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PRIMANITA ULFAH

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Abstrak (Bhs. Indonesia)

PENGARUH LATIHAN LUTUT ISOMETRIK DENGAN APLIKASI OSTEOCARE TERHADAP TINGKAT NYERI PADA PASIEN OSTEOARTHRITIS GENU DI RSUD AJIBARANG
Primanita Ulfah ¹, Arif Setyo Upoyo², Saryono2
	¹Mahasiswa Magister Keperawatan, Universitas Jenderal Soedirman	
²Jurusan Keperawatan Fakultas Ilmu-ilmu Kesehatan, Universitas Jenderal Soedirman

ABSTRAK
Latar Belakang: Osteoarthritis genu merupakan kondisi degeneratif pada sendi lutut yang ditandai nyeri kronis dan penurunan kemampuan fungsional, sehingga pengurangan nyeri menjadi fokus utama penatalaksanaan. Latihan lutut isometrik terbukti berperan menurunkan nyeri, keterbatasan edukasi dan pemantauan menyebabkan pelaksanaan latihan mandiri pasien belum optimal. Penelitian ini bertujuan untuk menganalisis pengaruh latihan lutut isometrik dengan aplikasi OSTEOCARE terhadap tingkat nyeri pada pasien osteoarthritis genu di RSUD Ajibarang.
Metode: Tahap pertama penelitian adalah pengembangan OSTEOCARE dengan metode Research and Development (R&D), dievaluasi validitas dan reliabilitasnya melalui Content Validity Index (CVI), Interclass Correlation Coefficient (ICC), dan USE Questionnaire. Tahap kedua menggunakan desain quasi-experimental pretest–posttest with control group dengan 68 responden. Kelompok intervensi menjalani latihan lutut isometrik dengan aplikasi OSTEOCARE selama 4 minggu, kelompok kontrol melakukan latihan serupa tanpa aplikasi. Intensitas nyeri diukur menggunakan Numeric Rating Scale (NRS). Data dianalisis secara univariat dan multivariat menggunakan wilcoxon signed-rank test, mann-whitney u test, dan general linear model repeated measure anova, independent t test. 
Hasil: OSTEOCARE memiliki validitas tinggi (I-CVI=1.00), dan reliabilitas sangat baik (ICC=0.926). Uji usability menunjukkan bahwa OSTEOCARE sangat layak digunakan. Hasil penelitian tahap dua menunjukkan intervensi menghasilkan penurunan skor nyeri yang signifikan dan lebih progresif dibanding kontrol, dengan nilai Wilks’ Lambda = 0.041; F(4,30) = 175.865; p < 0.001, serta uji within-subjects F = 29.455; p < 0.001 (p < α, α = 0.05). 
Kesimpulan: Latihan lutut isometrik dengan aplikasi OSTEOCARE berpengaruh signifikan dalam menurunkan tingkat nyeri pada pasien osteoarthritis genu.

Abtrak (Bhs. Inggris)

THE EFFECT OF ISOMETRIC KNEE EXERCISE USING THE OSTEOCARE APPLICATION ON PAIN LEVELS IN PATIENTS WITH KNEE OSTEOARTHRITIS AT AJIBARANG REGIONAL GENERAL HOSPITAL
Primanita Ulfah¹, Arif Setyo Upoyo², Saryono²
¹Student Of Magister Nursing, Faculty of Health Sciences, Universitas Jenderal Soedirman
²Departement Of Nursing Programe, Faculty of Health Sciences, Universitas Jenderal Soedirman

ABSTRACT
Background: Knee osteoarthritis is a degenerative joint condition characterized by chronic pain and functional decline, making pain reduction a primary goal of management. Isometric knee exercises have been shown to reduce pain, limited education and monitoring result in suboptimal independent practice. This study aimed to analyze the effect of isometric knee exercises delivered via the OSTEOCARE application on pain levels in patients with knee osteoarthritis at RSUD Ajibarang
Methods: The first phase involved the development of the OSTEOCARE application using a Research and Development (R&D). Validity and reliability were assessed using the Content Validity Index (CVI), Intraclass Correlation Coefficient (ICC), and the USE Questionnaire. The phase employed a quasi-experimental pretest–posttest design with a control group involving 68 participants. The intervention group performed isometric exercises via OSTEOCARE application for four weeks, while the control group performed exercises without application. Pain intensity was measured using the Numeric Rating Scale (NRS). Data were analyzed using the wilcoxon signed-rank test, mann–whitney u test, and general linear model repeated measures ANOVA, independent t test. 
Results: The OSTEOCARE application demonstrated high validity (I-CVI = 1.00) and excellent reliability (ICC = 0.926), with usability testing indicating feasibility. The intervention group showed a significantly greater reduction in pain scores than the control group (Wilks’ Lambda = 0.041; F(4,30) = 175.865; p < 0.001; within-subjects F = 29.455; p < 0.001).
Conclusion: Isometric knee exercise delivered through the OSTEOCARE application significantly reduces pain intensity in patients with knee osteoarthritis.

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