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Questions and Answers
What is incomplete tetanus?
What is incomplete tetanus?
- The degree of wave summation becomes less and less, resulting in no contraction
- When stimulation frequency continues to decrease
- The degree of wave summation becomes greater and greater, progressing to a sustained, but quivering contraction (correct)
- Muscle tension remains constant without any summation
What occurs during complete tetanus?
What occurs during complete tetanus?
Muscle tension increases to maximum tension with all contractions fusing into a smooth, sustained contraction
What is wave summation?
What is wave summation?
When the second twitch of a muscle is stronger than the first
Study Notes
Incomplete Tetanus
- Characterized by increasing wave summation leading to greater tension.
- Results in a sustained contraction that appears quivering or oscillating.
- Key feature is the presence of relaxation periods between twitches.
Complete Tetanus
- Occurs when stimulation frequency is sufficiently high, preventing relaxation.
- Muscle tension reaches its maximum capacity with all individual contractions fusing together.
- Produces a smooth and sustained contraction, often associated with fatigue.
Wave Summation
- Defined as the phenomenon where the second muscle twitch is stronger than the first.
- Results from the increased frequency of stimuli before the muscle has fully relaxed.
- Essential for understanding muscle contraction dynamics and their efficiency in response to stimuli.
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Description
Test your understanding of the concepts of incomplete and complete tetanus in muscle contractions. This quiz covers key definitions and characteristics related to both types of tetanus. Dive into the mechanics of muscle physiology and enhance your knowledge!
