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Spinal reflexes

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  • (bq) part 1 book “medical physiology - a systems approach” has contents: general physiological concepts, cells and cellular processes, sensory generator potentials, action potentials, skeletal muscle structure and function, spinal reflexes, autonomic nervous system, cardiac muscle cells,… and other contents.

    pdf389p tieu_vu15 07-09-2018 13 0   Download

  • The peripheral nervous system and reflex activity (part c) provides knowledge of spinal nerves. The goal is for you to learn: Describe the formation of a spinal nerve and the general distribution of its rami; define plexus, name the major plexuses and describe the distribution and function of the peripheral nerves arising from each plexus.

    ppt28p tangtuy07 02-04-2016 33 1   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Quantification of the effects of an alpha-2 adrenergic agonist on reflex properties in spinal cord injury using a system identification technique

    pdf7p panasonic01 12-12-2011 43 4   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Quantification of the effects of an alpha-2 adrenergic agonist on reflex properties in spinal cord injury using a system identification technique

    pdf7p panasonic08 05-01-2012 33 2   Download

  • The neurologic examination includes a search for focal weakness or muscle atrophy, focal reflex changes, diminished sensation in the legs, and signs of spinal cord injury. The examiner should be alert to the possibility of breakaway weakness, defined as fluctuating strength during muscle testing. Breakaway weakness may be due to pain or a combination of pain and underlying true weakness. Breakaway weakness without pain is due to lack of effort. In uncertain cases, electromyography (EMG) can determine whether or not true weakness is present.

    pdf5p ongxaemnumber1 26-11-2010 45 4   Download

  • Degenerative Conditions Lumbar spinal stenosis describes a narrowed lumbar spinal canal. Neurogenic claudication is the usual symptom, consisting of back and buttock or leg pain induced by walking or standing and relieved by sitting. Symptoms in the legs are usually bilateral. Lumbar stenosis, by itself, is frequently asymptomatic, and the correlation between the severity of symptoms and degree of stenosis of the spinal canal is poor. Unlike vascular claudication, symptoms are often provoked by standing without walking.

    pdf5p ongxaemnumber1 26-11-2010 57 3   Download

  • Lower Motor Neuron Weakness This pattern results from disorders of cell bodies of lower motor neurons in the brainstem motor nuclei and the anterior horn of the spinal cord, or from dysfunction of the axons of these neurons as they pass to skeletal muscle (Fig. 232). Weakness is due to a decrease in the number of muscle fibers that can be activated, through a loss of α motor neurons or disruption of their connections to muscle. Loss of γmotor neurons does not cause weakness but decreases tension on the muscle spindles, which decreases muscle tone and attenuates the stretch reflexes...

    pdf5p ongxaemnumber1 29-11-2010 54 3   Download

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