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Terms in this set (21) Study with Quizlet and memorize flashcards containing terms like Flexion, Extension, Abduction and more.
Study with Quizlet and memorize flashcards containing terms like What are the 2 joint movement categories?, What are the 19 types of joint movement?, Rotation and more.
The movement of the shoulder joint (flexion vs extension, protraction vs retraction)
7 Σεπ 2024 · Protraction & Retraction. Protraction describes the anterolateral movement of the scapula on the thoracic wall that allows the shoulder to move anteriorly. In practice, this is the movement of ‘reaching out’ to something.
20 Ιουλ 2023 · Direction: During flexion, the arm moves anteriorly and upwards (in full flexion). During extension of the arm/shoulder joint (from a flexed position), the arm moves posteriorly and downwards, back to the anatomical position.
For the vertebral column, flexion (anterior flexion) is an anterior (forward) bending of the neck or trunk, while extension involves a posterior-directed motion, such as straightening from a flexed position or bending backward.
In the limbs, flexion decreases the angle between the bones (bending of the joint), while extension increases the angle and straightens the joint. For the upper limb, all anterior motions are flexion and all posterior motions are extension.
