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  2. Humeroulnar joint - Wikipedia

    en.wikipedia.org/wiki/Humeroulnar_joint

    The humeroulnar joint (ulnohumeral or trochlear joint [1]) is part of the elbow-joint. It is composed of two bones, the humerus and ulna, and is the junction between the trochlear notch of ulna and the trochlea of humerus. [1] It is classified as a simple hinge-joint, which allows for movements of flexion, extension and circumduction.

  3. List of extensors of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_extensors_of_the...

    In anatomy, extension is a movement of a joint that increases the angle between two bones or body surfaces at a joint. Extension usually results in straightening of the bones or body surfaces involved. For example, extension is produced by extending the flexed (bent) elbow. Straightening of the arm would require extension at the elbow joint.

  4. Anatomical terms of motion - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of_motion

    Flexion and extension are movements that affect the angle between two parts of the body. These terms come from the Latin words with the same meaning. [a] Flexion is a bending movement that decreases the angle between a segment and its proximal segment. [9] For example, bending the elbow, or clenching a hand into a fist, are examples of flexion ...

  5. Grandma of 12 Breaks World Record by Doing 1,575 Push-Ups in ...

    www.aol.com/grandma-12-breaks-world-record...

    Each rep had to be performed at a "90-degree elbow flexion at the bottom of the push-up, with full extension of the arm when pushing up," according to Guinness World Records.

  6. Elbow - Wikipedia

    en.wikipedia.org/wiki/Elbow

    The range of movement in the elbow is from 0 degrees of elbow extension to 150 degrees of elbow flexion. [19] Muscles contributing to function are all flexion (biceps brachii, brachialis, and brachioradialis) and extension muscles (triceps and anconeus).

  7. List of flexors of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_flexors_of_the...

    In anatomy, flexor is a muscle that contracts to perform flexion (from the Latin verb flectere, to bend), [1] a movement that decreases the angle between the bones converging at a joint. For example, one's elbow joint flexes when one brings their hand closer to the shoulder , thus decreasing the angle between the upper arm and the forearm .

  8. Brachioradialis - Wikipedia

    en.wikipedia.org/wiki/Brachioradialis

    The brachioradialis flexes the forearm at the elbow, especially when quick movement is required and when a weight is lifted during slow flexion of the forearm. The muscle is used to stabilize the elbow during rapid flexion and extension while in a midposition, such as in hammering.

  9. Trochlea of humerus - Wikipedia

    en.wikipedia.org/wiki/Trochlea_of_humerus

    During elbow flexion, the vertical anterior part of the trochlea keeps the upper arm and forearm aligned (when viewed in front). During elbow extension, however, the oblique posterior part makes contact with the trochlear notch on the ulna so that this obliquity forces the main axis of the forearm to form a small angle with that of the upper arm.

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