V2EX internal rotation

Internal Rotation

定义 Definition

internal rotation(内旋):指关节(常见于肩关节、髋关节等)在运动时向身体中线方向旋转的动作或姿势。例如上臂向内拧、股骨向内转动都可称为内旋。(在不同学科语境中也可指相关的“内旋角度/内旋能力”。)

发音 Pronunciation (IPA)

/ntnl roten/

例句 Examples

She has limited internal rotation in her shoulder.
她的肩关节内旋活动受限。

After the injury, the therapist measured hip internal rotation and noted pain at the end range, which suggested irritation in the joint.
受伤后,治疗师测量了髋关节内旋,并发现终末范围疼痛,这提示关节内可能存在刺激或炎症。

词源 Etymology

internal 来自拉丁语 internus,意为“内部的、内侧的”;rotation 来自拉丁语 rotare(旋转),与 rota(轮子)同源。合起来 internal rotation 字面即“向内的旋转”,在解剖学/运动学中专指“朝身体中线方向”的旋转动作。

相关词 Related Words

文学与著作 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》):在肌骨系统与关节运动学相关章节中常出现该术语。
  • Netter’s Atlas of Human Anatomy(《奈特人体解剖图谱》):在关节动作与肌肉功能说明中使用“internal rotation”。
  • Clinical Orthopaedic Rehabilitation: An Evidence-Based Approach:在肩髋评估与康复训练章节中频繁出现“internal rotation”。
  • ACSM’s Guidelines for Exercise Testing and Prescription:在动作评估、姿势/动作控制与关节活动度相关内容中可能使用该术语。
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