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The asymmetrical tonic neck reflex (ATNR) is a primitive reflex found in newborn humans that normally vanishes around 6 months of age. It is also known as the bow and arrow or "fencing reflex" because of the characteristic position of the infant's arms and head, which resembles that of a fencer. When the face is turned to one side, the arm and ...
Reflex integration is a therapeutic approach designed to identify and integrate persistent primitive reflexes to promote neurological development. Primitive reflexes are automatic movement patterns that emerge during infancy and are typically inhibited by higher brain functions as the nervous system matures.
The symmetrical tonic neck reflex (STNR) is a primitive reflex that normally emerges during the first month of an infant's life and is diminished by the age of 9–10 months. [1] It is a bridging or transitional brainstem reflex that is an important developmental stage and is necessary for a baby to transition from lying on the floor to ...
A list of reflexes in humans. Abdominal reflex; Accommodation reflex — coordinated changes in the vergence, lens shape and pupil size when looking at a distant object after a near object. Acoustic reflex or attenuation reflex — contraction of the stapedius and tensor tympani muscles in the middle ear in response to high sound intensities.
Asymmetry of the Moro reflex is especially useful to note, as it is almost always a feature of root, plexus, or nerve disease. [4] The Moro reflex is impaired or absent in infants with kernicterus. [5] An exaggerated Moro reflex can be seen in infants with severe brain damage that occurred in-utero, including microcephaly and hydranencephaly. [6]
The tonic labyrinthine reflex (TLR) is a primitive reflex found in newborn humans. With this reflex, tilting the head back (extension) while lying on the stomach causes the back to stiffen and even arch backwards, the legs to straighten, stiffen, and push together, the toes to point, the arms to straighten (not bend at the elbows and wrists, and the hands to become fisted or the fingers to curl).
A person with spastic CP will commonly show, in addition to higher muscle tone, persistent primitive reflexes, greater stretch reflexes, plantar reflex, and ankle clonus. [10] A third of people with cerebral palsy have seizures - this is most common in spastic CP. [11] Audiovisual, cognitive compromise and behavioral disorders can occur.
The brachioradialis reflex (also known as supinator reflex) is observed during a neurological exam by striking the brachioradialis tendon (at its insertion at the base of the wrist into the radial styloid process (radial side of wrist around 4 inches (102 mm) proximal to base of thumb)) directly with a reflex hammer when the patient's arm is relaxing.