neck reflex

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• Asymmetrical tonic neck reflex — The asymmetrical tonic neck reflex (ATNR) is a primitive reflex found in newborn humans, but normally vanishes by the child s first birthday. It is also known as the fencing reflex because of the characteristic position of the infant s arms and… …   Wikipedia

• tonic neck reflex — a reflex in the newborn consisting of extension of the upper limb and sometimes the lower limb on the side to which the head is forcibly turned, with flexion of the contralateral limbs; cf. Magnus and de Kleijn neck r s …   Medical dictionary

• asymmetric tonic neck reflex — a primitive reflex that is present from birth but should disappear by six months of age. If the infant is lying on its back and the head is turned to one side, the arm and leg on the side to which the head is turned should straighten, and the arm …   Medical dictionary

• asymmetric tonic neck reflex — a primitive reflex that is present from birth but should disappear by six months of age. If the infant is lying on its back and the head is turned to one side, the arm and leg on the side to which the head is turned should straighten, and the arm …   The new mediacal dictionary

• neck reflexes — reflex adjustments in trunk posture and limb position caused by stimulation of proprioceptors in the neck joints and muscles when the head is turned; this tends to maintain a constant orientation between the head and the body …   Medical dictionary

• Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

• Reflex — For other uses, see Reflex (disambiguation). A reflex action, also known as a reflex, is an involuntary and nearly instantaneous movement in response to a stimulus.[1] A true reflex is a behavior which is mediated via the reflex arc; this does… …   Wikipedia

• Neck (water spirit) — Nix redirects here. For other uses, see Nix (disambiguation). Water sprite redirects here. For the plant, see Ceratopteris thalictroides. See also: Rhinemaidens and Melusine The Rhine maidens warn Siegfried by Arthur Rackham, 1912 …   Wikipedia

• neck righting reflex — rotation of the trunk in the direction in which the head of the supine infant is turned; this reflex is absent or decreased in infants with spasticity …   Medical dictionary

• reflex torticollis — torticollis caused by inflammation or suppuration in the neck, enlarged cervical lymph nodes, or tumor in the tonsil, neck, or pharynx …   Medical dictionary

• Tonic labyrinthine reflex — The tonic labyrinthine reflex (TLR) is a primitive reflex found in newborn humans. With this reflex, tilting the head back while lying on the back causes the back to stiffen and even arch backwards, causes the legs to straighten, stiffen, and… …   Wikipedia