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Arm recoil is a neurological examination of neonate for detecting the muscle tone. [1] [2] ... The greater the tone development ...
Hypotonia is a state of low muscle tone [1] (the amount of tension or resistance to stretch in a muscle), often involving reduced muscle strength. Hypotonia is not a specific medical disorder, but a potential manifestation of many different diseases and disorders that affect motor nerve control by the brain or muscle strength.
Whereas the neurological criteria depend mainly upon muscle tone, the physical ones rely on anatomical changes. The neonate (less than 37 weeks of age) is in a state of physiological hypotonia. This tone increases throughout the fetal growth period, meaning a more premature baby would have a lesser muscle tone. It was developed in 1979. [1]
Disuse atrophy of the muscle occurs i.e., shrinkage of muscle fibre finally replaced by fibrous tissue (fibrous muscle) Other causes include Guillain–Barré syndrome, West Nile fever, C. botulism, polio, and cauda equina syndrome; another common cause of lower motor neuron degeneration is amyotrophic lateral sclerosis.
The afflicted offspring typically show skeletal muscle hypotonia (i.e., poor muscle tone) and weaknesses that are most prominent in head and neck muscles and cause facial diplegia (i.e., paralysis or weakness of the skeletal muscles on both sides of the face), reduced control of swallowing; weak crying, sucking, and chewing; the inability to ...
CMD with brain-eye, also called muscle-eye-brain disease, [19] is a rare form of congenital muscular dystrophy (autosomal recessive disorder) causing a lack of normal muscle tone which can delay walking due to being weak, also paralysis of eye muscles and intellectual disability which affects an individual's way of processing information. [19]
Changes in muscle performance can be broadly described as the upper motor neuron syndrome. These changes vary depending on the site and the extent of the lesion, and may include: Muscle weakness. [2] known as 'pyramidal weakness' Decreased control of active movement, particularly slowness; Spasticity, a velocity-dependent change in muscle tone
Spastic hypertonia involves uncontrollable muscle spasms, stiffening or straightening out of muscles, shock-like contractions of all or part of a group of muscles, and abnormal muscle tone. It is seen in disorders such as cerebral palsy, stroke, and spinal cord injury. Rigidity is a severe state of hypertonia where muscle resistance occurs ...