Which structure cushions the calcaneal tendon from the calcaneus?

Which structure cushions the calcaneal tendon from the calcaneus?

• A. Calcaneal bursa
• B. Subtendinous bursa
• C. Trochanteric bursa
• D. Plantar fascia

Answer: (A)

A bursa between a tendon and a bone serves as a cushion to reduce friction as the tendon slides. In the heel, the Achilles (calcaneal) tendon sits against the calcaneus, and the calcaneal bursa lies between them. This bursa absorbs pressure and allows smooth movement of the tendon during walking or running. The other choices are not located between the tendon and heel bone: the trochanteric bursa is at the hip region, the plantar fascia is on the bottom of the foot, and subtendinous bursae in this context don’t specifically describe the cushioning between the Achilles tendon and the calcaneus. So the calcaneal bursa best fits the function described.

A bursa between a tendon and a bone serves as a cushion to reduce friction as the tendon slides. In the heel, the Achilles (calcaneal) tendon sits against the calcaneus, and the calcaneal bursa lies between them. This bursa absorbs pressure and allows smooth movement of the tendon during walking or running. The other choices are not located between the tendon and heel bone: the trochanteric bursa is at the hip region, the plantar fascia is on the bottom of the foot, and subtendinous bursae in this context don’t specifically describe the cushioning between the Achilles tendon and the calcaneus. So the calcaneal bursa best fits the function described.