Effects of Whole-Body Low-Intensity Resistance Training With Slow Movement and Tonic Force Generation on Muscular Size and Strength in Young Men

2008 ◽  
Vol 22 (6) ◽  
pp. 1926-1938 ◽  
Author(s):  
Michiya Tanimoto ◽  
Kiyoshi Sanada ◽  
Kenta Yamamoto ◽  
Hiroshi Kawano ◽  
Yuko Gando ◽  
...  
Keyword(s):  
Resistance Training ◽  
Young Men ◽  
Force Generation ◽  
Whole Body ◽  
Slow Movement ◽  
Low Intensity

Low-intensity resistance training with slow movement and tonic force generation increases basal limb blood flow

2009 ◽  
Vol 29 (2) ◽  
pp. 128-135 ◽  
Author(s):  
Michiya Tanimoto ◽  
Hiroshi Kawano ◽  
Yuko Gando ◽  
Kiyoshi Sanada ◽  
Kenta Yamamoto ◽  
...  
Keyword(s):  
Blood Flow ◽  
Resistance Training ◽  
Force Generation ◽  
Slow Movement ◽  
Limb Blood Flow ◽  
Low Intensity

Effects of low-intensity resistance exercise with slow movement and tonic force generation on muscular function in young men

2006 ◽  
Vol 100 (4) ◽  
pp. 1150-1157 ◽  
Author(s):  
Michiya Tanimoto ◽  
Naokata Ishii
Keyword(s):  
Exercise Training ◽  
Resistance Exercise ◽  
Young Men ◽  
Force Generation ◽  
Exercise Session ◽  
Muscular Hypertrophy ◽  
Slow Movement ◽  
Repetition Maximum ◽  
Low Intensity ◽  
Normal Speed

We investigated the acute and long-term effects of low-intensity resistance exercise (knee extension) with slow movement and tonic force generation on muscular size and strength. This type of exercise was expected to enhance the intramuscular hypoxic environment that might be a factor for muscular hypertrophy. Twenty-four healthy young men without experience of regular exercise training were assigned into three groups ( n = 8 for each) and performed the following resistance exercise regimens: low-intensity [∼50% of one-repetition maximum (1RM)] with slow movement and tonic force generation (3 s for eccentric and concentric actions, 1-s pause, and no relaxing phase; LST); high-intensity (∼80% 1RM) with normal speed (1 s for concentric and eccentric actions, 1 s for relaxing; HN); low-intensity with normal speed (same intensity as for LST and same speed as for HN; LN). In LST and HN, the mean repetition maximum was 8RM. In LN, both intensity and amount of work were matched with those for LST. Each exercise session consisting of three sets was performed three times a week for 12 wk. In LST and HN, exercise training caused significant ( P < 0.05) increases in cross-sectional area determined with MRI and isometric strength (maximal voluntary contraction) of the knee extensors, whereas no significant changes were seen in LN. Electromyographic and near-infrared spectroscopic analyses showed that one bout of LST causes sustained muscular activity and the largest muscle deoxygenation among the three types of exercise. The results suggest that intramuscular oxygen environment is important for exercise-induced muscular hypertrophy.

scholarly journals Effect of oral DHEA on serum testosterone and adaptations to resistance training in young men

1999 ◽  
Vol 87 (6) ◽  
pp. 2274-2283 ◽  
Author(s):  
Gregory A. Brown ◽  
Matthew D. Vukovich ◽  
Rick L. Sharp ◽  
Tracy A. Reifenrath ◽  
Kerry A. Parsons ◽  
...  
Keyword(s):  
Resistance Training ◽  
Young Men ◽  
Serum Testosterone ◽  
Treated Group ◽  
Whole Body ◽  
Total Testosterone ◽  
Resistance Training Program ◽  
Body Resistance ◽  
Liver Transaminases ◽  
And Training

This study examined the effects of acute dehydroepiandrosterone (DHEA) ingestion on serum steroid hormones and the effect of chronic DHEA intake on the adaptations to resistance training. In 10 young men (23 ± 4 yr old), ingestion of 50 mg of DHEA increased serum androstenedione concentrations 150% within 60 min ( P < 0.05) but did not affect serum testosterone and estrogen concentrations. An additional 19 men (23 ± 1 yr old) participated in an 8-wk whole body resistance-training program and ingested DHEA (150 mg/day, n = 9) or placebo ( n = 10) during weeks 1, 2, 4, 5, 7, and 8. Serum androstenedione concentrations were significantly ( P < 0.05) increased in the DHEA-treated group after 2 and 5 wk. Serum concentrations of free and total testosterone, estrone, estradiol, estriol, lipids, and liver transaminases were unaffected by supplementation and training, while strength and lean body mass increased significantly and similarly ( P < 0.05) in the men treated with placebo and DHEA. These results suggest that DHEA ingestion does not enhance serum testosterone concentrations or adaptations associated with resistance training in young men.

scholarly journals Effect of whole body resistance training on arterial compliance in young men

2005 ◽  
Vol 90 (4) ◽  
pp. 645-651 ◽  
Author(s):  
M. Rakobowchuk ◽  
C. L. McGowan ◽  
P. C. de Groot ◽  
D. Bruinsma ◽  
J. W. Hartman ◽  
...  
Keyword(s):  
Resistance Training ◽  
Arterial Compliance ◽  
Young Men ◽  
Whole Body ◽  
Body Resistance

scholarly journals Similar improvements in cognitive inhibitory control following low-intensity resistance exercise with slow movement and tonic force generation and high-intensity resistance exercise in healthy young adults: a preliminary study

2021 ◽  
Vol 71 (1) ◽  
Author(s):  
Kento Dora ◽  
Tadashi Suga ◽  
Keigo Tomoo ◽  
Takeshi Sugimoto ◽  
Ernest Mok ◽  
...  
Keyword(s):  
Resistance Exercise ◽  
Recovery Period ◽  
Force Generation ◽  
Exercise Recovery ◽  
Slow Movement ◽  
Post Exercise ◽  
Repetition Maximum ◽  
Low Intensity ◽  
Time Interaction ◽  
Post Exercise Recovery

AbstractThis study compared the effects of low-intensity resistance exercise with slow movement and tonic force generation (ST-LRE) and high-intensity resistance exercise (HRE) on post-exercise improvements in cognitive inhibitory control (IC). Sixteen young males completed ST-LRE and HRE sessions in a crossover design. Bilateral knee extensor ST-LRE and HRE (8 repetitions/set, 6 sets) were performed with 50% of one-repetition maximum with slow contractile speed and 80% of one-repetition maximum with normal contractile speed, respectively. The IC was assessed using the color–word Stroop task at six time points: baseline, pre-exercise, immediate post-exercise, and every 10 min during the 30-min post-exercise recovery period. The blood lactate response throughout the experimental session did not differ between ST-LRE and HRE (condition × time interaction P = 0.396: e.g., mean ± standard error of the mean; 8.1 ± 0.5 vs. 8.1 ± 0.5 mM, respectively, immediately after exercise, P = 0.983, d = 0.00). Large-sized decreases in the reverse-Stroop interference scores, which represent improved IC, compared to those before exercise (i.e., baseline and pre-exercise) were observed throughout the 30 min post-exercise recovery period for both ST-LRE and HRE (decreasing rate ≥ 38.8 and 41.4%, respectively, all ds ≥ 0.95). The degree of post-exercise IC improvements was similar between the two protocols (condition × time interaction P = 0.998). These findings suggest that despite the application of a lower exercise load, ST-LRE improves post-exercise IC similarly to HRE, which may be due to the equivalent blood lactate response between the two protocols, in healthy young adults.

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