PENGARUH LATIHAN PROPRIOCEPTIVE NEUROMUSCULAR FACILITATION (PNF) TERHADAP FLEKSIBILITAS OTOT PUNGGUNG BAWAH DAN OTOT HAMSTRING PADA ATLET BOLA TANGAN KOP UNJ

SITI HALIMAH, . (2026) PENGARUH LATIHAN PROPRIOCEPTIVE NEUROMUSCULAR FACILITATION (PNF) TERHADAP FLEKSIBILITAS OTOT PUNGGUNG BAWAH DAN OTOT HAMSTRING PADA ATLET BOLA TANGAN KOP UNJ. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh latihan Proprioceptive Neuromuscular Facilitation (PNF) terhadap fleksibilitas otot punggung bawah dan otot hamstring pada atlet bola tangan Klub Olahraga Prestasi (KOP) Universitas Negeri Jakarta. Fleksibilitas otot punggung bawah dan otot hamstring merupakan salah satu komponen kondisi fisik yang berperan penting dalam menunjang performa atlet, meningkatkan efisiensi gerak, serta menurunkan risiko cedera. Berdasarkan hasil observasi awal, sebagian atlet KOP UNJ masih memiliki fleksibilitas yang rendah dan belum menerapkan latihan PNF sebagai bagian dari program latihan rutin. Penelitian ini menggunakan metode quasi experiment dengan desain One Group Pretest–Posttest Design. Sampel penelitian berjumlah 20 atlet putra yang dipilih menggunakan teknik purposive sampling. Fleksibilitas otot punggung bawah diukur menggunakan Sit and Reach Test sebelum dan sesudah pemberian perlakuan berupa latihan PNF. Analisis data dilakukan menggunakan statistik deskriptif, uji normalitas Shapiro–Wilk, dan Paired Sample t-test pada taraf signifikansi 0,05. Hasil penelitian menunjukkan bahwa rata-rata fleksibilitas meningkat dari 14,55 cm pada pretest menjadi 21,55 cm pada posttest dengan peningkatan sebesar 7 cm. Hasil uji normalitas menunjukkan data berdistribusi normal sehingga memenuhi asumsi uji parametrik. Hasil uji hipotesis menunjukkan bahwa latihan PNF memberikan pengaruh yang signifikan terhadap peningkatan fleksibilitas otot punggung bawah dan otot hamstring pada atlet bola tangan KOP Universitas Negeri Jakarta. Dengan demikian, latihan PNF dapat dijadikan sebagai salah satu metode peregangan yang efektif untuk meningkatkan fleksibilitas otot punggung bawah dan otot hamstring serta mendukung peningkatan performa dan upaya pencegahan cedera pada atlet. Kata kunci: Proprioceptive Neuromuscular Facilitation (PNF), fleksibilitas, otot punggung bawah, otot hamstring, atlet bola tangan. ***** This study aimed to determine the effect of Proprioceptive Neuromuscular Facilitation (PNF) training on the flexibility of the lower back muscles and hamstring muscles among handball athletes of the Achievement Sports Club (KOP), Jakarta State University. Lower back and hamstring muscle flexibility is an essential component of physical fitness that plays a significant role in supporting athletic performance, improving movement efficiency, and reducing the risk of injury. Based on the results of the preliminary observation, several KOP Jakarta State University athletes still had low flexibility and had not incorporated PNF training into their regular training program. This study employed a quasi-experimental method using a One-Group Pretest–Posttest Design. The sample consisted of 20 male athletes selected through purposive sampling. The flexibility of the lower back and hamstring muscles was measured using the Sit and Reach Test before and after the implementation of the PNF training program. Data were analyzed using descriptive statistics, the Shapiro–Wilk normality test, and the Paired Sample t-test at a significance level of 0.05. The results showed that the mean flexibility score increased from 14.55 cm in the pretest to 21.55 cm in the posttest, representing an improvement of 7 cm. The normality test indicated that the data were normally distributed, thereby meeting the assumptions for parametric testing. Furthermore, the hypothesis test revealed that PNF training had a statistically significant effect on improving lower back and hamstring muscle flexibility among handball athletes of the Achievement Sports Club (KOP), Jakarta State University. Therefore, PNF training can be recommended as an effective stretching method to enhance lower back and hamstring muscle flexibility, thereby supporting improved athletic performance and injury prevention. Keywords: Proprioceptive Neuromuscular Facilitation (PNF), flexibility, lower back muscles, hamstring muscles, handball athletes.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Prof. DR. dr. Junaidi, Sp.Ko. Subs ALK (K). ; 2). Dr. Muhamad Arif, M.Pd.
Subjects:	Sains > Anatomi Manusia Olah Raga dan Seni Pertunjukan > Pendidikan Olah Raga
Divisions:	FIO > S1 Ilmu Keolahragaan
Depositing User:	Siti Halimah .
Date Deposited:	27 Jul 2026 03:41
Last Modified:	27 Jul 2026 03:59
URI:	http://repository.unj.ac.id/id/eprint/67218

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