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The purpose of this study is to understand the effect of low-load blood flow restriction training on the rehabilitation effect of patients after lateral patellar compression syndrome surgery, and to observe the differences between low-load blood flow restriction training combined with conventional rehabilitation training and conventional rehabilitation training. The main question it aims to answer is:
Can low-load blood flow restriction training improve the rehabilitation effect of patients after surgery for lateral patellar hypertension syndrome? Researchers compared conventional rehabilitation training with conventional rehabilitation training combined with low-load blood-limiting training to explore the effect of blood-limiting training combined with conventional rehabilitation training on the lower extremity function of patients after lateral patellar compression syndrome surgery, providing experimental and theoretical basis for formulating rehabilitation training programs.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| The experimental group (LL-BFRT group) | The experimental group (LL-BFRT group) received exercise intervention treatment for 4 weeks, training three times a week, each time lasting for 1 hour. Compared with the control group (conventional rehabilitation group), the movements and intensities of the two groups remained consistent during the exercise intervention. Only the experimental group wore a flow-limiting pressure band for exercise during the intervention. The blood flow limiting pressure band used in this study mainly consists of a 109*10cm leg pressure band, a barometric display dial with a pressure range of 0-300mmHg, and a pressure pump. In the experiment, we fixed the blood flow restriction pressure band in the area for measuring the circumference and adjusted the blood flow restriction pressure according to the thigh circumference of the subjects to maintain it within the range of 40%-60% arterial occlusion pressure. The way to limit blood flow is intermittent inflation. |
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| The control group (conventional rehabilitation group) | The control group (conventional rehabilitation group) received exercise intervention treatment for 4 weeks, with training three times a week, each lasting for 1 hour. The specific intervention contents are: Each training session consists of a 10-minute warm-up (including power cycling, full-body stretching, etc.) At the same time, use the foam axis to relax the lateral oblique femoris and iliotibial band to relieve the pressure on the lateral side of the patella), 40 minutes of formal training (including wall squats with a ball, straight leg raising resistance training, terminal resistance knee extension training, bench kick ball clamping training, and balance training), and 10 minutes of relaxation (using a foam roller, foam axis and other combined techniques to relax the muscles Especially for the lower limb muscles such as the lateral femoris, iliotibial band, and tibialis anterior muscle. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| the regular rehabilitation program | Behavioral | Each training session consists of a 10-minute warm-up (including power cycling, full-body stretching, etc.) At the same time, use the foam axis to relax the lateral oblique femoris and iliotibial band to relieve the pressure on the lateral side of the patella), 40 minutes of formal training (including wall squats with a ball, straight leg raising resistance training, terminal resistance knee extension training, bench kick ball clamping training, and balance training), and 10 minutes of relaxation (using a foam roller, foam axis and other combined techniques to relax the muscles Especially for the lower limb muscles such as the lateral femoris, iliotibial band, and tibialis anterior muscle. |
| Measure | Description | Time Frame |
|---|---|---|
| Lysholm score | 0-4week | |
| VAS score | 0-4week | |
| Peak torque of knee extension | 0-4week | |
| Quadriceps thickness | 0-4week |
| Measure | Description | Time Frame |
|---|---|---|
| Thigh circumference | 0-4week | |
| Range of motion of the knee joint | 0-4week |
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Inclusion Criteria:
Exclusion Criteria:
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Patient with lateral patellar compression syndrome after lateral retinacular release
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| Name | Affiliation | Role |
|---|---|---|
| Yuping Yang | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Peking University Third Hospital of Chongli | Chongli | Hebei | China |
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Age, Body Mass Index (BMI), Gender, Site of Injury, and Combined Meniscal Injury
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| The blood flow limiting pressure band | Device | The experimental group (LL-BFRT group) wore a flow-limiting pressure band for exercise during routine rehabilitation training. The blood flow limiting pressure band used in this study mainly consists of a 109*10cm leg pressure band, a barometric display dial with a pressure range of 0-300mmHg, and a pressure pump. In the experiment, we fixed the blood flow restriction pressure band in the area for measuring the circumference and adjusted the blood flow restriction pressure according to the thigh circumference of the subjects to maintain it within the range of 40%-60% arterial occlusion pressure. The way to limit blood flow is intermittent inflation, that is, during the intervals of muscle strength training, the cuff deflation operation is carried out simultaneously. |
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