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Jatuporn Phoemsapthawee,Ratree Ruangthai,Piyaporn Tumnak,Andaman Klomklorm,Piyapong Prasertsri,Udomlak Sukatta,Pilanee Vaithanomsat 한국식품영양과학회 2023 Preventive Nutrition and Food Science Vol.28 No.1
Obesity has been associated with lower bone mineral density (BMD) and rapid muscle weakness. Regular exercise and polyunsaturated fatty acid (PUFA) consumption have been recognized as nonpharmaceutical approaches to increase BMD and ameliorate muscle weakness. This study aimed to determine the effects of concurrent training (CCT) and Eri-PUFA supplementation on BMD, muscular strength, and inflammation in obese adults. A total of 33 obese participants were randomly assigned to one of three groups (n=11 per group): (1) a placebo group; (2) an Eri-PUFA ingestion group (ERI); or (3) a CCT and Eri-PUFA ingestion group (CCT+ERI). The ERI and CCT+ERI groups received approximately 2.5 g of linolenic acid per day from Eri silkworm pupae. The exercise program included aerobic and resistance exercises performed under supervision three times per week for 8 weeks. Before and after the 8-week intervention, BMD, muscular strength, and inflammatory markers were measured. Only the CCT+ERI group showed a significant increase in lumbar spine BMD (5.1%, P<0.01) and upper-body muscle strength (16.9%, P<0.01) after the intervention, with differences between the groups. After the intervention, both the ERI and CCT+ERI groups showed a significant decrease in the monocyte-to-lymphocyte ratio (-25%, P<0.01 and -21.4%, P<0.05, respectively) and tumor necrosis factor-alpha (-21.6%, P<0.05 and -19.4%, P<0.05, respectively). These findings demonstrate that combining CCT and Eri-PUFA supplementation increases BMD and upper-body muscular strength and decreases inflammation. Although Eri-PUFA consumption did not affect BMD or muscle strength directly, it may have an additive effect on BMD by reducing inflammation.
Nattawut Songcharern,Ratree Ruangthai,Piyaporn Tumnark,Jatuporn Phoemsapthawee 한국운동재활학회 2022 JER Vol.18 No.6
Prehypertensive offspring of hypertensive parents are strongly linked to pathological processes of hypertension in later life. It is observed that young adults with high blood pressure (BP) have increased arterial stiffness, which is linked to autonomic anomalies. The purpose of the present study was to assess the effect of combined resistance and aer-obic exercise training on BP, brachial-ankle pulse wave velocity (baP-WV), and heart rate variability (HRV) in prehypertensive young men with hypertensive parents. Thirty prehypertensive males aged 19.6±1.2 years were randomly assigned to either a combined exercise training group (CBT, n=15) or no exercise group (CON, n=15). The CBT group performed combined exercise for 8 weeks, 3 times per week. BP, baP-WV, HRV, peak oxygen consumption (VO2peak), and muscle strength were measured before and after the exercise intervention. Systolic BP (-5.1 mmHg, 3.9% decrease, P<0.05), diastolic BP (-3.9 mmHg, 6.1% de-crease, P<0.01), mean arterial pressure (-4.2 mmHg, 4.7% decrease, P<0.05), baPWV (-0.4 m/sec, 3.5% decrease, P<0.01), standard devia-tion of all RR intervals (+58.5% increase, P<0.05) and very low frequen-cy (VLF) (+34.6% increase, P<0.01), VO2peak (+11.7% increase, P<0.01) and one-repetition maximum leg press (+30.3% increase, P<0.01) were significantly improved in the CBT group after 8 weeks of training versus the CON group. Additionally, a reduction in baPWV was associated with an increase in the VLF power of HRV (r=0.72, P<0.01). These findings indicate that the combined training improves BP, arterial stiffness, vagal activity, cardiorespiratory fitness, and lower-body muscle strength in prehypertensive offspring of hypertensive parents.