Latar belakang: Belum adanya sosialisasi baik dalam bentuk media informasi maupun penyuluhan mengenai nyeri punggung bawah di pondok membuat santri memiliki pengetahuan yang relatif sedikit. Sari (2016) menjelaskan bahwa hal utama yang harus dilakukan dalam mencegah nyeri punggung bawah adalah melakukan olahraga dan peregangan. Tujuan penelitian ini untuk mengetahui faktor-faktor yang berhubungan dengan pencegahan nyeri punggung bawah pada santri.Metode: Penelitian ini merupakan penelitian survei analitik dengan pendekatan cross sectional. Populasi penelitian adalah santri Pondok Pesantren Daarul Quran sebanyak 113 santri dengan sampel total sampling. Pengumpulan data menggunakan angket. Analisis data menggunakan analisis univariat dan bivariat dengan uji Chi-square dengan signifikansi 5%Hasil: Hasil penelitian menunjukkan bahwa 59% responden sudah menerapkan praktik pencegahan nyeri punggung bawah dengan baik. Sebanyak 61% responden merupakan remaja awal, 43% berbadan kurus, dan 73% perempuan. Mayoritas responden berpengetahuan baik (54.9%), sikap yang mendukung (59.3%), guru yang mendukung (59.3%), teman yang mendukung (61.1%), instansi yang mendukung (66.4%), terdapat informasi (69%), dan terdapat sarana prasarana (52.2%). Variabel usia (p=0.029), pengetahuan (p=0.021), sikap (p=0.019), dukungan guru (p=0.04), dukungan teman (p=0.046), kebijakan instansi (p=0.025), ketersediaan informasi (p=0.049), ketersediaan sarana prasarana (p=0.021), ada hubungan antara variabel usia hingga sarana prasarana dengan perilaku pencegahan nyeri punggung bawah.Simpulan: Praktik responden dengan kategori baik dalam upaya pencegahan nyeri punggung bawah sebesar 59.3%, yang didukung oleh variabel usia, pengetahuan, sikap, dukungan guru, dukungan teman, kebijakan instansi, ketersediaan informasi, dan ketersediaan sarana prasarana. Perilaku santri yang masih harus diperhatikan adalah kebiasaan melakukan olahraga santri yang masih rendah.Kata kunci: pondok pesantren; pencegahan nyeri punggung bawah; santri ABSTRACTTitle: Behavioral Analysis of Lower Back Pain Prevention in Santri at Daarul Quran Islamic Boarding School, Karangawen, Demak RegencyBackground: The absence of socialization either in the form of information media or counseling about low back pain in boarding schools makes students have relatively little knowledge. Sari (2016) explained that the main thing to do in preventing low back pain is to do sports and stretch. The purpose of this study was to determine the factors associated with the prevention of low back pain in students. Method: This research is an analytical survey research with a cross sectional approach. The research population was the students of the Daarul Quran Islamic Boarding School as many as 113 students with a total sample of sampling. Data collection using a questionnaire. Data analysis used univariate and bivariate analysis with Chi-square test with a significance of 5%Result: The results showed that 59% of respondents had implemented good low back pain prevention practices. As many as 61% of respondents are early teens, 43% are thin, and 73% are women. The majority of respondents have good knowledge (54.9%), supportive attitude (59.3%), supportive teachers (59.3%), supportive friends (61.1%), supportive institutions (66.4%), there is information (69%), and there are infrastructure (52.2%). Variables age (p=0.029), knowledge (p=0.021), attitude (p=0.019), teacher support (p=0.04), friend support (p=0.046), agency policy (p=0.025), availability of information (p = 0.049), the availability of infrastructure (p = 0.021), there is a relationship between the variables of age and infrastructure with the behavior of preventing low back pain.Conclusion: The practice of respondents with good categories in efforts to prevent low back pain was 59.3%, which was supported by variables of age, knowledge, attitudes, teacher support, friend support, agency policies, availability of information, and availability of infrastructure. The behavior of students that still must be considered is the habit of doing sports by students who are still low.Keywords: boarding school; prevention of low back pain; students