scholarly journals Effects of Whole-Body Electromyostimulation versus High-Intensity Resistance Exercise on Body Composition and Strength: A Randomized Controlled Study

2016 ◽  
Vol 2016 ◽  
pp. 1-9 ◽  
Author(s):  
Wolfgang Kemmler ◽  
Marc Teschler ◽  
Anja Weißenfels ◽  
Michael Bebenek ◽  
Michael Fröhlich ◽  
...  
Keyword(s):  
Body Composition ◽  
Resistance Exercise ◽  
High Intensity ◽  
Whole Body ◽  
Controlled Study ◽  
Group Differences ◽  
Significant Group ◽  
Gold Standard Reference ◽  
Group 3 ◽  
Single Set

High-intensity (resistance) exercise (HIT) and whole-body electromyostimulation (WB-EMS) are both approaches to realize time-efficient favorable changes of body composition and strength. The purpose of this study was to determine the effectiveness of WB-EMS compared with the gold standard reference HIT, for improving body composition and muscle strength in middle-aged men. Forty-eight healthy untrained men, 30–50 years old, were randomly allocated to either HIT (2 sessions/week) or a WB-EMS group (3 sessions/2 weeks) that exercised for 16 weeks. HIT was applied as “single-set-to-failure protocol,” while WB-EMS was conducted with intermittent stimulation (6 s WB-EMS, 4 s rest; 85 Hz, 350 ms) over 20 minutes. The main outcome parameters were lean body mass (LBM) as determined via dual-energy X-ray absorptiometry and maximum dynamic leg-extensor strength (isokinetic leg-press). LBM changes of both groups (HIT 1.25 ± 1.44% versus WB-EMS0.93±1.15%) were significant (p=.001); however, no significant group differences were detected (p=.395). Leg-extensor strength also increased in both groups (HIT12.7±14.7%,p=.002, versus WB-EMS7.3±10.3%,p=.012) with no significant (p=.215) between-group difference. Corresponding changes were also determined for body fat and back-extensor strength.Conclusion. In summary, WB-EMS can be considered as a time-efficient but pricy option to HIT-resistance exercise for people aiming at the improvement of general strength and body composition.

scholarly journals Protein Supplementation to Augment the Effects of High Intensity Resistance Training in Untrained Middle-Aged Males: The Randomized Controlled PUSH Trial

2017 ◽  
Vol 2017 ◽  
pp. 1-11 ◽  
Author(s):  
Andreas Wittke ◽  
Simon von Stengel ◽  
Michael Hettchen ◽  
Michael Fröhlich ◽  
Jürgen Giessing ◽  
...  
Keyword(s):  
Body Composition ◽  
Resistance Exercise ◽  
Body Mass ◽  
High Intensity ◽  
Training Stimulus ◽  
Protein Supplementation ◽  
Study Endpoint ◽  
Primary Study ◽  
Middle Aged ◽  
Single Set

High intensity (resistance exercise) training (HIT) defined as a “single set resistance exercise to muscular failure” is an efficient exercise method that allows people with low time budgets to realize an adequate training stimulus. Although there is an ongoing discussion, recent meta-analysis suggests the significant superiority of multiple set (MST) methods for body composition and strength parameters. The aim of this study is to determine whether additional protein supplementation may increase the effect of a HIT-protocol on body composition and strength to an equal MST-level. One hundred and twenty untrained males 30–50 years old were randomly allocated to three groups: (a) HIT, (b) HIT and protein supplementation (HIT&P), and (c) waiting-control (CG) and (after cross-over) high volume/high-intensity-training (HVHIT). HIT was defined as “single set to failure protocol” while HVHIT consistently applied two equal sets. Protein supplementation provided an overall intake of 1.5–1.7 g/kg/d/body mass. Primary study endpoint was lean body mass (LBM). LBM significantly improved in all exercise groups (p≤0.043); however only HIT&P and HVHIT differ significantly from control (p≤0.002). HIT diverges significantly from HIT&P (p=0.017) and nonsignificantly from HVHIT (p=0.059), while no differences were observed for HIT&P versus HVHIT (p=0.691). In conclusion, moderate to high protein supplementation significantly increases the effects of a HIT-protocol on LBM in middle-aged untrained males.

scholarly journals High-Intensity Interval Training Combined With Vibration and Dietary Restriction Improves Body Composition and Blood Lipids in Obese Adults: A Randomized Trial

Dose-Response ◽  
2018 ◽  
Vol 16 (3) ◽  
pp. 155932581879701 ◽  
Author(s):  
Borja Sañudo ◽  
Tamara Muñoz ◽  
Gareth W. Davison ◽  
Guillermo Lopez-Lluch ◽  
Jesus del Pozo-Cruz
Keyword(s):  
Body Composition ◽  
Lipid Profile ◽  
Total Cholesterol ◽  
Body Fat ◽  
High Intensity ◽  
Interval Training ◽  
Hypocaloric Diet ◽  
Whole Body ◽  
High Intensity Interval Training ◽  
High Intensity Interval

This study aimed to compare the effect of high-intensity interval training (HIIT) with additional whole-body vibration (WBV) on body composition and lipid profile in obese/overweight adults on a hypocaloric diet. Forty adults were randomly assigned to (a) HIIT and vibration and hypocaloric diet (HIITWBV, n = 13), (b) HIIT and diet (HIIT, n = 14), and (c) diet only (control [CON], n = 13). High-intensity interval training WBV participants trained 3 times per week for 8 weeks (6 sets × 1 minute of HIIT, cycling at 90% heart rate peak followed by 1 minute of interset vibration, at a frequency of 18 Hz increasing until 25 Hz with a peak-to-peak displacement of 4 mm. Training volume increased 1 set every 2 weeks until 10 sets). The HIIT group performed HIIT training followed by 2 minutes of passive recovery, while the CON continued with their daily activities combined with calorie restriction. Body composition (body fat and fat-free mass) and biochemical indices (glucose, total cholesterol, high-density lipoprotein cholesterol, and triglycerides) were determined. Following 8 weeks, body fat was significantly reduced by 7.5% and both triglycerides and total cholesterol decreased in the HIITWBV group only (−16.5% and −11.7% respectively). This study suggests that HIIT in combination with WBV and a hypocaloric diet can improve overall lipid profile in overweight/obese individuals.

scholarly journals Fitness Effects of 10-Month Frequent Low-Volume Ball Game Training or Interval Running for 8–10-Year-Old School Children

2017 ◽  
Vol 2017 ◽  
pp. 1-9 ◽  
Author(s):  
Malte Nejst Larsen ◽  
Claus Malta Nielsen ◽  
Christina Ørntoft ◽  
Morten Bredsgaard Randers ◽  
Eva Wulff Helge ◽  
...  
Keyword(s):  
School Children ◽  
High Intensity ◽  
Whole Body ◽  
Group Differences ◽  
Control Group ◽  
Training Groups ◽  
High Intensity Training ◽  
Fitness Effects ◽  
Before And After ◽  
Low Volume

We investigated the exercise intensity and fitness effects of frequent school-based low-volume high-intensity training for 10 months in 8–10-year-old children. 239 Danish 3rd-grade school children from four schools were cluster-randomised into a control group (CON,n=116) or two training groups performing either5×12 min/wk small-sided football plus other ball games (SSG,n=62) or interval running (IR,n=61). Whole-body DXA scans, flamingo balance, standing long-jump, 20 m sprint, and Yo-Yo IR1 children’s tests (YYIR1C) were performed before and after the intervention. Mean running velocity was higher (p<0.05) in SSG than in IR (0.88±0.14versus0.63±0.20 m/s), while more time (p<0.05) was spent in the highest player load zone (>2;5.6±3.4versus3.7±3.4%) and highest HR zone (>90%HRmax;12.4±8.9versus8.4±8.0%) in IR compared to SSG. After 10 months, no significant between-group differences were observed for YYIR1C performance and HR after 2 min of YYIR1C (HRsubmax), but median-split analyses showed thatHRsubmaxwas reduced (p<0.05) in both training groups compared to CON for those with the lowest aerobic fitness (SSG versus CON: 3.2%  HRmax[95% CI: 0.8–5.5]; IR versus CON: 2.6%  HRmax[95% CI: 1.1–5.2]). After 10 months, IR had improved (p<0.05) 20 m sprint performance (IR versus CON: 154 ms [95% CI: 61–241]). No between-group differences (p>0.05) were observed for whole-body or leg aBMD, lean mass, postural balance, or jump length. In conclusion, frequent low-volume ball games and interval running can be conducted over a full school year with high intensity rate but has limited positive fitness effects in 8–10-year-old children.

scholarly journals Adipose tissue distribution in relation to insulin resistance in type 2 diabetes mellitus

2007 ◽  
Vol 293 (1) ◽  
pp. E435-E442 ◽  
Author(s):  
Koichiro Azuma ◽  
Leonie K. Heilbronn ◽  
Jeanine B. Albu ◽  
Steven R. Smith ◽  
Eric Ravussin ◽  
...  
Keyword(s):  
Insulin Resistance ◽  
Type 2 Diabetes ◽  
Body Composition ◽  
Adipose Tissue ◽  
Group Differences ◽  
Adipocyte Size ◽  
Significant Group ◽  
Hepatic Fat ◽  
Group Sex

Insulin resistance (IR) is typically more severe in obese individuals with type 2 diabetes (T2DM) than in similarly obese non-diabetics but whether there are group differences in body composition and whether such differences contribute to the more severe IR of T2DM is uncertain. DEXA and regional CT imaging were conducted to assess adipose tissue (AT) distribution and fat content in liver and muscle in 67 participants with T2DM (F39/M28, age 60 ± 7 yr, BMI 34 ± 3 kg/m2) and in 35 similarly obese, non-DM volunteers (F20/M15, age 55 ± 8 yr, BMI 33 ± 2 kg/m2). A biopsy of subcutaneous abdominal AT was done to measure adipocyte size. A glucose clamp was performed at an insulin infusion of 80 mU·min−1·m−2. There was more severe IR in T2DM (6.1 ± 2.3 vs. 9.9 ± 3.3 mg·min−1·kg FFM−1; P < 0.01). Group comparisons of body composition parameters was performed after adjusting for the effect of age, gender, race, height and total fat mass (FM). T2DM was associated with less leg FM (−1.2 ± 0.4 kg, P < 0.01), more trunk FM (+1.1 ± 0.4 kg, P < 0.05), greater hepatic fat ( P < 0.05), and more subfascial adipose tissue around skeletal muscle ( P < 0.05). There was a significant group × sex interaction for VAT ( P < 0.01), with greater VAT in women with T2DM ( P < 0.01). Mean adipocyte size (AS) did not significantly differ across groups, and smaller AS was associated with increased leg FM, whereas larger AS was related to more trunk FM (both P < 0.05). Group differences in IR were less after adjusting for group differences in leg FM, trunk FM, and hepatic fat, but these adjustments only partially accounted for the greater severity of IR in T2DM. In summary, T2DM, compared with similarly obese nondiabetic men and women, is associated with less leg FM and greater trunk FM and hepatic fat.

scholarly journals Once-Weekly Whole-Body Electromyostimulation Increases Strength, Stability and Body Composition in Amateur Golfers. A Randomized Controlled Study

2021 ◽  
Vol 18 (11) ◽  
pp. 5628
Author(s):  
Carina Zink-Rückel ◽  
Matthias Kohl ◽  
Sebastian Willert ◽  
Simon von Stengel ◽  
Wolfgang Kemmler
Keyword(s):  
Body Composition ◽  
Body Fat ◽  
Low Frequency ◽  
Fat Content ◽  
Whole Body ◽  
Controlled Study ◽  
Control Group ◽  
Intention To Treat ◽  
Habitual Activity ◽  
Body Fat Content

Whole-body electromyostimulation (WB-EMS), an innovative training technology, is considered as a joint-friendly, highly customizable and particularly time-effective option for improving muscle strength and stability, body composition and pain relief. The aim of the present study was to determine the effect of 16 weeks of once-weekly WB-EMS on maximum isometric trunk (MITS), leg extensor strength (MILES), lean body mass (LBM) and body-fat content. A cohort of 54 male amateur golfers, 18 to 70 years old and largely representative for healthy adults, were randomly assigned to a WB-EMS (n = 27) or a control group (CG: n = 27). Bipolar low-frequency WB-EMS combined with low-intensity movements was conducted once per week for 20 min at the participants’ locations, while the CG maintained their habitual activity. The intention to treat analysis with multiple imputation was applied. After 16 weeks of once-weekly WB-EMS application with an attendance rate close to 100%, we observed significant WB-EMS effects on MITS (p < 0.001), MILES (p = 0.001), LBM (p = 0.034), but not body-fat content (p = 0.080) and low-back pain (LBP: p ≥ 0.078). In summary, the commercial setting of once-weekly WB-EMS application is effective to enhance stability, maximum strength, body composition and, to a lower extent, LBP in amateur golfers widely representative for a healthy male cohort.

Einfluss der Belastungsdauer beim HIT-Krafttraining

2016 ◽  
Vol 64 (3) ◽  
Keyword(s):  
Body Composition ◽  
Strength Training ◽  
Intervention Group ◽  
Whole Body ◽  
Strength Performance ◽  
High Intensity Training ◽  
Relevant Effect ◽  
Strength Exercises ◽  
Intensity Training ◽  
Single Set

High intensity training (HIT) is a variant of single-set training. It is becoming increasingly popular in strength training practice. Contrary to the large number of research on multiple-set training, empirical investigations addressing HIT are rare. There is evidence that an important factor for muscle hypertrophy is the muscle time under tension (TUT). However, scientific knowledge about the optimal length of the TUT is lacking. Therefore, the aim of the present study was to compare the effects of a rather short TUT (20–40 s) with a rather long TUT (50–70 s) during HIT strength training. Nine experienced recreational sportsmen completed a ten week HIT strength training either with the short or the long TUT. The participants performed a whole-body training program with nine strength exercises twice a week. After the intervention they showed significant improvements of 5-RM (p < 0.05; 0.780 ≤ η2 ≤ 0.906) for all strength exercises. The short TUT intervention group increased their strength performance by 20.6%–44.2%, whereas the long TUT intervention group improved by 12.3%–33.7%. There were no statistically significant differences between both intervention groups (p > 0.05; 0.007 ≤ η2 ≤ 0.340). With respect to body composition, the participants increased their body weight from pre- to posttest (p < 0.05; η2 = 0.515), which could be explained by the significant growth of muscle mass (p < 0.05; η2 = 0.634). Statistically significant differences between both intervention groups were not found for any of the investigated body composition parameters (p > 0.05; 0.039 ≤ η2 ≤ 0.123). In conclusion, the study verifies the high effectiveness of HIT strength training. Moreover, the results indicate that the TUT within a HIT strength training has no practically relevant effect, if the TUT amounts between 20–70 s until first concentric muscle failure.

scholarly journals Clinical Evaluation on Digestive and Metabolic Parameters of a Prodosomed Enzyme Formulation, N-SORB: A Randomized, Double-Blind, Placebo-Controlled Study

2020 ◽  
Vol 4 (Supplement_2) ◽  
pp. 737-737
Author(s):  
Debasis Bagchi ◽  
Sreejayan Nair ◽  
Derek Smith ◽  
Rama Nair ◽  
Berrnard Downs ◽  
...  
Keyword(s):  
Body Composition ◽  
Sleep Quality ◽  
Physical Health ◽  
Lipid Profile ◽  
Case Studies ◽  
Sleep Pattern ◽  
Whole Body ◽  
Controlled Study ◽  
Double Blind ◽  
Double Blind Placebo

Abstract Objectives Optimal nutrition and natural digestive enzymes play a critical role in enhancing healthy digestion. N-SORB, a novel KD120 liquid multienzyme complex was developed and encapsulated using a SK713 SLP absorption technology (Prodosome®). A randomized, double-blind placebo-controlled investigation over a period of 90 consecutive days was conducted to determine the safety and efficacy of N-SORB on diverse parameters of the blood, immune health and physical health. Methods Forty-six (age: 25.8 ± 12.1 years) healthy volunteers received either N-SORB or placebo for 90 consecutive days. Complete blood count, as well as blood glucose, liver enzymes, and lipid profile were assessed pre- and post-intervention. Serum cytokine levels were determined using ELISA. Whole Body composition analysis was performed by DEXA to determine body fat mass, lean mass and android and gynoid fat. Body weight, blood pressure, and physical health were assessed. Changes in quality of life (QOL) were examined using WHOQOL-BREF questionnaire. Sleep quality was assessed using Pittsburgh Sleep Quality Index (PSQI) questionnaire. Adverse events were monitored. This clinical investigation was followed by three case studies. Results 40 subjects completed the study. Compared to placebo, changes in blood cell counts including hematocrit, hemoglobin, mean corpuscular volume, platelets and lymphocytes provide evidence indicating consistent trends of improvement. QOL parameters showed significant improvement in N-SORB group. A significant increase was observed in AST level in the placebo group, while, no increase was observed in the N-SORB group. In either group, no significant changes in BUN, serum creatinine, ALP, ALT, and lipid profile were observed. No adverse effects were reported. Case study volunteers also reported encouraging results. Conclusions N-SORB exhibited trends of improvement in some RBC and immune parameters and found improvements in QOL and PSQI; but didn't significantly alter cardiometabolic parameters, lipid profile or body composition. N-SORB induced significant improvement in digestive health, metabolism and sleep pattern. Case studies indicated significant improvement in digestion, sleep pattern and metabolic health. Funding Sources This Project was funded by VNI Inc, Lederach, PA.

Sign in / Sign up

Export Citation Format

Share Document