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The Achilles tendon or calcaneal tendon is attached to the gastrocnemius and soleus muscles. The Achilles tendon or heel cord, also known as the calcaneal tendon, is a tendon at the back of the lower leg, and is the thickest in the human body. [1][2][3][4][5][6][excessive citations] It serves to attach the plantaris, gastrocnemius (calf) and ...
The ankle jerk reflex, also known as the Achilles reflex, occurs when the Achilles tendon is tapped while the foot is dorsiflexed. It is a type of stretch reflex that tests the function of the gastrocnemius muscle and the nerve that supplies it. A positive result would be the jerking of the foot towards its plantar surface.
Achilles tendinitis. Achilles tendinitis, also known as Achilles tendinopathy, is soreness the Achilles tendon. It is accompanied by alterations in the tendon's structure and mechanical properties. [2] The most common symptoms are pain and swelling around the back of the ankle. [1] The pain is typically worse at the start of exercise and ...
Gastrocnemius muscle. Right leg seen from behind. The gastrocnemius muscle (plural gastrocnemii) is a superficial two-headed muscle that is in the back part of the lower leg of humans. It is located superficial to the soleus in the posterior (back) compartment of the leg. It runs from its two heads just above the knee to the heel, extending ...
Tendon reflex. Tendon reflex (or T-reflex) may refer to: The stretch reflex or muscle stretch reflex (MSR), when the stretch is created by a blow upon a muscle tendon. This is the commonly used definition of the term. [1][2] Albeit a misnomer, in this sense a common example is the standard patellar reflex or knee-jerk response. [3]
The main symptom of an Achilles tendon rupture is the sudden onset of sharp pain in the heel. Additionally, a snap or "pop" may be heard as the tendon breaks. Some people describe the pain as a hit or kick behind the lower leg. There is difficulty walking immediately. It may be difficult to push off or stand on the toes of the injured leg.
Calf (leg) The calf (pl.: calves; Latin: sura) is the back portion of the lower leg in human anatomy. [1] The muscles within the calf correspond to the posterior compartment of the leg. The two largest muscles within this compartment are known together as the calf muscle and attach to the heel via the Achilles tendon.
The function of the reflex is generally thought to be maintaining the muscle at a constant length but the response is often coordinated across multiple muscles and even joints. [1] The older term deep tendon reflex is now criticized as misleading. Tendons have little to do with the response, and some muscles with stretch reflexes have no tendons.