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During the Achilles reflex test, you would expect to see plantar flexion of the foot, where the foot points downwards, in response to tapping the Achilles tendon. This reflex is a protective mechanism that helps maintain posture and balance in the lower extremities.
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Why is the Achilles tendon reflex protective?
The Achilles tendon reflex is designed to prevent overstretching or tearing of the Achilles tendon. When the tendon is stretched, a signal is sent to the spinal cord, causing the calf muscle to contract and pull the foot away from the stretching force. This reflex helps protect the tendon and maintain balance during movements that could potentially cause injury.
What is effector muscle for calcaneal reflex action?
The effector muscle for the calcaneal reflex (also known as the Achilles reflex) is the gastrocnemius muscle in the calf. When the Achilles tendon is tapped, it causes a contraction of the gastrocnemius muscle, resulting in plantar flexion of the foot.
What is the duodenocolic reflex?
The duodenocolic reflex is a gastrocolic reflex that occurs when food enters the duodenum, triggering a reflex response in the colon to promote defecation. This reflex helps facilitate the movement of waste through the digestive system by increasing colonic motility.
Do people have Knee jerk reflex when they sleep?
No, the knee jerk reflex is typically not active during sleep as it requires conscious input from the brain. The reflex is a reaction to a sudden stretching of the muscle, detected by the sensory neurons in the muscle spindle, which then sends a signal to the spinal cord to elicit the reflex. This process is not typically active during deep sleep stages.
What extrinsic eye muscles are controlled during the convergence reflex?
The medial rectus muscles are primarily responsible for the convergence reflex. When focusing on a near object, these muscles contract to rotate both eyes inward, allowing them to converge and maintain single binocular vision.
Do you capitalize Achilles reflex?
Yes, "Achilles reflex" should be capitalized as it refers to a proper noun, which is the name of a specific medical reflex test.
What level of the spinal cord does the Achilles reflex test?
The Achilles reflex is also known as the ankle-jerk reflex. it is controlled by the S1 segment of the spinal chord and occurs when the Achilles tendon is struck with a rubber hammer.
Why is the Achilles reflex important in walking?
science
Achilles reflex protects which 2 muscles?
The Achilles reflex protects the calf muscles, specifically the gastrocnemius and soleus muscles. This reflex is important for maintaining balance and coordination while walking or running.
Why is the Achilles tendon reflex protective?
The Achilles tendon reflex is designed to prevent overstretching or tearing of the Achilles tendon. When the tendon is stretched, a signal is sent to the spinal cord, causing the calf muscle to contract and pull the foot away from the stretching force. This reflex helps protect the tendon and maintain balance during movements that could potentially cause injury.
What is the effector of the Achilles reflex?
gastrocnemius muscle
Achilles tendon when hit with a refelx hammer?
Hitting the Achilles tendon with a reflex hammer can elicit a normal reflex called the Achilles reflex or ankle jerk. This test assesses the integrity of the S1 and S2 nerve roots. A brisk contraction of the calf muscles and a slight plantar flexion of the foot is the normal response.
What is effector muscle for calcaneal reflex action?
The effector muscle for the calcaneal reflex (also known as the Achilles reflex) is the gastrocnemius muscle in the calf. When the Achilles tendon is tapped, it causes a contraction of the gastrocnemius muscle, resulting in plantar flexion of the foot.
Reflexes classified as somatic reflexes include?
A. abdominal reflex B. Achilles jerk D. corneal reflex E. crossed extensor reflex F. gag reflex G. patellar reflex H. plantar reflex
What happens during ankle reflex?
An ankle reflex is when the Achilles tendon is tapped while the foot is stretched out. A positive outcome is when the foot jerks outward. The test is done to determine if S1 and S2[3] nerve roots are in place.
What extrinsic eye muscles control the movement of the eyes during convergence reflex?
Medial Rectus
What is the receptor of the Achilles reflex?
The receptor for the Achilles reflex is the muscle spindle located within the calf muscle (gastrocnemius and soleus muscles). When the Achilles tendon is tapped, it stretches these muscles causing a reflex contraction that is mediated by the spinal nerves.
