What is the different between unfused and fused tetanus?

NAME:                                                                          DATE:

ECE 499/595: Biomedical Engineering & Healthcare Electronics – Fall 2020

Skeletal Muscle Physiology

(50 pts)

  1. Explain the 7 steps inherent of activation of skeletal muscle at the neuromuscular junction shown in the video. (7 pts)
  2. What is the cross-bridge cycle? (5 pts)
  3. a) What is a motor unit?  (3 pts)
  4. b) What are the two distinct ways (list and describe) of controlling the force

produced by a muscle (i.e. motor recruitment strategies)?  (5 pts)

  1. c) What is tetanus? (2 pts)
  2. d) What is the different between unfused and fused tetanus? (3 pts)
  3. e) Is tetanus characteristic of a temporal or spatial recruitment strategy? (2 pts)
  4. a) What does the Henneman’s Size Principle refer to?  (3 pts)
  5. b) How can this principle be applied to understand the different motor unit

recruitment strategies used by sprinters versus marathoners in the video?

(3 pts)

  1. c) Is Henneman’s Size Principle characteristic of a temporal or spatial recruitment strategy? (2 pts)
  2. How can the neural strategies of muscle activation be measured with instrumentation? Describe how this works.  (5 pts)

 

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What is the different between unfused and fused tetanus

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