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At the knee joint, most functional activities require up to 120 degrees of knee flexion, rather than the full 135 degrees, however, virtually all functional activities require full knee extension.
Range of Motion Normal Values. Each joint has a normal ROM range of values, while each person has a different amount of ability to achieve it. Below are generally accepted values for a normal ROM for some individual joints as measured in degrees: Table 1. Typical Joint Ranges [1]
16 Αυγ 2023 · Knee flexion is the degree to which you can bend your knee. Knowing your knee flexion limit can help you to assess your range of motion, which may be helpful if you're recovering from an injury or surgery.
13 Ιουν 2016 · If the knee cannot be flexed at least 30 degrees to 40 degrees because of a tight quadriceps mechanism, a controlled Z-lengthening is done of the rectus femoris and vastus intermedius muscles, using six to eight small incisions made with a no. 11 blade.
Flexion contracture of the knee presents postural deviations in the three cardinal planes of the body, as a rule. In the sagittal plane there is the predominant flexion position and the usual posterior subluxation of the tibia on the femur.
The Importance of Knee Flexion. Knee flexion is important is because it is the primary determinant of what you can do. For example, you must be able to bend your leg so your feet are underneath a chair to stand up from the chair without using the chair’s arms. Range of Motion and Edema
A flexion deformity of the knee is the inability to fully straighten or extend the knee, also known as flexion contracture. Normal active range of motion (AROM) of the knee is 0° extension and 140° flexion. An accurate definition of this would be limited knee extension range [1], both actively and passively.
