Yusni Yusni
Universitas Brawijaya

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Kebiasaan konsumsi kopi teratur dan pengaruhnya terhadap resorpsi tulang: C-telopeptida dan kalsium serum pada olahragawan Yusni, Yusni; Rahman, Safrizal
Jurnal Gizi Indonesia (The Indonesian Journal of Nutrition) Vol 7, No 2 (2019)
Publisher : Department of Nutrition Science, Faculty of Medicine, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (770.708 KB) | DOI: 10.14710/jgi.7.2.92-98


Background: Coffee is believed and predicted as one of the risk factors for osteoporosis in sedentary and athletes. Long term regular consumption of coffee can lead to hypocalcemia, increase bone resorption and risk of osteoporosis.Objectives: The aim of the study was to analyze the effect of regular coffee consumption on bone resorption, thus predicting the risk of osteoporosis in athletes. The assessment risk of osteoporosis was done by measuring the biomarkers of bone resorption, namely: C-telopeptide (CTx) and serum calcium levels.Methods: The design of this study was a cross-sectional study. The subjects were athletes with regular exercise (aerobic exercise 2 times a week, for 50-60 minutes each training session). The total of samples were 50 people (male = 37; non-coffee=21 and coffee=16 and female=13; non-coffee=7 and coffee=6). Non-coffee is a group that does not consume coffee. Coffee drinkers are a group who regularly consume coffee daily at a dose of 1-2 cups per day (150-200 ml / cup). Coffee consumption habits were obtained from questionnaire interviews. The sampling technique was a total sampling. Examination of serum CTx levels was carried out by the Electro Chemiluminescence Assay method and serum calcium levels were examined using the O-cresolphthalein complexone method. Data were analyzed using the normality test (Kolmogorov-Smirnov), homogeneity (Levene's test) and independent sample t-test, with a significant degree of 95% (p<0.05).Results: The results showed that there was no difference between CTx in male and also female non-coffee (0.415 ng/mL vs. 0.586 ng/mL; p=0.09) and coffee drinkers (0.380 ng/mL vs. 0.512 ng/mL; p=0.35). The normal CTx level is 0.016-0.584 ng/mL. Calcium levels in male (9.70 mg/dL vs. 9.30 mg/dL; p=0.61) and female (9.28 mg/dL vs. 9.23 mg/dL; p=0.72) non-coffee and coffee drinkers were not significantly different. The normal Calcium levels is 9.2-11.0 mg/dL.Conclusion: Regular consumption of coffee does not cause increased CTx and decreased calcium in athletes. Coffee does not cause increased bone resorption, triggers hypocalcemia, therefore regular coffee consumption in physiological doses (1-2 cups/day) is not at risk for early osteoporosis in young athletes.
Calcium Serum Levels and Blood Pressure Response in trained subjects who consumed goat milk Akbar, M. Rizki; Akbar, Ieva Baniasih; Yusni, Yusni
Indonesian Journal of Cardiology Vol 38 No 3 (2017): July - September 2017
Publisher : The Indonesian Heart Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.036 KB)


Background: Calcium plays a role in regulating blood pressure and one exogenous sources of calcium are goat milk. Indonesian society is generally believed that goat milk can lower blood pressure and useful as antihypertensive, but so far have not found scientific evidence of how the mechanism of goat milk for controlling blood pressure. This study aimed to analyze the effect of the consumption of goat milk for lowering blood pressure and its relation to calcium serum levels in people trained. Method: Subjects, 19 gymnasts (the treatment group) and 10 runners (the control group), male and female, aged 17-28 years. Treatment: goat’s milk 250 mg / day, ad­ministered after dinner (at 19:00 to 20:00 pm), for 90 days. Design research is quasy experimental pretest-posttest design. Analysis of data using normality test Kolmogorof Smirnof-Z (p&gt;0.05), Levene homogeneity test (p&gt;0.05), t test (p&lt;0.05) and Pearson correlation test (p &lt;0.05). Results: The results showed systolic blood pressure after consume goat milk decreased significantly in the treatment group compared to the control group (122 ± 7:33 and 10:54 ± 115 vs 119 ± 7.61 ± 4.83 mmHg and 118 mmHg; p &lt;0.05), whereas diastolic blood pressure in the treatment group and the control group (80.42 ± 5:53 and 7:08 ± 78.42 mmHg vs; 78.50 ± 3:37 and 3:16 ± 79 mmHg; p&gt; 0.05) did not show differ­ences after administration of goat’s milk. Serum calcium levels after administration of dairy goats in the treatment group increased significantly compared with the control group (9:47 ± 0:25 and 0:32 ± 9.87 mg / dl vs 9.74 ± 0:42 and 9:37 ± 0:38 mg / dl; p &lt;0.05). The results of Pearson correlation test (r) showed r=-0.45; p=0.05, mean­ing there were nonsignificant correlation between systolic blood pressure with serum calcium levels. Conclusion: Delivery of goat’s milk can decrease systolic blood pressure and stimulates the secretion of calcium, but a decrease in systolic blood pressure was not associated with increased serum calcium levels in people trained. &nbsp; &nbsp; Abstrak Latar Belakang: Kalsium berperan dalam mengatur tekanan darah dan salah satu sumber kalsium eksogen adalah susu kambing. Masyarakat Indonesia umumnya percaya bahwa susu kambing dapat menurunkan tekanan darah dan bermanfaat sebagai antihipertensi, namun sejauh ini belum ditemukan bukti ilmiah bagaimana kerja susu kambing dalam mengontrol tekanan darah. Penelitian ini bertujuan menganalisis pengaruh konsumsi susu kambing dalam menurunkan tekanan darah dan hubungannya dengan kadar kalsium serum pada orang terlatih. Metode: Subjek, 19 pesenam (kelompok perlakuan) dan 10 atlet lari (kelompok kontrol), laki-laki dan perempuan, usia 17-28 tahun. Perlakuan: pemberian susu kambing 250 mg/hari, diberikan setelah makan malam (pukul 19.00-20.00 wib), selama 90 hari. Design penelitian adalah quasy experimental pretest-posttest design. Analisis data menggunakan uji normalitas Kolmogorof Smirnof-Z (p&gt;0,05), uji homogenitas Levene (p&gt;0,05), uji t (p&lt;0,05) dan uji korelasi pearson (p&lt;0,05). Hasil: hasil penelitian menunjukkan tekanan darah sistolik setelah pemberian susu kambing pada kelompok perlakuan menurun signifikan dibandingkan kelompok kontrol (122±7.33 dan 115±10.54 vs 119±7.61 dan 118±4.83 mmHg mmHg; p&lt;0,05), sedangkan tekanan darah diastolic pada kelompok perlakuan dan kelompok kontrol (80.42±5.53 dan 78.42±7.08 mmHg vs; 78.50±3.37 dan 79±3.16 mmHg; p&gt;0,05) tidak menunjukkan perbedaan setelah pemberian susu kambing. Kadar kalsium serum setelah pemberian susu kambing pada kelompok per­lakuan meningkat signifikan dibandingkan dengan kelompok kontrol (9.47±0.25 dan 9.87±0.32 mg/dl vs 9.74±0.42 dan 9.37±0.38 mg/dl; p&lt;0,05). Hasil uji korelasi pearson (r) menunjukkan r=-0,45; p=0,05, artinya terdapat korelasi sedang yang tidak bermakna antara tekanan darah sistolik dengan kadar kalsium serum. Kesimpulan: Pemberian susu kambing dapat menurun tekanan darah sistolik dan merangsang sekresi kalsium namun penurunan tekanan darah sistolik tidak berhubungan dengan peningkatan kadar kalsium serum pada orang terlatih.
Perubahan antropometri, kalsium darah, tekanan darah, dan kebugaran fisik akibat asupan susu kambing pada olahragawan Yusni, Yusni; Amiruddin, Amiruddin
Jurnal Gizi Klinik Indonesia Vol 17, No 3 (2021): Januari
Publisher : Minat S2 Gizi dan Kesehatan, Prodi S2 IKM, FK-KMK UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijcn.53967


Changes in anthropometry, blood calcium, blood pressure, and physical fitness due to goat's milk intake in athletesBackground: The intake of healthy-balanced nutrition is needed by athletes. The complex nutritional content of goat milk such as protein, fat, carbohydrate, vitamin, and mineral acts as sports nutrition during and after training. Objective: This study aims to analyze the effects of goat milk on physical fitness, anthropometrics, blood calcium, and blood pressure in athletes. Methods: A clinical trial was conducted using healthy human subjects. Subjects were runners (n=10 people) as the control group and gymnasts (n=19 people) as the treatment group, male, age 21-27 years, and healthy. Bodyweight (BW), Height, and Body Mass Index (BMI), blood calcium, Systolic Blood Pressure (SBP), Diastolic Blood Pressure (DBP), and physical fitness were examined two times, before and after consuming goat milk. Intervention: fresh goat milk, 250 mg/day (after dinner), and given for 90 days. Data were analyzed using a paired sample t-test and independent sample t-test. Results: There was no difference between BW (p=0.07), BMI (p=0.08), and DBP (p=0.24), but instead there was a significant difference in SBP (p=0.00) before and after goat milk intervention in the experimental group. Blood calcium was significantly increased (p=0.00) in the intervention group, whereas reverse decreased significantly (p=0.02) in controls. A significant difference before and after therapy was found in speed (p=0.00), arm muscle endurance (p=0.01), an-aerobic endurance (p=0.00), agility (p=0.02), however, there was no significant difference between leg muscle power (p=0.13), flexibility (p=0.23), an endurance of abdominal muscles (p=0.26), VO2 max (p=1.15) in the intervention group. Conclusions: Regular consumption of goat milk can reduce SBP, increase blood calcium levels, and improve physical fitness (speed, arm muscle endurance, anaerobic endurance, and agility) in athletes. Goat milk is an essential role in sports nutrition for physical fitness and athlete's health.
Salat Dhuha Improves Blood Pressure: A Randomized Controlled Trial Boy, Elman; Lelo, Aznan; Tarigan, Amira Permatasari; Machrina, Yetty; Yusni, Yusni; Harahap, Juliandi; Sembiring, Rosita Juwita; Syafril, Santi; Sumartiningsih, Sri
Media Ilmu Keolahragaan Indonesia Vol 11, No 2 (2021): December 2021
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/miki.v11i2.34225


The prevalence of hypertension increases with age, more than 1 in every two elderly has hypertension, dominated by women. The primary prevention of hypertension is a worldwide public health concern. Salat dhuha is a moderate-intensity physical activity. Salat 2 movement cycles demonstrated improved systolic and diastolic blood pressure in adults. Our study purpose was to assess the effect of 2 and 8 movement cycles (rakaat) of salat dhuha to improve systolic and diastolic blood pressure in healthy Muslim elderly women. Muslim elderly women in a government senior residence (aged 60-74 years) participated in a 6 weeks controlled trial. We completed formal physical, clinical, and blood assessments before admission. Participants with hypertension history were excluded. The participants were randomized into 2 groups. The intervention group performed 8 rakaat of salat dhuha (n=13) and the control group performed 2 rakaat of salat dhuha (n=13). Two participants were dropped out of this study. At baseline and at the end of 6 weeks, a blood pressure examination is recorded. Parametric and nonparametric methods were used to analyze the data. The baseline characteristics of the two groups of participants were homogeneous. Compared to the control, the 8 rakaat of salat dhuha achieved a significant reduction in systolic and diastolic blood pressure (P0.05) at the end of the 6-weeks period. The findings show that salat dhuha has significant potential to improve blood pressure.