Muscular System: Contraction of Whole Muscle
Muscular System: Contraction of Whole Muscle
1. Which of the following contract in an all-or-none fashion?
a. whole muscle b. single muscle fiber
2. The development of tension in a muscle, in response to a stimulus above threshold, is called a/an _______________________________.
3. Identify the three phases of a muscle twitch from the following definitions:
1. Sarcomeres shorten _______________________________
2. Sarcomeres return to resting length _______________________________
3. Sarcomeres at resting length _______________________________
4. a. Temporal summation results from:
___________________________________________________________________________
b. In temporal summation, you must ______ (↑ or () the time interval between stimuli.
5. Below is a list of the four phases of temporal summation. Put them in the correct order and describe each stage.
|Order |Stage |Description |
| |Fatigue | |
| |Incomplete tetanus | |
| |Treppe | |
| |Complete tetanus | |
6. In the Motor Unit Summation section, how many motor units were required to lift the weights when:
a. the weight was 160? ______________________
b. the weight was 80? _______________________
7. In the next lab simulation, what was:
a. the threshold stimulus? ______ V
b. voltage when recruitment was obvious? ______ V
c. voltage when all motor units were recruited? ______ V
8. a. In the Length-Tension Relationship experiment, at what degree of stretch was the maximum tension developed? _______________________________
b. What would congestive heart failure be an example of? _______________________________
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related searches
- benefits of whole life insurance
- benefits of whole life
- duchenne muscular dystrophy type of genetic disorder
- muscular system organs and functions
- muscular system parts
- muscular system facts
- muscular system leg organs
- muscular system facts for kids
- how does the muscular system work
- human anatomy muscular system diagram
- what does muscular system do
- muscular system fun facts