Crash Course Anatomy & Physiology Season 1 episode 22 (2015)

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Hank calls in a friend to do his push ups for him today to explain how skeletal muscles work together to create and reverse movements. Hank and Claire also demonstrate the role size plays in motor units, the three phase cycle of muscle twitches, and how the strength and frequency of an impulse affects the strength and duration of a contraction. This episode also explains twitch summation, tetanus, and isotonic vs. isometric movements.

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  • verified Status: Returning Series
  • person By: Hank Green
  • calendar_month Release Date: 2015-06-15
  • video_camera_front Companies Complexly
  • tag Season: Season 1
  • timer Episode Runtime: 10 Mins
  • star Rating: 0 / 10
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