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All Journal Folia Medica Indonesiana Jurnal SPORTIF : Jurnal Penelitian Pembelajaran
Elyana Asnar
Medical School of Airlangga University, Surabaya
Education Other

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Perbandingan Latihan Bayangan dengan Drilling dan Strokes Terhadap Kecepatan Reaksi dan Ketepatan Smash Cahyaningrum, Gyta Krisdiana; Asnar, Elyana; Wardani, Tjitra
Jurnal SPORTIF : Jurnal Penelitian Pembelajaran Vol 4 No 2 (2018): Jurnal SPORTIF : Jurnal Penelitian Pembelajaran
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (338.558 KB) | DOI: 10.29407/js_unpgri.v4i2.12328

Abstract

Pukulan smash merupakan salah satu teknik pukulan menyerang dalam permainan bulutangkis. Latihan pengulangan seperti bayangan, drilling dan strokes dapat meningkatkan kecepatan dan koordinasi gerakan. Namun, latihan kombinasi bayangan dengan drilling dan strokes dalam meningkatkan kecepatan reaksi dan ketepatan smash masih belum pernah dijelaskan. Tujuan penelitian ini untuk membuktikan latihan kombinasi bayangan dengan drilling (P1) lebih meningkatkan kecepatan reaksi dan ketepatan smash dibandingkan latihan kombinasi bayangan dengan strokes (P2). Penelitian ini termasuk eksperimental lapangan, subjek 18 orang dibagi secara random menjadi dua kelompok. Kedua kelompok diberi perlakuan 6 minggu dengan frekuensi latihan 4 kali seminggu. Tes kecepatan reaksi menggunakan alat whole body reaction dan tes ketepatan smash menggunakan tes kemampuan ketepatan smash. Hasil uji t berpasangan pada kecepatan reaksi P1 0,277±0,08 dan P2 0,270±0,629, ketepatan smash P1 11,25±3,732 dan P2 8,625±2,446, menunjukkan adanya peningkatan kemampuan kecepatan reaksi dan ketepatan smash yang signifikan. Hasil uji t independent perubahan pretest ke posttest pada P1 dan P2 adalah 0,832 dan 0,118, maka terdapat perbedaan perubahan peningkatan kemampuan yang tidak signifikan. Kesimpulan penelitian ini adalah latihan kombinasi bayangan dengan drilling dan latihan kombinasi bayangan dengan strokes keduanya dapat meningkatkan kemampuan kecepatan reaksi dan ketepatan smash bulutangkis.
GLUT-1 IS A PROMISING TARGET FOR ATP DEPLETION ON DIABETIC ENERGY DEFICIENCY SYNDROME Purwanto, Bambang; Harjanto, Harjanto; Asnar, Elyana
Folia Medica Indonesiana Vol. 53 No. 3 (2017): September 2017
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (71.114 KB) | DOI: 10.20473/fmi.v53i3.6443

Abstract

Diabetes is a metabolic syndrome which characterized with insulin insensitivity, lack of GLUT-4 membrane presentation and ATP deficiency. ATP is needed for substrate phosphorylation, signalling pathways, protein translation and cellular survival. Since GLUT-1 was discovered as alternative glucose transporter on muscle membrane, some studies started to investigate it more. This study aimed to investigate GLUT-1 presentation on diabetes muscle membrane of rat model in time. Diabetes was obtained from a 50 mg/kg B.W of streptozotocin intra peritoneal injection on rat. We found that GLUT-1 presentation increased significantly in time of diabetic stages. It correlated negatively with GLUT-4 presentation and mortality. Eccentric downhill running on diabetic rat model improved GLUT-1 presentation and blood glucose level. It was promising for diabetes management therapy at the future.
The Effect of Citrulline Supplementation on Lactic Acid Blood Level and Oxygen Saturation (SaO2) in Submaximal Physical Activity Fastabiqi, Ibrah; Asnar, Elyana; Harlina, Harlina
Folia Medica Indonesiana Vol. 56 No. 4 (2020): December
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (273.941 KB) | DOI: 10.20473/fmi.v56i4.24553

Abstract

An achievement in sport is one of the benchmarks of success of every athlete. One of the causes of the performance degradation is fatigue due to the formation of lactic acid. Supplements are proved to improve the performance in athletes. The purpose of this study was to determine the effect of citrulline supplementation on lactic acid levels and oxygen saturation on submaximal physical activity. Fatigue can be seen from lactic acid levels in subjects who have performed physical activity. This research method used randomized group pretest postest group design. The subjects used were male students of pencak silat airlangga university, and divided into two groups. The first group was given placebo and the second group was given citrulline. Each group was given the same treatment of three minutes of submaximal physical activity using an ergocycle. Before and after doing the activity the blood lactic acid and oxygen saturation of the subject was checked. The result of the data showed that lactic acid and oxygen saturation in both groups had p<0,05. Citrulline supplementation had effect on lactic acid and oxygen saturation. The results of the research showed that the group given with citrulline had significant effect on lactic acid and oxygen saturation before and after treatment.
Co-Authors Bambang Purwanto HARJANTO HARJANTO Harlina Harlina Ibrah Fastabiqi Bawana Mukti Wardani, Tjitra