The flexion function is one of the basic activities of the knee joint. Although the effect of a little flexion activity is slightly smaller than that of the straightening function, if the flexion function is large, it still has a great influence on daily life and exercise. The practice methods are commonly used in the following ways:
1. The following describes a common method for you: taking the affected limb as the left leg as an example, sitting in front of the patient, the left arm is placed between the patient's armpit and the treatment bed, acting as a fulcrum, holding the right arm Heel, push hard on the inside. Due to the passive deficiency of the rectus femoris muscles, the patient can be placed in a supine or sitting position according to the needs (simply: the sitting position mainly pulls the tissue around the joint, and the supine position mainly pulls the rectus femoris). It can be drafted by the left arm along the axial direction of the femur, and by the right arm along the axial direction of the tibia. The axial drafting reduces the intra-articular pressure during practice to relieve some pain. . At the same time, the fulcrum of the left arm can also increase the strength of the advancement. note! Axial drafting in this direction is generally not performed within 3 months after reconstruction of the anterior cruciate ligament of the knee. This method must be used after reconstruction of the posterior cruciate ligament of the knee.
2, the following is another commonly used method: taking the right leg as the limb, for example, the patient is lying flat, flexing the hip, respectively, with the left and right arms placed in the position shown, the right armpit clamps the affected limb with the help of their own weight The pressure is applied downwards, and the left arm can be pulled up with the right arm as the fulcrum as needed, while the right arm is pushed forward to achieve the axially distal extension of the femur and the axially distal end of the tibia. Stretch. Note the same as above.
3, this method is generally applicable to the flexion angle more than 90 °, the left side of the affected limb as an example, standing on the patient's affected side, the right arm to hold the distal end of the calf (try to avoid exerting force on the distal end of the ankle joint, so as not to force At the same time, the ankle joint is excessively deformed to cause damage. According to the need, the left hand can be placed on the patient's armpit, the right arm is pressed down or the right arm is used to fix the affected limb in front of the body, the left side of the body is tilted, and the weight is applied downward. Pressure. At this time, the left arm plays the following role: fixing the patient's position, as the fulcrum to strengthen the lower pressure, as the "wedge" as much as possible to pad the switch joint gap, if the patient feels that the armpit is overstressed, the soft pillow can be used as shown in the second figure below. Instead of putting the palm of your hand in the armpit, it plays a similar role. The precautions are the same as above.
4. This is a method of practicing the flexion function by itself. The patient is supine, hips, hands holding the distal end of the thigh, or strapping on the shoulder like a “strapâ€. The length of the strap is adjusted so that the calf is substantially parallel to the The water level is suitable. Place the sandbags on the ankles as needed, fully relax, and suspend the calf weight and sandbags. Generally, it can be done for 10-15 minutes each time. Of course, you should fully relax and ensure the effect.
5, this is also a self-practice angle method, the specific posture and direction of force do not have to be introduced too much, this method is suitable for patients with less joint activity resistance and better flexibility (such as early postoperative patients), the advantages of this action It is possible to simply quantify the actual angle from the heel to the buttocks, which is advantageous for flexion exercises according to the normal rehabilitation program.
6. This method is suitable for patients with a knee flexion angle of at least 90°. The patient is prone, with an inelastic cloth bundle at the ankle, and pulled with both hands to achieve the knee flexion, if conditions are met. Place a pulley in front and hang a heavy object instead of your hands, usually 10-20 minutes each time.
7. When the passive knee flexion angle exceeds 100 degrees, you can try to consolidate the active angle by fixing the bicycle. When riding, the body is required to be straight. The affected limbs are firmly fixed on the pedals and practiced in a very standard posture. The height should ensure that the knee flexion angle is both slightly difficult, and that it can pass the highest point by trying to compare the standard posture, usually followed by passive practice for 10-15 minutes, 1-2 times a day. As the passive angle increases, the seat height can be lowered while ensuring the riding posture to achieve an active angle increase.
8. When the passive angle exceeds 130 degrees, you can try to kneel under the protection of both hands, and use weight to help consolidate the existing angle. Requires the center of gravity to be placed on the foot during exercise, no more than the toe forward, no more than the heel backwards, avoiding excessive recoil, usually followed by passive practice, 2-5 minutes each time. Therefore, the method adds weight and the joint pressure is increased. For patients with axillary pain during knee flexion exercises, the discomfort may be aggravated, so be sure to pay attention to the gradual progress, but do not practice hard.
The above are some commonly used knee flexion function training methods, all methods have the following commonalities:
1. Patients need to fully cooperate and understand, overcome psychological tension caused by various reasons and muscle (antagonistic muscle) tension, which is the prerequisite for ensuring the safety of all exercises.
2. Avoid violence during practice and avoid unnecessary additional damage.
3. If the relevant antagonistic muscles can not be fully relaxed or have a large tension before exercise, you can first do the antagonistic muscles with the same strength and resistance for 2-3 times at a certain angle, so as to antagonize the muscle fatigue, which can inhibit the antagonistic muscle tension and appropriate The pulling effect, but this method is not suitable for patients involved in the early stage of knee injury.
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