PERBANDINGAN PENGARUH PANJANG LENGAN DAN JENIS SERABUT OTOT TERHADAP POWER OTOT LENGAN ATLET KICKBOXING DKI JAKARTA

ANUGRAH KERBI SIMAMORA, . (2026) PERBANDINGAN PENGARUH PANJANG LENGAN DAN JENIS SERABUT OTOT TERHADAP POWER OTOT LENGAN ATLET KICKBOXING DKI JAKARTA. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Power otot lengan merupakan komponen penting dalam performa pukulan pada atlet Kickboxing yang dipengaruhi oleh faktor antropometri dan fisiologis. Namun, kajian ilmiah terkait kontribusi panjang lengan dan jenis serabut otot terhadap power pukulan masih terbatas. Penelitian ini bertujuan untuk menganalisis pengaruh panjang lengan terhadap power otot lengan, pengaruh jenis serabut otot terhadap power otot lengan, serta perbandingan pengaruh keduanya pada atlet Kickboxing DKI Jakarta. Penelitian menggunakan metode kuantitatif dengan desain korelasional komparatif. Populasi terdiri dari atlet Kickboxing DKI Jakarta, dengan sampel sebanyak 10 atlet yang dipilih menggunakan teknik purposive sampling. Data panjang lengan diukur menggunakan antropometri, jenis serabut otot diidentifikasi melalui uji serabut otot sederhana (muscle biopsy indirect test), dan power otot lengan diukur menggunakan medicine ball throw 5 kg. Teknik pengumpulan data meliputi pengukuran langsung dan tes performa. Analisis data dilakukan menggunakan uji normalitas, uji korelasi, uji regresi linier sederhana, serta uji regresi berganda untuk melihat perbandingan pengaruh antar variabel. Hasil penelitian menunjukkan bahwa (1) terdapat pengaruh signifikan panjang lengan terhadap power otot lengan, (2) terdapat pengaruh signifikan jenis serabut otot terhadap power otot lengan, dan (3) terdapat perbedaan kontribusi pengaruh antara panjang lengan dan jenis serabut otot, dimana jenis serabut otot memberikan pengaruh lebih dominan. Dengan demikian, karakteristik antropometri dan fisiologis perlu dipertimbangkan dalam program latihan untuk meningkatkan pukulan atlet Kickboxing. ***** Arm muscle power is an important component in punching performance in Kickboxing athletes which is influenced by anthropometric and physiological factors. However, scientific studies related to the contribution of arm length and tipe of muscle fibers to punch power are still limited. This study aims to analyze the effect of arm length on arm muscle strength, the effect of muscle fiber tipe on arm muscle strength, and a comparison of the effect of the two on DKI Jakarta Kickboxing athletes. The research uses a quantitative method with a comparative correlational design. The population consists of DKI Jakarta Kickboxing athletes, with a sample of 10 athletes selected using purposive sampling techniques. Arm length data was measured using anthropometry, muscle fiber tipe was identified through a simple muscle biopsy indirect test, and arm muscle strength was measured using a 5 kg medicine ball throw. Data collection techniques include direct measurement and performance tests. Data analysis was carried out using normality tests, correlation tests, simple linear regression tests, and multiple regression tests to see the comparison of influences between variables. The results of the study showed that (1) there was a significant influence of arm length on arm muscle strength, (2) there was a significant influence of muscle fiber tipe on arm muscle power, and (3) there was a difference in the contribution of influence between arm length and muscle fiber tipe, where muscle fiber tipe provided a more dominant influence. Thus, anthropometric and physiological characteristics need to be considered in training programs to improve the punches of Kickboxing athletes.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Dr. Iwan Hermawan, S.Pd, M.Pd. ; 2). Prof. Dr. Hidayat Humaid, M.Pd.
Subjects:	Olah Raga dan Seni Pertunjukan > Olahraga Beladiri Sains > Anatomi Manusia Sains > Statistika Olah Raga dan Seni Pertunjukan > Pendidikan Olah Raga > Kepelatihan,Manajemen Kepelatihan
Divisions:	FIO > S1 Pendidikan Kepelatihan Olahraga
Depositing User:	Anugrah Kerbi Simamora .
Date Deposited:	21 Jan 2026 03:37
Last Modified:	21 Jan 2026 03:38
URI:	http://repository.unj.ac.id/id/eprint/63173

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