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Abstract
Background Osgood-Schlatter disease (OSD) of the knee in youth is one of the most frequent of anterior knee pain in athletes. There are several risk factors that contribute to this disease.
Objective Rectus femoris and iliopsoas contracture is a specific risk factor for the development of OSD in high performance youth athletes which come to the Centre of Applied Sciences at the sports in Jalisco.
Design The study design was cross-sectional, observational and descriptive. Participants were patients under 16 years of age who had an orthopedic consult during 2017 and 2018 and who had clinical and radiologic diagnosis of OSD. Measurement of the contracture was completed with the patient in recumbent prone position and with the quadriceps in a stretched position: the knee was flexed until the heel touched the gluteus. The epidemiological and quantitative results were calculated using excel with a significance level of α = 5%.
Setting Centre of Applied Sciences for Sports in Jalisco.
Patients (or Participants) 30 patients, members of the representative teams of Jalisco
Main Outcome Measurements Knee flexion and touching the gluteus with the heel.
Results 30 patients of ages 10 to 16 years old were included in the data analysis (male = 16, female =14; Mage = 14). The spread of sports played by the patients were as follows: trampoline gymnastics=3, weightlifting=7, diving=4, artistic gymnastics=3, basketball=4, wrestling=2, judo=1, pentathlon=1, canoeing=1, softball=1, squash=1, waterpolo=1, baseball=1. Only 30% of the patients were able to finish the maneuver: 70% were not able to touch the gluteus with their heel.
Conclusions Low elasticity of the rectus femoris and iliopsoas as a specific risk factor for the development of OSD in youth athletes was statistically significant (p = 0.05). General risk factors of this disease are described in the literature, the majority of which are non-modifiable. In contrast, contracture of the quadriceps and iliopsoas are modifiable risk factors for which preventative interventions could be implemented.