Term
| What two factors of a muscle are influenced by the pattern of fascicle arrangement of a muscle? |
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Definition
| Range of motion and power. |
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Term
| What must happen for a skeletal muscle fiber to contract? |
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Definition
| There muscle fib must receive a a nerve stimulus. |
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Term
| Name the three types of muscle tissue. |
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Definition
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Term
| Name the four most common patterns or arrangement of fascicles within the muscles. Give an example of each. |
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Definition
Parallel- Biceps Brachii
Pennate- Gastrocnemius, Biceps Femoris
Circular- Obicularis Oris/Oculi
Convergent- Pectoralis Major |
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Term
| What are the three phases of muscle contraction? |
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Definition
Latent
Contraction
Relaxation |
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Term
| Four functions of muscles |
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Definition
Generate heat
Maintain posture
Movement
Stabilize joints |
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Term
| What are the three phases of muscle contraction? |
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Definition
Latent
Contraction
Relaxation |
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Term
| The ability of a muscle to shorten when adequate stimulus is received is called.. |
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Definition
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Term
| The two ways that muscles are attached to bones. |
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Definition
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Term
| The Two ways that muscular contractions can me graded |
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Definition
wave summation
motor unit summation |
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Term
| Which division of the nervous system are skeletal muscles stimulated by? |
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Definition
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Term
ENERGY PATHWAY
Slow Acting/Long Duration
Name:
Length:
Source:
Limitations: |
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Definition
Aerobic Respiration
lasts for hours
source- glucose and fatty acids
limitations- O2 debt, glucose/fatty acids availability |
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Term
ENERGY PATHWAY
Very Fast/ Very short duration
Name:
Length:
Source:
Limitations: |
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Definition
Direct Phosphorylation
lasts 10-20 seconds
Source- CP/ATP
Limitations- presence of CP |
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Term
ENERGY PATHWAY
Fast Acting/Short Duration
Name:
Length:
Source:
Limitations: |
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Definition
Anaerobic Respiration
Lasts 30-60 seconds
Source- glucose/glycogen
Limitations- buildup of Lactic Acid; availability of glucose |
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Term
| The muscle tissue which is striated and voluntary |
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Definition
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Term
| What is meant by the phrase "all-or-none response"? |
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Definition
| Muscle fibers contract to the full extent of their ability or not at all. |
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Term
| The muscle tissue that is striated and voluntary |
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Definition
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Term
| The ability of a muscle to receive and respond to a stimulus is called |
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Definition
| excitability/irritability |
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Term
| Consists of a motor neuron and all of the muscle fibers it supplies |
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Definition
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Term
| The ability of a muscle to be stretched or extended is known as |
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Definition
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Term
| the muscle tissue that has no striations and is under involuntary control |
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Definition
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Term
| Muscles that require fine control have ___ motor units, whereas large, weight-bearing muscles have ____ motor units. |
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Definition
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Term
| The ability of a muscle fiber to resume its resting length after it as contracted or has been stretched is known as |
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Definition
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Term
| Four actions within the sliding filament theory of contraction and how it works: |
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Definition
1. Cross bridge attachment
2. Power stroke of "oar" using ATP
3. Cross bridge detachment
4. "Cocking" of myosin head |
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Term
| Sliding filament theory is like.. |
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Definition
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