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  2. Range of motion (exercise machine) - Wikipedia

    en.wikipedia.org/wiki/Range_of_Motion_(exercise...

    When passive range of motion is applied, the joint of an individual receiving exercise is completely relaxed. At the same time, the outside force moves the body part, such as a leg or arm, throughout the available range. Injury, surgery, or immobilization of a joint may affect the normal joint range of motion. [7] Active range of motion is the ...

  3. Range of motion - Wikipedia

    en.wikipedia.org/wiki/Range_of_motion

    Range of motion (or ROM) is the linear or angular distance that a moving object may normally travel while properly attached to another.. In biomechanics and strength training, ROM refers to the angular distance and direction a joint can move between the flexed position and the extended position. [1]

  4. Straight leg raise - Wikipedia

    en.wikipedia.org/wiki/Straight_leg_raise

    The straight leg raise is a test that can be performed during a physical examination, with the leg being lifted actively by the patient or passively by the clinician. If the straight leg raise is done actively by the patient, it is a test of functional leg strength, particularly the rectus femoris element of the quadriceps (checking both hip flexion and knee extension strength simultaneously).

  5. Human leg - Wikipedia

    en.wikipedia.org/wiki/Human_leg

    Flexibility can be simply defined as the available range of motion (ROM) provided by a specific joint or group of joints. [37] For the most part, exercises that increase flexibility are performed with intentions to boost overall muscle length, reduce the risks of injury and to potentially improve muscular performance in physical activity. [38]

  6. Leg raise - Wikipedia

    en.wikipedia.org/wiki/Leg_raise

    Extending the knee joint (often called a straight leg raise) [4] increases the demands of leverage on both hip and spine flexors. It also allows the rectus femoris muscle to contribute, for both the supine straight leg raise and the hanging straight leg raise versions, although the muscle will be in active insufficiency in the latter case.

  7. Inverse dynamics - Wikipedia

    en.wikipedia.org/wiki/Inverse_dynamics

    Inverse dynamics is an inverse problem.It commonly refers to either inverse rigid body dynamics or inverse structural dynamics.Inverse rigid-body dynamics is a method for computing forces and/or moments of force (torques) based on the kinematics (motion) of a body and the body's inertial properties (mass and moment of inertia).

  8. 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

  9. Weston cell - Wikipedia

    en.wikipedia.org/wiki/Weston_cell

    The Weston cell or Weston standard cell is a wet-chemical cell that produces a highly stable voltage suitable as a laboratory standard for calibration of voltmeters. Invented by Edward Weston in 1893, it was adopted as the International Standard for EMF from 1911 until superseded by the Josephson voltage standard in 1990.