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Questions and Answers
What is defined as the maximal force generated in a single contraction at a specified velocity?
What is defined as the maximal force generated in a single contraction at a specified velocity?
What is the ability of a muscle group to exert submaximal force for extended periods?
What is the ability of a muscle group to exert submaximal force for extended periods?
When there is no visible movement at the joint, the contraction is called?
When there is no visible movement at the joint, the contraction is called?
How long should a client squeeze the handle of a dynamometer during a grip endurance test?
How long should a client squeeze the handle of a dynamometer during a grip endurance test?
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The V-sit test can be used to assess the isometric endurance of the?
The V-sit test can be used to assess the isometric endurance of the?
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What is the purpose of the side bridge test?
What is the purpose of the side bridge test?
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Which of the following is NOT a disadvantage of using free weights for testing dynamic muscle strength?
Which of the following is NOT a disadvantage of using free weights for testing dynamic muscle strength?
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Which of the following is NOT a tip from the NSCA for spotting free weight exercise?
Which of the following is NOT a tip from the NSCA for spotting free weight exercise?
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In dynamic exercise, which term describes a contraction where the muscle shortens while generating force?
In dynamic exercise, which term describes a contraction where the muscle shortens while generating force?
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Which test evaluates the flexibility and strength of the hip flexors?
Which test evaluates the flexibility and strength of the hip flexors?
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What does the ACSM recommend for assessing upper body strength?
What does the ACSM recommend for assessing upper body strength?
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Which exercise is recommended by ACSM for lower body strength assessment?
Which exercise is recommended by ACSM for lower body strength assessment?
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What is the recommended increase in weight for upper body exercises during 1-RM testing?
What is the recommended increase in weight for upper body exercises during 1-RM testing?
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Which test does the ACSM recommend for assessing upper-body endurance?
Which test does the ACSM recommend for assessing upper-body endurance?
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The difference in strength between the right and left sides of the body should ideally not exceed what percentage?
The difference in strength between the right and left sides of the body should ideally not exceed what percentage?
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What test is included in the Senior Fitness Test battery for assessing lower-body strength?
What test is included in the Senior Fitness Test battery for assessing lower-body strength?
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What is the procedure recommended for 1-RM testing of children?
What is the procedure recommended for 1-RM testing of children?
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For lower-body exercises, what weight increase is recommended during 1-RM testing?
For lower-body exercises, what weight increase is recommended during 1-RM testing?
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What is the key focus of the Sahrmann Core Stability Test?
What is the key focus of the Sahrmann Core Stability Test?
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What is the ACSM's recommendation regarding the acceptable strength difference between limbs?
What is the ACSM's recommendation regarding the acceptable strength difference between limbs?
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Study Notes
Muscle Contraction and Endurance
- Maximal force in a single contraction at a specified velocity is termed muscular power.
- The ability of a muscle group to exert submaximal force over extended time is known as muscular endurance.
- When there is no joint movement during a contraction, it is referred to as an isometric contraction.
Grip and Core Endurance Tests
- For a grip endurance test with a dynamometer, the handle should be squeezed for 1 minute.
- The V-sit test assesses the isometric endurance of trunk flexors.
- The side bridge test evaluates the isometric endurance of lateral flexors.
Free Weights and Strength Testing
- Disadvantage of testing dynamic muscle strength with free weights includes needing greater spotting for safety; however, free weights do not have smaller accurate weight increments.
- Tips for spotting include using a power rack for overhead exercises and maintaining a stable base, while being weaker or shorter than the client is not permissible.
Strength Assessment Recommendations
- The American College of Sports Medicine endorses the bench press for upper body and the leg press for lower body strength assessments.
- During 1-RM testing, recommended weight increases are 5-10% for upper body and 10-20% for lower body exercises.
- For upper body endurance, the ACSM suggests using the push-up test.
Core Stability and Balance
- The Sahrmann Core Stability Test requires movements while maintaining lumbopelvic stability in a neutral position.
- Strength differences between the right and left body sides should not exceed 15%.
- The Senior Fitness Test for older adults includes the biceps curl for upper body strength and the 30-second chair stand for lower body strength.
1-RM Testing in Children
- For 1-RM testing in children, guidelines recommend performing 6 reps with a light load and 3 with a heavier load prior to testing, stressing the importance of safety in strength assessments.
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Description
Test your knowledge on key concepts in muscle physiology, including definitions and differences between strength, endurance, and contraction types. This quiz covers fundamental terms that are essential for understanding how muscles function in various scenarios.
