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  2. Ergonomic hazard - Wikipedia

    en.wikipedia.org/wiki/Ergonomic_hazard

    Bending or twisting the torso while lifting heavy objects: This can place excessive stress on the back muscles and spine. Sitting with a hunched back: This posture can strain the neck, shoulders, and back muscles. Reaching overhead or out to the side for extended periods: This can lead to shoulder and neck pain.

  3. Shoulder impingement syndrome - Wikipedia

    en.wikipedia.org/wiki/Shoulder_impingement_syndrome

    The two muscles most commonly inhibited during this first part of an overhead motion are the serratus anterior and the lower trapezius. [10] These two muscles act as a force couple within the glenohumeral joint to properly elevate the acromion process, and if a muscle imbalance exists, shoulder impingement may develop.

  4. What Muscles Are Used in Jumping Jacks? Trainers Break ... - AOL

    www.aol.com/muscles-used-jumping-jacks-trainers...

    "The movement involves the whole body, working muscles in the legs, arms and core," Julom explains. ... Think running, walking and standing on your tiptoes to reach an overhead shelf.

  5. Vacuum exercise - Wikipedia

    en.wikipedia.org/wiki/Vacuum_exercise

    In performing a vacuum (activating the transverse abdominis), one draws one's bellybutton inward, toward the spine. Some perform a vacuum in conjunction with bending over, reaching overhead, or when lifting heavy weights, although the benefit and healthiness of this is disputed (some advocated just tensing the midsection, with primary focus more so on the lower back).

  6. Which Muscles You Use When You Do the Overhead Press - AOL

    www.aol.com/muscles-overhead-press-191200153.html

    The overhead press is a classic strongman exercise, and great for strength training and building muscle, too. ... 800-290-4726 more ways to reach us. Mail. Sign in.

  7. Stop Doing Unproductive Abs Exercises. Train Your Six-Pack ...

    www.aol.com/lifestyle/stop-doing-unproductive...

    800-290-4726 more ways to reach us. Mail. Sign in. Subscriptions; Animals. ... Because of the position of the load and the other muscles involved in the side ... do the overhead Pallof press ...

  8. List of movements of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_movements_of_the...

    Dorsiflexion of the foot: The muscles involved include those of the Anterior compartment of leg, specifically tibialis anterior muscle, extensor hallucis longus muscle, extensor digitorum longus muscle, and peroneus tertius. The range of motion for dorsiflexion indicated in the literature varies from 12.2 [8] to 18 [9] degrees. [10]

  9. Pull-up - Wikipedia

    en.wikipedia.org/wiki/Pull-up

    Muscle activation is significantly different depending on whether the pull-up is completed individually or in a set without resting between repetitions, which is more efficient due to muscle and tendon stretch-shortening rebound. [8] Overhead movements such as pull-ups reduce the subacromial space and create a risk of shoulder impingement ...