ANKLE REFLEX Meaning and
Definition
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The ankle reflex, also known as the Achilles reflex or ankle jerk, is a neurological reflex that is elicited by tapping the Achilles tendon. It is a rapid, automatic, and involuntary response of the muscles in the lower leg.
The ankle reflex is a monosynaptic reflex, meaning that it involves only one synapse in the nervous system. When the Achilles tendon is tapped, the sensory receptors in the muscle spindle fibers of the gastrocnemius and soleus muscles are stimulated. These muscle spindles detect changes in muscle length and tension. The sensory information is then transmitted through the sensory nerve fibers to the spinal cord.
Upon reaching the spinal cord, the sensory information is relayed directly to the motor neurons that control the muscles involved in the ankle reflex. The motor neurons send electrical signals back to the muscles, causing a quick contraction and a visible jerk-like movement of the foot. The contraction of the muscles involved in the ankle reflex helps to stabilize the ankle joint and maintain balance.
The ankle reflex is commonly assessed as part of a neurological examination to evaluate the integrity of the peripheral nervous system, specifically the S1 spinal nerve and the associated muscle groups. Deviations from the normal response can provide valuable information about the functionality and condition of the nervous system, aiding in the diagnosis and management of neurological disorders.
Similar spelling words for ANKLE REFLEX
- Reflex Ankle Decreased,
- Reflex, Ankle, Abnormal,
- Reflex Ankle Abnormal,
- Reflex Ankle Absent,
- Reflex, Ankle, Absent,
- ankle jerk reflex,
- Reflex, Ankle, Decreased.
