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Using a back extension bench (hyperextension bench) There are two varieties of back extension benches depending upon the angle that they support your lower body, the 45 degrees and 90 degrees back extension bench. The 90 degrees bench is also called a Roman chair. Here the body lies horizontally where the full range of motion is experienced.
Flexion and extension describe the basic ways your body moves at its joints. Here's what that means for your workouts and training.
"put your heel onto your bottom" to test knee flexion. Place your hand over the knee and then the hip joints feeling for crepitus as the patient moves these joints. Now test internal rotation of the hip with the knee joint flexed to 90 degrees (moving the foot laterally with the knee flexed causes internal rotation of the hip joint - early OA ...
The Beighton score is an edited version of the Carter/Wilkinson scoring system which was used for many years as an indicator of widespread hyper-mobility. Medical professionals varied in their interpretations of the results; some accepting as low as 1/9 and some 4/9 as a diagnosis of HMS.
Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury. It occurs when one set of muscles becomes incapacitated while the opposing set is not, and an external stimulus such as pain causes the working set of muscles to contract. [1] The posturing may also occur without a stimulus.
The McKenzie protocol also now includes flexion protocols and stresses the importance of differentiating whether flexion or extension improves patient's symptoms. As a result, McKenzie principles are used by many physical therapists in the treatment of low back pain, whereas Williams Exercises are no longer taught as a physical therapy protocol.
Involuntary extension of the "normal" leg occurs when flexing the contralateral leg against resistance. To perform the test, the examiner should hold one hand under the heel of the "normal" limb and ask the patient to flex the contralateral hip against resistance (while the patient is supine), asking the patient to keep the weak leg straight while raising it.
A diagram illustrating crossed extensor reflex. The crossed extensor reflex or crossed extensor response or crossed extension reflex is a reflex in which the contralateral limb compensates for loss of support when the ipsilateral limb withdraws from painful stimulus in a withdrawal reflex. [1]