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  2. Screen tearing - Wikipedia

    en.wikipedia.org/wiki/Screen_tearing

    That can be caused by non-matching refresh rates, and the tear line then moves as the phase difference changes (with speed proportional to the difference of frame rates). It can also occur simply from a lack of synchronization between two equal frame rates, and the tear line is then at a fixed location that corresponds to the phase difference.

  3. Strain (injury) - Wikipedia

    en.wikipedia.org/wiki/Strain_(injury)

    A strain is an acute or chronic soft tissue injury that occurs to a muscle, tendon, or both. The equivalent injury to a ligament is a sprain. [1] Generally, the muscle or tendon overstretches and partially tears, under more physical stress than it can withstand, often from a sudden increase in duration, intensity, or frequency of an activity.

  4. Soft tissue injury - Wikipedia

    en.wikipedia.org/wiki/Soft_tissue_injury

    A strain is a type of acute injury that occurs to the muscle or tendon. Similar to sprains, it can vary in severity, from a stretching of the muscle or tendon to a complete tear of the tendon from the muscle. Some of the most common places that strains occur are in the foot, back of the leg (hamstring), or back. [2]

  5. Sprains, strains and ACL tears. What to know about some of ...

    www.aol.com/news/sprains-strains-acl-tears-know...

    Hamstring pulls, ligament tears and ankle sprains can be as formidable an opponent for NFL teams as a high-scoring offense or stingy defense. “There’s a 100% injury rate in the NFL,” seven ...

  6. Pulled hamstring - Wikipedia

    en.wikipedia.org/wiki/Pulled_hamstring

    The study further explains that hamstring strains represented 15% of all injuries per club per season also had a 34% chance of recurrence. [4] Another study showed that a previous hamstring injury is one of the most cited risks for future injury, with as many as one-third of active individuals experiencing a re-injury within 2 weeks of ...

  7. Quadriceps tendon - Wikipedia

    en.wikipedia.org/wiki/Quadriceps_tendon

    Injuries are common to this tendon, with tears, either partial or complete, being the most common. If the quadriceps tendon is completely torn, surgery will be required to regain function of the knee. [2] Without the quadriceps tendon, the knee cannot extend.

  8. Quadriceps - Wikipedia

    en.wikipedia.org/wiki/Quadriceps

    The quadriceps femoris muscle (/ ˈ k w ɒ d r ɪ s ɛ p s ˈ f ɛ m ər ɪ s /, also called the quadriceps extensor, quadriceps or quads) is a large muscle group that includes the four prevailing muscles on the front of the thigh.

  9. Sprain - Wikipedia

    en.wikipedia.org/wiki/Sprain

    A sprain is a soft tissue injury of the ligaments within a joint, often caused by a sudden movement abruptly forcing the joint to exceed its functional range of motion.. Ligaments are tough, inelastic fibers made of collagen that connect two or more bones to form a joint and are important for joint stability and proprioception, which is the body's sense of limb position and movem