Hormonal and Metabolic Responses to a Single Bout of Resistance Exercise in Prader-Willi Syndrome

2017 ◽  
Vol 87 (3) ◽  
pp. 153-161 ◽  
Author(s):  
Daniela A. Rubin ◽  
Susan J. Clark ◽  
Andrea M. Haqq ◽  
Diobel M. Castner ◽  
Jason Ng ◽  
...  
Keyword(s):  
Resistance Exercise ◽  
Metabolic Responses ◽  
Prader Willi Syndrome ◽  
Single Bout

Selected Contribution: Acute cellular and molecular responses to resistance exercise

2002 ◽  
Vol 93 (1) ◽  
pp. 394-403 ◽  
Author(s):  
Fadia Haddad ◽  
Gregory R. Adams
Keyword(s):  
Resistance Exercise ◽  
Intracellular Signaling ◽  
Time Course ◽  
Compensatory Hypertrophy ◽  
Molecular Responses ◽  
Single Bout ◽  
And Control ◽  
Myogenic Markers ◽  
Rest Intervals

Training protocols apply sequential bouts of resistance exercise (RE) to induce the cellular and molecular responses necessary to produce compensatory hypertrophy. This study was designed to 1) define the time course of selected cellular and molecular responses to a single bout of RE and 2) examine the effects of interbout rest intervals on the summation of these responses. Rat muscles were exposed to RE via stimulation of the sciatic nerve in vivo. Stimulated and control muscles were obtained at various time points post-RE and analyzed via Western blot and RT-PCR. A single bout of RE increased intracellular signaling (i.e., phosphorylations) and expression of mRNAs for insulin-like growth factor-I system components and myogenic markers (e.g., cyclin D1, myogenin). A rest interval of 48 h between RE bouts resulted in much greater summation of myogenic responses than 24- or 8-h rest intervals. This experimental approach should be useful for studying the regulatory mechanisms that control the hypertrophy response. These methods could also be used to compare and contrast different exercise parameters (e.g., concentric vs. eccentric, etc.).

scholarly journals A single bout of resistance exercise does not modify cardiovascular responses during daily activities in patients with peripheral artery disease

2014 ◽  
Vol 19 (2) ◽  
pp. 64-71 ◽  
Author(s):  
Lausanne B.C.C. Rodrigues ◽  
Cláudia L.M. Forjaz ◽  
Aluísio H.R.A. Lima ◽  
Alessandra S. Miranda ◽  
Sérgio L.C. Rodrigues ◽  
...  
Keyword(s):  
Resistance Exercise ◽  
Peripheral Artery Disease ◽  
Cardiovascular Responses ◽  
Daily Activities ◽  
Peripheral Artery ◽  
Single Bout ◽  
Artery Disease

scholarly journals Resistance training reduces the acute exercise-induced increase in muscle protein turnover

1999 ◽  
Vol 276 (1) ◽  
pp. E118-E124 ◽  
Author(s):  
S. M. Phillips ◽  
K. D. Tipton ◽  
A. A. Ferrando ◽  
R. R. Wolfe
Keyword(s):  
Resistance Training ◽  
Resistance Exercise ◽  
Acute Exercise ◽  
Muscle Protein ◽  
Exercise Bout ◽  
Muscle Contractions ◽  
Breakdown Rates ◽  
Single Bout ◽  
Fractional Synthesis ◽  
Exercise Induced

We examined the effect of resistance training on the response of mixed muscle protein fractional synthesis (FSR) and breakdown rates (FBR) by use of primed constant infusions of [2H5]phenylalanine and [15N]phenylalanine, respectively, to an isolated bout of pleiometric resistance exercise. Trained subjects, who were performing regular resistance exercise (trained, T; n = 6), were compared with sedentary, untrained controls (untrained, UT; n = 6). The exercise test consisted of 10 sets (8 repetitions per set) of single-leg knee flexion (i.e., pleiometric muscle contraction during lowering) at 120% of the subjects’ predetermined single-leg 1 repetition maximum. Subjects exercised one leg while their contralateral leg acted as a nonexercised (resting) control. Exercise resulted in an increase, above resting, in mixed muscle FSR in both groups (UT: rest, 0.036 ± 0.002; exercise, 0.0802 ± 0.01; T: rest, 0.045 ± 0.004; exercise, 0.067 ± 0.01; all values in %/h; P< 0.01). In addition, exercise resulted in an increase in mixed muscle FBR of 37 ± 5% (rest, 0.076 ± 0.005; exercise, 0.105 ± 0.01; all values in %/h; P < 0.01) in the UT group but did not significantly affect FBR in the T group. The resulting muscle net balance (FSR − FBR) was negative throughout the protocol ( P < 0.05) but was increased in the exercised leg in both groups ( P < 0.05). We conclude that pleiometric muscle contractions induce an increase in mixed muscle protein synthetic rate within 4 h of completion of an exercise bout but that resistance training attenuates this increase. A single bout of pleiometric muscle contractions also increased the FBR of mixed muscle protein in UT but not in T subjects.

scholarly journals Effects of Single versus Multiple Bouts of Resistance Training on Maximal Strength and Anaerobic Performance

2018 ◽  
Vol 62 (1) ◽  
pp. 231-240 ◽  
Author(s):  
Kai Shiau ◽  
Te Hung Tsao ◽  
Chang Bin Yang
Keyword(s):  
Resistance Training ◽  
Resistance Exercise ◽  
Bench Press ◽  
Upper Body ◽  
Anaerobic Performance ◽  
Maximal Strength ◽  
Post Intervention ◽  
Significant Difference ◽  
Single Bout ◽  
Before And After

Abstract This study examined the effects of one single bout daily versus triple bouts of resistance exercise for 12 weeks on muscular strength and anaerobic performance of the upper body. Twenty young male adults (age: 22.0 ± 1.0 years, bench press: 44.0 ± 10.3 kg) were randomly assigned to a single bout (SB) or triple bouts (TB) of resistance exercise group. Maximal strength and anaerobic performance of the upper body using the bench press (one-repetition maximum) and the modified 30 s Wingate test were determined before and after the intervention. Additionally, changes in lactate levels before and after the Wingate test were measured. Although the SB and TB groups showed a significant increase in maximal strength (post-intervention, SB: 67.2 ± 9.2 and TB: 67.6 ± 7.6 kg, respectively) compared with the values at pre-intervention (SB: 44.6 ± 11.4 and TB: 43.9 ± 8.7 kg, respectively), there was no significant difference for this variable between the two groups post-intervention (p > 0.05). The anaerobic performance of the upper body in the SB and TB groups also displayed improvements without significant difference between the two groups after the completion of different training regimes. On the basis of the same training volume, multiple bouts of resistance training showed similar improvements in maximal strength and anaerobic performance to one bout of resistance training in young adult men without prior experience in resistance training

Resistance exercise attenuates postprandial metabolic responses to a high-fat meal similarly in younger and older men

2020 ◽  
Vol 83 ◽  
pp. 73-85
Author(s):  
Nathaniel D.M. Jenkins ◽  
Nile F. Banks ◽  
Emily M. Rogers ◽  
Christina M. Sciarrillo ◽  
Nicholas A. Koemel ◽  
...  
Keyword(s):  
Resistance Exercise ◽  
Older Men ◽  
Metabolic Responses ◽  
High Fat ◽  
Fat Meal

A Single Bout of Aerobic Exercise Compromises Down-regulation of MuRF Expression Subsequent to Resistance Exercise

2011 ◽  
Vol 43 (Suppl 1) ◽  
pp. 42
Author(s):  
Tommy Lundberg ◽  
Rodrigo Fernandez-Gonzalo ◽  
Thomas Gustafsson ◽  
Per A. Tesch
Keyword(s):  
Resistance Exercise ◽  
Aerobic Exercise ◽  
Down Regulation ◽  
Single Bout

Low-dose Ginsenosides Supplementation Suppress The Muscle Damage And Oxidative Stress After Single Bout Resistance Exercise

2010 ◽  
Vol 42 ◽  
pp. 789
Author(s):  
Shu-Yun Lu ◽  
Hsiu-Hua Chen ◽  
Mei-Chih Chen ◽  
Li-Yen Tsao ◽  
Anthony Haddrick ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Resistance Exercise ◽  
Muscle Damage ◽  
Low Dose ◽  
Single Bout ◽  
And Oxidative Stress
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