Muscles Ch. 13 by Justin Caldwell https://padlet.com/justcald/y1rd011dobbhe1dy Made with a quick smile en-us 2020-10-01 16:32:50 UTC 2025-05-22 19:03:05 UTC hello@padlet.com Autonomic Control justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795380873 Reflexes: visceral(body),


Integration:
Spinal: urination, defecation

Cranial: organs (stomach, heart, lungs)


]]> 2020-10-01 16:34:49 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795380873 Somatic control justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795386161 Integration: skeletal muscles


Function: movement, stretch


]]> 2020-10-01 16:35:57 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795386161 Proprioceptors justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795393673 Muscle tendons: muscle spindles  
Golgi Tendons: free nerve endings
Joint Receptors: joint capsules and ligaments ]]> 2020-10-01 16:37:31 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795393673 Muscle spindle components justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795434651 2020-10-01 16:46:24 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795434651 Extrafusal fibers justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795436978 alpha motor neurons: stretch receptor activation 

Problem: compresses loses ability to detect stretch 

]]> 2020-10-01 16:46:56 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795436978 Muscle spindle reflex justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795439060 1.




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4.]]> 2020-10-01 16:47:25 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795439060 justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795445279 2020-10-01 16:48:45 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795445279 Voluntary Muscle contraction justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795448803 2020-10-01 16:49:30 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795448803 Alpha Gamma coactivation justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795457129 They contract extrafusal fibers to develop force, shape of receptive area

]]> 2020-10-01 16:51:12 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795457129 Golgi tendon Organ justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795462053 receptive to tension in tendons
Why both? Maintain appropriate tension! ]]> 2020-10-01 16:52:14 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795462053 Reflex movement sensory information and integration justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795468826 Types: knee jerk (patellar); flexion reflex (or withdrawal); crossed extensor reflex
Integrated: Spinal or Brainstem 
Sensory Info: Does not require integration in the cortex(cerebral) ]]> 2020-10-01 16:53:43 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795468826 Voluntary Movement components (3 detailed) justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795481714 Planning: Prefrontal Cortex and Motor association unit consider appropriate movement 


Initiating: Motor cortex to brainstem initiating action of specific motor units


Executing:  Brainstem to spinal cord direct motor neuron influence ]]> 2020-10-01 16:56:31 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795481714 Voluntary Movement Pathways justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795485858 2020-10-01 16:57:25 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795485858 Kinds of voluntary movement justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795494362 2020-10-01 16:59:02 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795494362 justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795765843 2020-10-01 17:55:02 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795765843 Upper motor neurons justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795829146 integrated with CNS and PNS
Spastic paralysis: con-contracting paralysis, lack of a signal to the muscles ]]> 2020-10-01 18:08:29 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795829146 Lower motor neurons justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795830312 Integrated at the muscle
flaccid paralysis: non-contracting paralysis , lack of stimulus by the alpha motor neuron]]> 2020-10-01 18:08:44 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795830312 justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795957013 2020-10-01 18:38:01 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795957013 Cerebellum justcald https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795974326 Helps coordinate fluid movement, and keep balance. Involuntary and active in initiating and executing]]> 2020-10-01 18:42:13 UTC https://padlet.com/justcald/y1rd011dobbhe1dy/wish/795974326