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Correlation Between Limb Length and Muscle Mass of The Lower Extremity Firmansyah, Awang; Tjahyaningtijas, Hapsari Peni Agustin; Rasy, Ahmad Hafizh Ainur; Budijono, Agung Prijo; Putro, Andika Bayu; Putra, I Wayan Valentino Eka
ACPES Journal of Physical Education, Sport, and Health (AJPESH) Vol. 4 No. 2 (2024): December 2024
Publisher : Universitas Negeri Semarang (UNNES) in cooperation with ACPES (ASEAN Council of Physical Education and Sport)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ajpesh.v4i2.21461

Abstract

Introduction: Muscle mass has a contribution to body strength. One third of the human body is part of the lower extremity. The limbs are part of the lower extremity. This study aims to investigate the length of the limb with muscle mass. Methods: Cross-sectional study with the subjects of this study were 39 students (12 females and 27 males) with male characteristics (age 20.03±0.7, height 168±5.46, weight 61.92±10.98, BMI 22±4.24) while in women (age 20.16±0.83, height 158.83.3±5.13, weight 54.7±12.02, BMI 21.65±4.51). Pearson correlation from SPSS version 26 with a significance level of P-value < 0.05. Findings: Based on the data, there was a signifi correlation between the length of the leg and muscle mass on both the right (P-value: 0.000, r: 0.634) and the left (P-value: 0.000, r: 0.629). Conclusion: This study proves that the longer the limbs a person has, the greater the muscle mass he has.
Penerapan Monitoring Beban Latihan Berbasis Digital pada Sub-Elite Atlet Malaysia Subagio, Irmantara; Nurhasan; Muthohir, Toho Cholik; Kartiko, Dwi Cahyo; Siantoro, Gigih; Widodo, Achmad; Hidayat, Taufiq; Bawono, Mokhamad Nur; Firmansyah, Awang; Pranoto, Adi
Jurnal Pengabdian kepada Masyarakat Bina Darma Vol. 5 No. 3 (2025): Jurnal Pengabdian kepada Masyarakat Universitas Bina Darma
Publisher : DRPM-UBD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33557/11mwxw67

Abstract

Monitoring beban latihan merupakan elemen penting dalam proses pembinaan atlet untuk meminimalkan risiko cedera, mencegah maladaptasi, dan memastikan efektivitas program latihan yang diberikan. Era digital memberikan peluang untuk melakukan monitoring beban latihan dengan cara yang lebih cepat, murah, dan mudah diakses. Kegiatan PKM ini bertujuan untuk menerapkan sistem monitoring beban latihan berbasis digital pada sub-elite atlet Malaysia dengan menggunakan Google Form dan Google Sheets sebagai instrumen pencatatan dan visualisasi data latihan. Metode pelaksanaan terdiri dari identifikasi masalah, perancangan formulir digital, pendampingan penggunaan, dan evaluasi pelatihan selama dua bulan. Formulir berisi data denyut nadi maksimal, intensitas latihan (RPE), kualitas tidur, stres, suasana hati, kelelahan, serta menu latihan. Hasil kegiatan menunjukkan tingkat partisipasi atlet dalam pengisian data mencapai kategori sangat baik, dan pelatih mampu melakukan evaluasi mingguan berbasis grafik yang terbentuk secara otomatis dalam Google Sheets. Sistem ini mempermudah pelatih dalam menginterpretasi respons latihan, mendeteksi kelelahan, dan menyesuaikan beban latihan secara individu. Penerapan sistem monitoring digital ini terbukti efektif, hemat biaya, mudah diterapkan, dan dapat direplikasi di institusi olahraga lainnya. Selain memberikan manfaat praktis bagi pelatih dan atlet, kegiatan ini juga memperkuat kolaborasi internasional antara UNESA dan Majlis Sukan Wilayah Persekutuan Malaysia dalam pengembangan sport coaching berbasis data.
Validation of Soccer Shooting Skills Test in Junior High School Students Widodo, Achmad; Wismanadi, Himawan; Wahyudi, Heri; Fikri, Muhammad Dzul; Firmansyah, Awang
Jp.jok (Jurnal Pendidikan Jasmani, Olahraga dan Kesehatan) Vol. 6 No. 1 (2022): Jp.jok (Jurnal Pendidikan Jasmani, Olahraga dan Kesehatan)
Publisher : Physical Education, Health and Recreation Study Program, Universitas Insan Budi Utomo, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/jp.jok.v6i1.898

Abstract

The purpose of the study was to develop a test instrument of shooting skill that is valid and reliable on junior high school soccer students (13-15 years) as many as 33 subjects. The approach of this type of research is the development, the sampling using purposive sampling method that has the criteria of Junior High School students aged 13-15 years (male) who are hobbyists and proficient in soccer. The results of the test validity test showed that the level of validity of the instrument shooting skills test on right and left foot 0.89 with perfect category, and has a reliability value of R = 0.78 (medium), left r = 0.83 (high). The conclusion of this study is that the instrument tests of shooting skill with the closest distance to the goal of 15m using the right and left limbs have a level of validity that meets the standards. Thus the instrument tests of shooting skill can be used to measure and assess the technical skills of playing kicking the ball into the football goal at the junior high school level (13-15 years).
Response of Surabaya State University Students to Sports Biomechanics Textbook Hakim, Abdul Aziz; Firmansyah, Awang; Widodo, Achmad; Jannah, Syaifathul
Jp.jok (Jurnal Pendidikan Jasmani, Olahraga dan Kesehatan) Vol. 6 No. 2 (2023): Jp.jok (Jurnal Pendidikan Jasmani, Olahraga dan Kesehatan)
Publisher : Physical Education, Health and Recreation Study Program, Universitas Insan Budi Utomo, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/jp.jok.v6i2.1000

Abstract

Sports Biomechanics is a subject that is considered not easy to understand, and exciting learning media are needed to facilitate the learning process, one of which is textbooks. This study aims to determine student responses to the textbook of Sports Biomechanics. The research method applied in this research is descriptive research with a quantitative analysis approach with a survey research design to respondents. The sample in this study was 30 students of the Sports Science class in 2018 and 2019. The provision that respondents were students of Sports Science class 2018 and 2019 who live in the Surabaya, Sidoarjo, and Gresik areas who have graduated and are taking the Sports Biomechanics course. The questionnaire in this study used the Linkert scale and adapted the questionnaire instrument (Hartati & Safitri, 2017). Analysis of the data using the Linkert formula and interpreting the data that has been obtained. The results of this study indicate that the average student response is obtained by 87,55% of students who feel that sports biomechanics textbooks are worthy as learning companions.
The effect of single-leg hurdle hop plyometric training on the improvement of lower limb explosive power in badminton athletes aged 12–15 years Oktaviano, Achmed Isyam; Firmansyah, Awang; Wismanadi, Himawan; Rusdiawan, Afif
Sriwijaya Journal of Sport Vol. 5 No. 2 (2026): Sriwijaya Journal of Sport
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55379/sjs.v5i2.181

Abstract

Research Problems: Lower limb explosive power is a fundamental physical component in badminton, as it supports rapid directional changes, lunges, and jump smashes during match play. In adolescent athletes aged 12–15 years, structured and sport-specific training is essential to optimise long-term athletic development. Plyometric training, particularly unilateral exercises such as the single-leg hurdle hop, is considered effective in enhancing neuromuscular performance and explosive strength. Research Objectives: This study aimed to examine the effect of single-leg hurdle hop plyometric training on lower limb explosive power in youth badminton athletes. Methods: A pre-experimental study with a one-group pretest–posttest design was employed. The participants were 25 badminton players (male and female) aged 12–15 years (mean height = 155 cm; mean body mass = 45.76 kg; mean BMI = 19.02). Lower limb explosive power was measured using the vertical jump test. Data were analyzed using normality testing and a paired-samples t-test to examine pre- and post-intervention differences. Results: The results revealed a statistically significant improvement in lower limb explosive power following the training intervention (p = 0.01, p < 0.05). Conclusion: These findings indicate that single-leg hurdle hop plyometric training is effective in enhancing explosive power in adolescent badminton athletes. Future research is recommended to incorporate control groups, longer intervention periods, and motivational strategies to optimise training adherence and performance outcomes.
Beban Latihan, Akumulasi Beban Kerja, dan Risiko Cedera pada Pelari Jarak Jauh: Analisis Deret Waktu Prasetya, Muhammad Reza Aziz; Firmansyah, Awang; Wahyudi, Heri; Chang, Cheng Liang; Zhuo, Pua Ying
Indonesian Journal of Kinanthropology (IJOK) Vol 6 No 1 (2026)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ijok.v6n1.p37-46

Abstract

Background: Monitoring training load is essential for optimizing performance while minimizing injury risk in endurance athletes. However, evidence linking daily workload fluctuations and injury occurrence in runners remains limited. Therefore, this study aimed to examine the relationship between daily training load, accumulated workload, and injury occurrence in distance runners using a longitudinal time-series dataset. Methods: A retrospective observational design was used to analyze longitudinal training data from 74 distance runners, comprising 42,766 daily observations. Training-load variables included total running distance, intensity zones, sprint distance, strength training participation, and perceived recovery indicators. Injury occurrence was recorded as a binary outcome (injury vs. no injury). Logistic regression and workload-ratio analysis were applied to evaluate associations between training load variables and injury risk. Results: The analysis identified 583 injury events across the observation period. Higher accumulated running volume and greater fluctuations in daily workload were associated with an increased likelihood of injury. In addition, reduced perceived recovery scores were linked to a higher probability of injury occurrence, suggesting the importance of internal load monitoring alongside external training metrics. Conclusions: Variations in workload progression and insufficient recovery may contribute to injury risk in distance runners. Monitoring training load accumulation and recovery indicators may help coaches and practitioners implement more effective load-management strategies to reduce injury risk while maintaining performance development.
Meneliti Korelasi Antara Kekuatan Otot Hamstring dan Performa Lompatan Vertikal di Kalangan Petugas Pemadam Kebakaran Anwari, Aulya Safiyna Nuuril; Widodo, Achmad; Sulistyarto, Soni; Firmansyah, Awang
JSKK (Jurnal Sains Keolahragaan dan Kesehatan) Vol 11 No 1 (2026)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jskk.2026.11.1.1

Abstract

Firefighting is a physically demanding occupation requiring high levels of muscular strength and power to perform tasks such as victim rescue, stair climbing, hose dragging, and equipment handling under unpredictable and hazardous conditions. This study aimed to examine the relationship between hamstring muscle strength and countermovement jump performance in firefighters. This study employed a quantitative cross-sectional design. Participants were active-duty firefighters who met the inclusion criteria. Total the participants are 43 with male gender, the body weight of 73,83 ± 10,38 kg, height of 172,44 ± 4,68 cm, Body Mass Index (BMI) was 24,79 ± 3,13 kg/m² . The results showed a significant relationship between hamstring muscle strength and countermovement jump power. The correlation between L Max Force and jump power was statistically significant (p = 0,002), as was the relationship between R Max Force and jump power (p = 0,001), both below the significance threshold of <0,05. These findings indicate that greater hamstring muscle strength is associated with higher CMJ power output. In conclusion hamstring muscle strength is significantly related to lower-limb explosive performance in firefighters. Keywords: Hamstring muscle strength, jump power, physical fitness, firefighters
Rasio Interval Training Dalam Latihan Shadow Bulutangkis Terhadap Power dan Kecepatan Wismanadi, Himawan; Kafrawi, Fatkur Rohman; Pramono, Made; Firmansyah, Awang; Rusdiawan, Afif
Journal Sport Area Vol 5 No 2 (2020): December
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/sportarea.2020.vol5(2).5019

Abstract

Speed ​​and power are the most important physical components in badminton with the current rally point system. The purpose of this study was to determine the effect of badminton shadow training on power and speed. This research used experimental research with randomized group pre-test and post-test design. The subjects of this study were male students IKOR unesa 2018 class which were randomly divided into experimental group 1 (K1) and experimental group 2 (K2) consisting of 10 people per group. K1 group was given badminton shadow training with 1: 1 interval training method and K2 group with 1: ½ interval training method with 15 seconds training time. The power test is performed using jump MD and the speed test is carried out with a 30 Meter sprint test. Paired t test results were significant (p <0.05) on power (p = 0.035) and speed (p = 0.006) at K1, whereas at K2 were also significant at power (p = 0,000) and speed (p = 0.014). Independent sample t test results were not significant at the power (p = 0.190), while the speed was also not significant (p = 0.165). In conclusion, badminton shadow training can increase power and speed with both 1:1 or 1: ½ interval training ratios. Shadow badminton training with 1: ½ interval training is more to increase power and speed because on average the results are better than shadow badminton training with 1:1 interval training.