The nurse explains isometric exercises to the patient on the rehabilitation unit.
Which explanation provided by the nurse is accurate?
"Move your wrist in a circular motion 5 times every hour.”.
"Squeeze your gluteal muscles tightly 3 times every hour.”.
"Lift a 5-pound weight to increase your arm strength.”.
"Bend your knee up to your chest 4 times each day.”. .
The Correct Answer is B
Choice B rationale:
Isometric exercises involve contracting muscles without changing the length of the muscle or joint angle. In this case, squeezing the gluteal muscles tightly constitutes an isometric exercise. Isometric exercises are often used in rehabilitation settings to strengthen specific muscle groups without putting too much strain on the joints.
Choice A rationale:
Option A describes a range of motion exercise involving the wrist, which is not an isometric exercise. Isometric exercises focus on static muscle contractions, not dynamic movements like circular motions.
Choice C rationale:
Lifting a 5-pound weight to increase arm strength involves isotonic exercise, not isometric exercise. Isotonic exercises involve muscle contractions with movement and changing muscle length, unlike isometric exercises, where muscle length remains constant.
Choice D rationale:
Bending the knee up to the chest is an example of a range of motion exercise and does not constitute an isometric exercise. Range of motion exercises involve moving joints through their full extent, but isometric exercises involve static muscle contractions without joint movement.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
No explanation
Correct Answer is C
Explanation
Choice A rationale:
Weight-bearing activities are not suitable for a patient with contractures, as they may worsen joint stiffness and discomfort. Engaging in weight-bearing activities could lead to further limitations in joint mobility and exacerbate the contractures.
Choice B rationale:
Exercises to strengthen flexor muscles might be beneficial in other contexts, but for a patient with contractures, the focus should be on improving joint mobility and preventing the contractures from worsening. Strengthening exercises do not directly address the issue of limited joint mobility caused by contractures.
Choice C rationale:
Range of motion exercises are essential for patients with contractures. These exercises involve moving joints through their full range of motion to maintain or improve joint flexibility. Regularly performing range of motion exercises prevents further tightening of muscles and joints, thereby preventing the worsening of contractures.
Choice D rationale:
Frequent position changes are important to prevent pressure ulcers and maintain overall comfort, but they do not specifically address the issue of contractures. While position changes are necessary, they are not the primary intervention for managing contractures.
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