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Relationship between core muscles, leg arch, hamstring and lumbar flexibility on pop-up ability among surfers Anak Agung Gede Eka Septian Utama; I Dewa Gd Alit Kamayoga; M. Widnyana; I Putu Yudi Pramana Putra
Physical Therapy Journal of Indonesia Vol. 4 No. 1 (2023): January-June 2023
Publisher : Universitas Udayana dan Diaspora Taipei Medical University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51559/ptji.v4i1.65

Abstract

Background: Surfing is a sport that requires alternating high, medium, and low intensity at one time. Surfing combines three phases, namely paddling, pop-up, and wave-ride. The surf pop-up phase is characterized by a change from a paddling position to a standing position on the surfboard in one dynamic motion. During this transition, a surfer must move 75% of his body weight in less than one second. Pop-up movement is a unique challenge for the human motor system because it must be done quickly, with sufficient strength, on a moving and unstable surface that requires the readiness of the bio motoric component to avoid injury. This study aimed to see the relationship between core muscles, leg arches, hamstring, and lumbar flexibility on pop-up ability among surfers. Methods: The research uses analytic observational with a cross-sectional approach. The number of samples was 80 people with inclusion criteria, men aged 20-40 years and at least one year of surfing experience. Core muscles were measured using the curl-up test, the footprint test measured leg arches, hamstring flexibility by the sit and reach test, lumbar flexibility by the modified Schober's test, and pop-up ability using the time to pop-up. The research was conducted in Badung regency. Results: This study showed a significant and strong relationship between core muscles (r= 0,57, p-value< 0.001), leg arches (rs= 0.33-0.43, p-values= 0.009 - <0.001), hamstring and lumbar flexibility (rs= 0.31-0.50, p-values= 0.013 - <0.001) on pop-up ability among surfers. Conclusion: There were significant relationships between the core muscles, leg arches, hamstring and lumbar flexibility on pop-up ability among surfers.
Association between nutritional status and physical activity level towards short-term memory ability in elementary school students Putu Bulan Permatadewi; Made Hendra Satria Nugraha; Ni Luh Putu Gita Karunia Saraswati; I Putu Yudi Pramana Putra
Physical Therapy Journal of Indonesia Vol. 4 No. 1 (2023): January-June 2023
Publisher : Universitas Udayana dan Diaspora Taipei Medical University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51559/ptji.v4i1.83

Abstract

Background: There is a process of growth and development in children, including the ability to remember information, which is an essential component of the learning process; this memory is regulated by nutritional status and the amount of physical activity. This study aims to determine the association between nutritional status and physical activity level on short-term memory skills in children aged 9-11 years at SD Negeri 5 Peguyangan. Methods: The research method used a cross-sectional study design with a purposive sampling technique. The number of subjects obtained is sixty-eight subjects according to predetermined criteria at the 5th Elementary School of Peguyangan, Denpasar, Bali, Indonesia. Data were collected by calculating the body mass index to determine nutritional status and measuring the physical activity level by filling out the physical activity questionnaire for older children (PAQ-C). The digit span test is used to assess short-term memory abilities. To find an association between nutritional status and physical activity level on short-term memory skills, data were analysed using SPSS 26.0. Results: Based on Spearman's rho non-parametric analysis test, it was found that the relationship between nutritional status and short-term memory abilities obtained p= 0.006 (p< 0.05) with r= 0.331. In addition, the association between the physical activity level obtained a p= 0.000 (p< 0.05) with r= 0.555. This indicates an association between nutritional status and physical activity level in short-term memory abilities. Conclusion: There is an association between nutritional status and physical activity level on short-term memory skills among elementary school students.