Kinesiology 1080A/B Lecture Notes - Lecture 2: Amyotrophic Lateral Sclerosis, Nerve Conduction Velocity, Luigi Galvani

• School: Western University
• Department: Kinesiology
• Course: Kinesiology 1080A/B
• Professor: Matthew Heath

Document Summary

Pns: ans, sympathetic- fight or flight, parasympathetic- rest and digest, sns, sensory information, proprioception: knowing where your feet are, proprioceptors are muscle spindles. Cere(cid:271)ral (cid:272)orte(cid:454) is the (cid:862)(cid:271)ig (cid:271)oss(cid:863), it tells e(cid:448)er(cid:455)o(cid:374)e else (cid:449)he(cid:374) to do a(cid:374)d (cid:449)he(cid:374) to do it. Cerebral cortex has direct connection to the spinal cord. Thalamus, basal ganglia, pons and cerebellum is the second in command. Luigi galvani (1737-1798: animal electricity, bioelectricity, unexpected discovery, we have neurons, charged scalpel touched ciatic nerve. Neuron: building block of the cns: the axon terminals interface with a muscle fibre, neuron + muscle fibre is the alfa motor neuron. Speed of nerve conduction (summary: hel(cid:373)ohotz (cid:894)(cid:1005)85(cid:1004)"s(cid:895) Disease of the nerve influenced nerve conduction: a(cid:373)(cid:455)otrophi(cid:272) lateral (cid:272)lerosis (cid:894)al (cid:895) also k(cid:374)o(cid:449)(cid:374) as lou gehrig"s disease, 2. Disease of the myelin influences conduction speed: multiple sclerosis (destroys the myelin in patched along the cns) Motor (efferent) neurons: transit motor commands down the spinal cord (-top down)