Background:

Musculoskeletal disorders (MSDs) encompass a series of debilitating diseases with high incidence and prevalence, representing a high economic and social cost. Prevention is crucial, so is of great interest to determine modifiable risk factors, such as those related to lifestyle.

Methods:

A descriptive cross-sectional study was performed in 91 patients selected by systematic random sampling and were divided into three experimental groups according to the cause and evolution of its MSD (neck pain, knee pain and back pain). A biometric measurement, nutritional assessment, physical and occupational activity, muscle balance and oxidative status was performed.

Results:

The female is the most affected gender by the presence of musculoskeletal injuries such as neck pain and back pain. Overall, most patients (67.4%) had normal weight, overweight 24.41% and only 8.1% were obese type I. Patients with neck pain are the group doing less physical activity and worse muscular balance present. Oxidative stress was higher in patients with knee pain than in the other groups. Regarding the consumed diet, differences between experimental groups on the mineral content (Zn, Mn, Se and I) and vitamins (folate and ascorbic acid) are observed.

Conclusions:

Cholecalciferol intake and vitamins A and D is less than those recommended in all subjects, which promotes muscle disease. Folate intake was below recommendations, increasing susceptibility to oxidative stress. Obesity and oxidative stress related to the prevalence of the different types of MSDs studied.

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