I In the learning process of high school students, most of the activities are carried outby writing and sitting. Sitting in awkward postures for long periods of time cancause neck muscle pain disorders. In addition to ergonomic causes, obesity is alsoone of the causes. Biological differences between women and men make womenmore susceptible to neck muscle pain. The prevalence of neck pain in adolescentsis 15-30%. The purpose of this study was to determine the relationship between thelevel of ergonomic risk, gender, nutritional status and complaints of neck musclepain in high school students.METHODSThis research method is an observational analytic cross-sectional design. The studywas conducted on 117 active class X students at SMA Angkasa Lanud HuseinSastranegara in 2022. Complaints of neck muscle pain were assessed using theNeck Disability Index questionnaire. The level of ergonomic risk was assessedusing Rapid Upper Limb Assessment. Nutritional status through body mass indexmeasurement. Gender was assessed by interview. Bivariate analysis with Chi-Square test.RESULTSThe prevalence of women in SMA Angkasa Lanud Husein Sastranegara was 57.3%.15.4% were found to be overweight. It was also found that 78.6% had a moderatehighlevel of ergonomic risk, and the dominant complained of moderate neckmuscle pain 47.9%. Chi-Square test shows there is a significant relationshipbetween the level of ergonomic risk, gender, nutritional status and complaints ofneck muscle pain in high school students with a value of (p=0.000).CONCLUSIONSThere is a relationship between ergonomics risk level, gender, nutritional status andneck muscle pain