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  2. 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.

  3. Arm recoil - Wikipedia

    en.wikipedia.org/wiki/Arm_Recoil

    How quickly the forearm returns to flexed original position and the amount of flexion will designate a score. [1] Grade 0: Arms remain extended 180 degrees or abnormal movements begin; Grade 1: Minimal flexion, 140-180 degrees; Grade 2: Slight flexion, 110-140 degrees; Grade 3: Moderate flexion, 90-110 degrees

  4. Elbow - Wikipedia

    en.wikipedia.org/wiki/Elbow

    The function of the elbow joint is to extend and flex the arm. [18] 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).

  5. Osborne's ligament - Wikipedia

    en.wikipedia.org/wiki/Osborne's_ligament

    Type Ia: thin; lax when the elbow is extended and becomes taut when the elbow is flexed. Type Ib: thick; taut even when the elbow is not fully flexed (90°–120°). Under both definitions, Osborne's ligament forms the roof of the cubital tunnel, an opening between the muscles through which the ulnar nerve passes. [citation needed]

  6. Isolation Exercises Are Essential to Maximize Your Workout Gains

    www.aol.com/lifestyle/isolation-exercises...

    Your upper arm should be just past 90 degrees, at a 91 or 92 degree angle. Keep your wrists strong and a tight grip on the bar. Lower the weight slowly down to an inch above your forehead, moving ...

  7. Median nerve palsy - Wikipedia

    en.wikipedia.org/wiki/Median_nerve_palsy

    In high median nerve palsy patients, recovery time varies from as early as four months to 2.5 years. Initially, patients are immobilized in a neutral position of the forearm and elbow flexed at 90° in order to prevent further injury. Additionally, gentle exercises and soft tissue massage are applied.

  8. List of human positions - Wikipedia

    en.wikipedia.org/wiki/List_of_human_positions

    The extent of a bow ranges from a simple head nod to a 90degree bending at the waist. Though less common in Western cultures, it remains an important sign of respect in many Eastern cultures, and is also used in the ceremonies of various religions.

  9. 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 .