Which term is used for physical activity done by a patient during Activity of Daily Living (ADL)?

Appeared in: GMCH - 2015

Explanation

Isotonic exercise is defined by muscle contraction that causes the muscle to shorten and lengthen, resulting in active movement.
Activities of Daily Living (ADLs) such as walking, bathing, dressing, and eating inherently involve this type of dynamic muscle work and joint motion.
Therefore, the movements performed during ADLs are correctly classified as isotonic exercises.
These activities are crucial for maintaining muscle mass, tone, strength, and joint mobility in patients.

Option B: Isometric exercise involves muscle contraction without any change in muscle length or joint movement. ADLs are dynamic and involve movement.
Option C: Isokinetic exercise involves muscle contraction against resistance at a constant speed. This requires specialized, often computerized, equipment not used in daily living.
Option D: Endurance exercise (or aerobic exercise) is defined by its effect on the cardiovascular system—sustained activity that increases heart and breathing rates. While ADLs require some endurance, 'isotonic' specifically describes the type of muscle contraction.

Clinical Relevance

Nursing practice connection: Use the key finding related to Classification of exercise based on muscle activity to guide bedside assessment, documentation, and the next nursing action.
Nurses encourage patients to perform ADLs independently as much as possible to maintain their isotonic muscle strength, prevent muscle atrophy, and promote functional independence.
For bedridden patients, nurses can implement active or passive range-of-motion exercises, which are forms of isotonic exercise, to prevent joint contractures and circulatory problems.
What if? If a patient has a fractured limb in a cast, the nurse would encourage isometric exercises for the immobilized muscles to prevent atrophy, while the patient performs isotonic exercises (ADLs) with their other limbs.

How to Approach the Question

First, analyze the core concept of the question: 'Activity of Daily Living (ADL)'. Recall or define what ADLs entail (e.g., eating, bathing, dressing, walking).
Notice that all these activities involve active movement and moving your joints.
Next, review the definitions of the four exercise types provided in the options.
Isotonic exercise involves muscle shortening and active movement.
Isometric exercise involves muscle contraction without movement.
Isokinetic exercise involves constant speed against resistance, usually with a machine.

Concept Tested & Keywords

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E6 Nursing Fundamentals Taylor p. 314-316

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