PARADOXICAL FLEXOR REFLEX Meaning and
Definition
-
The paradoxical flexor reflex is a neurological phenomenon characterized by an unexpected activation of flexor muscles in response to a noxious stimulus. This reflex is considered paradoxical because it goes against the typical reflexive response, where the muscles responsible for a particular movement contract while those opposing it relax. In the case of the paradoxical flexor reflex, the flexor muscles on the same side of the body as the stimulus are activated, causing flexion of the affected limb.
This reflex is often observed in patients with certain neurological conditions, such as spinal cord injuries or lesions affecting the central nervous system. It is also seen in infants before the completion of the myelination process in their nervous system. However, the paradoxical flexor reflex can also occur in healthy individuals under specific circumstances, such as intense pain or stimulation of certain sensory pathways.
The mechanism underlying the paradoxical flexor reflex involves an imbalance of signals within the spinal cord. The inhibitory feedback loop that normally inhibits the flexor muscles is disrupted, resulting in their unintended activation. This abnormal reflexive response can cause pain, muscle spasms, or even involuntary limb movements.
Understanding the paradoxical flexor reflex is crucial for healthcare professionals as it can impact patient management and rehabilitation programs. Therapeutic approaches aimed at reducing the effects of this reflex, such as pharmacological interventions or physical therapy modalities, can help alleviate symptoms and improve a patient's quality of life.
-
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PARADOXICAL FLEXOR REFLEX
