Crash Course: Anatomy & Physiology background

Crash Course: Anatomy & Physiology

Season 1 Episode 22: Muscles Part 2: Organismal Level

Jun 15, 2015NR10m9.1

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.

Season 1 Episodes:

Info about Crash Course: Anatomy & Physiology

Current Status: Returning Series

Network: YouTube

Production Country: United States

Genres:Documentary