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基本照護與舒適 · HARD · MCQ

下列何者屬於「等長運動(Isometric exercise)」的範例?

Which of the following is an example of an isometric exercise?

  • AWalking on a treadmill
    在跑步機上行走
  • BLifting light weights
    舉輕重量啞鈴
  • CDoing push-ups
    做伏地挺身
  • DContracting and holding abdominal muscles✓ 正解
    收縮並保持腹部肌肉緊張
Explanation · 中文詳解

運動形式依據肌肉收縮方式分為等長(Isometric)、等張(Isotonic)與等速(Isokinetic)運動。等長運動的核心在於肌肉進行收縮,但肌肉長度不變,且關節角度沒有改變。這種運動適合無法進行劇烈關節活動的病人,如長期臥床者進行肌肉強化。臨床上,護理師應區分不同運動對血流動力學的影響,等長運動可能導致短暫的血壓升高(Valsalva效應),需提醒高血壓病人注意。

Isometric exercises involve muscle contraction without joint movement or changes in muscle length, making them suitable for patients with limited mobility. Nurses must monitor these clients closely, as isometric contractions can trigger the Valsalva maneuver, leading to transient increases in blood pressure.

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