, a gap was seen between his swollen upper calf region and his heel, and he was unable to plantar flex that ankle. What do you think happened? Why was the upper part of his calf swollen?

Accepted Answer

Step 1: Identify the anatomical structures involved based on the symptoms. The inability to plantar flex the ankle and the gap between the upper calf and heel suggest an injury to the Achilles tendon, which connects the calf muscles (gastrocnemius and soleus) to the heel bone (calcaneus). Step 2: Understand the mechanism of injury. A snapping sound followed by severe pain during jogging indicates a sudden rupture or tear of the Achilles tendon, which commonly occurs in middle-aged individuals who are not regularly active. Step 3: Explain why the upper part of the calf is swollen. When the Achilles tendon ruptures, the calf muscles lose their attachment to the heel and retract upwards, causing a visible gap and swelling due to muscle retraction and localized bleeding or inflammation. Step 4: Correlate the functional deficit with the injury. Since the Achilles tendon is essential for plantar flexion (pointing the foot downward), its rupture results in the inability to perform this movement, which is why Mr. Ahmadi cannot plantar flex his ankle. Step 5: Summarize the clinical diagnosis. Based on the history, physical findings, and functional loss, the most likely diagnosis is an Achilles tendon rupture with associated muscle retraction and swelling in the upper calf.

비슷한 문제에 대한 검증된 영상 답변:

주요 개념

Achilles Tendon Rupture

Calf Muscle Anatomy and Function

Clinical Signs of Tendon Injury