Muscle Exercises: Types and Characteristics
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Questions and Answers

What characterizes isotonic exercise?

  • Muscle contraction is only isometric
  • Muscle lengthening prevents tension development
  • Muscle contraction occurs against a constant or variable load (correct)
  • Muscle contraction without any change in length

What type of muscle contraction occurs during concentric exercise?

  • No movement around the joint
  • Relaxation of the muscle without tension
  • Overall shortening of the muscle as it generates tension (correct)
  • Lengthening of the muscle against resistance

Which of the following describes eccentric exercise?

  • The muscle shows no tension development
  • The muscle shortens while controlling motion
  • The muscle remains static with no movement
  • The muscle lengthens while developing tension (correct)

In which situation is isometric exercise primarily used?

<p>During rehabilitation with joint pain or restrictions (B)</p> Signup and view all the answers

What is a key difference between concentric and eccentric exercises?

<p>Eccentric exercises lead to muscle lengthening while controlling resistance. (B)</p> Signup and view all the answers

What constitutes one complete repetition of the dumbbell shoulder press?

<p>Pressing and lowering dumbbells back to shoulders (B)</p> Signup and view all the answers

What is defined as a group of consecutive repetitions without resting?

<p>Set (C)</p> Signup and view all the answers

Which factor can improve muscular endurance?

<p>Using mild resistance for many repetitions (D)</p> Signup and view all the answers

Which statement about muscular strength is true?

<p>It measures maximum force during a single contraction. (A)</p> Signup and view all the answers

What does muscular power refer to in terms of physical activity?

<p>The rate of performing work or work divided by time (A)</p> Signup and view all the answers

What characterizes active resisted resistance exercise?

<p>It includes the application of an external load to a muscle's contraction. (A)</p> Signup and view all the answers

During recovery or rest intervals, what is the primary purpose?

<p>To allow muscles to recover before the next set (C)</p> Signup and view all the answers

Which outcome is least likely to be included in a rehab plan focusing on exercise?

<p>Increased muscular power (A)</p> Signup and view all the answers

What is a key characteristic of isometric strength gains over a six-week period?

<p>Strength gains occur at a rate of approximately 5% per week. (D)</p> Signup and view all the answers

Which type of isometric exercise is designed to help develop postural stability?

<p>Stabilization (B)</p> Signup and view all the answers

What is a primary function of muscle-setting exercises?

<p>To decrease muscular pain and promote relaxation. (C)</p> Signup and view all the answers

Why are multiple angle exercises used in strength training?

<p>They help improve strength throughout the range of motion. (B)</p> Signup and view all the answers

Which statement about isometric contractions is true?

<p>They do not increase strength except in very weak muscles. (B)</p> Signup and view all the answers

What defines isokinetic exercise?

<p>Exercise performed at a constant speed with variable resistance. (B)</p> Signup and view all the answers

Which type of exercise is characterized by the distal segment of a limb moving freely in space?

<p>Open Kinematic Chain Exercise (B)</p> Signup and view all the answers

In what scenario is isometric exercise particularly helpful?

<p>To maintain neuromuscular pathways during nerve injuries. (D)</p> Signup and view all the answers

What does the term '1 Repetition Maximum (1RM)' refer to?

<p>The maximum weight a person can lift for one repetition (B)</p> Signup and view all the answers

Which group should start with lower percentage loads in a resistance training program?

<p>Sedentary, untrained individuals (D)</p> Signup and view all the answers

What is the range of percentage loads recommended for trained individuals during resistance training?

<p>70 – 80% (A)</p> Signup and view all the answers

Which maneuver should be avoided during resistance exercise due to cardiovascular precautions?

<p>Valsalva maneuver (A)</p> Signup and view all the answers

What is the purpose of starting with low loads of 30%-50% in resistance training?

<p>To ensure safety and learn correct exercise form (B)</p> Signup and view all the answers

What training category should individuals with significant deficits in muscle strength focus on?

<p>Low loads 30 – 50% (B)</p> Signup and view all the answers

For which population is a high training load of 70% - 80% recommended?

<p>Trained individuals (A)</p> Signup and view all the answers

Which of the following statements regarding resistance exercise is accurate?

<p>Improving functional capabilities often involves resistance exercise. (A)</p> Signup and view all the answers

What consequence can overwork or overtraining have on muscular strength?

<p>It can lead to temporary or permanent deterioration of strength. (B)</p> Signup and view all the answers

Which of the following factors is associated with an increased risk of osteoporosis?

<p>Post-menopausal status in women. (A)</p> Signup and view all the answers

How can overwork be effectively avoided during an exercise program?

<p>By closely monitoring intensity, duration, and progression of exercise. (A)</p> Signup and view all the answers

What should be avoided in exercise programming for patients with osteoporosis?

<p>Explosive, twisting movements. (D)</p> Signup and view all the answers

In the context of substitute motions, what can happen when too much resistance is applied to a contracting muscle?

<p>The patient may lose good form during the exercise. (B)</p> Signup and view all the answers

Which of the following is NOT a measure to decrease the risk of overtraining?

<p>Exercising to total fatigue frequently. (C)</p> Signup and view all the answers

What is a common outcome when a patient with weak muscles attempts to perform movements?

<p>They may utilize substitute motions to compensate. (A)</p> Signup and view all the answers

What role does calcium intake play regarding osteoporosis risk?

<p>Low calcium contributes to bone deterioration. (B)</p> Signup and view all the answers

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