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7 wrz 2024 · Learn the definitions and examples of anatomical terms of movement, such as flexion, extension, abduction, adduction, rotation, and more. Extension is a movement that increases the angle between two body parts, such as the elbow or the knee.
Extension is a type of body movement that increases the angle between two parts at a joint, such as the elbow or knee. Learn more about extension, its opposite (flexion), and related terms in anatomy and physiology.
Extension – straightening a joint. This occurs when the angle of a joint increases, for example, at the elbow when putting a shot.
For the thumb, extension moves the thumb away from the palm of the hand, within the same plane as the palm, while flexion brings the thumb back against the index finger or into the palm. These motions take place at the first carpometacarpal joint.
Extension is a movement that increases the angle between two body parts or surfaces across a joint. Learn the definition, examples and opposite of extension in human anatomy with e-Anatomy, an online platform for medical education.
In this anatomy lesion, I’m going to demonstrate flexion and extension, which are body movement terms that either decrease or increase the angle between two structures or joints, bringing them closer together or moving them further apart.
Flexion and extension movements are seen at the hinge, condyloid, saddle, and ball-and-socket joints of the limbs (see Figure 9.12a-d). Hyperextension is the abnormal or excessive extension of a joint beyond its normal range of motion, thus resulting in injury.
