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"Weight training."
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Explosive lifting for sports
'Explosive Lifting for Sports' takes a detailed look at the safest, most effective learning progressions for a variety of lifts. It includes key technical adjustments and exercise options for different body types.
Book
Correction: Motor variability during resistance training: Acceleration signal as intensity indicator
[This corrects the article DOI: 10.1371/journal.pone.0307949.].
Journal Article
A practical approach to strength training
This book describes in detail how to do nearly 100 different exercises with free weights, machines and manual resistance with instructional photographs included.
BOOK
Changes in phase angle and body composition induced by resistance training in older women
Background:
Resistance training (RT) has selective effects on body composition that may counteract the deleterious effects of aging. Changes in phase angle (PhA) may serve to monitor the influence of RT in older people.
Objectives:
To describe the effect of RT in training, detraining and retraining on body composition, including PhA in older women.
Subjects/methods:
Thirty-three older women (⩾60 years old) participated. The RT program was carried out over 12 weeks for each stage (training, detraining and retraining). Whole-body fat-free mass and fat mass (FM) and appendicular lean soft tissue (ALST) measurements were carried out using a dual energy X-ray absorptiometry. Bioimpedance spectroscopy was used to estimate total body water (TBW), intra (ICF) and extracellular (ECF) fluids, whole-body resistance (
R
) and reactance (Xc) and PhA. Upper and lower body muscle strength were also assessed.
Results:
From baseline to after training muscle strength, ALST and PhA significantly (
P
<0.05) increased. In detraining, significant (
P
<0.05) reductions in muscle strength, TBW, ECF, ICF and PhA along with significant (
P
<0.05) increases in
R
were observed, with the greatest magnitude observed for PhA (Δ=−7.6%). From detraining to retraining a significant reduction in FM along with increases in Xc, PhA and muscle strength were observed. Although an increase was observed from detraining to retraining in PhA, the values were still lower than baseline PhA.
Conclusions:
In untrained older women, a RT is associated with increases in PhA, whereas detraining results in a marked decrease in PhA, and more time may be required in retraining to counteract the negative influence of absence of exercise stimulus.
Journal Article
Effect of abdominal weight training with and without cough machine assistance on lung function in the patients with prolonged mechanical ventilation: a randomized trial
Purpose
The patients with prolonged mechanical ventilation (PMV) have the risk of ineffective coughing and infection due to diaphragm weakness. This study aimed to explore the effect of abdominal weight training (AWT) intervention with/without cough machine (CM) assistance on lung function, respiratory muscle strength and cough ability in these patients.
Methods
Forty patients with PMV were randomly assigned to three groups: AWT group (
n
= 12), AWT + CM group (
n
= 14) and control group (
n
= 14). Change of maximum inspiratory pressure (MIP), Maximum expiratory pressure (MEP) and peak cough flow (PCF) between 1 day before and 2 weeks after the intervention were compared among these three groups.
Results
MIP before and after intervention in AWT group (30.50 ± 11.73 vs. 36.00 ± 10.79;
p
< 0.05) and AWT + CM group (29.8 ± 12.14 vs. 36.14 ± 10.42;
p
< 0.05) compared with control group (28.43 ± 9.74 vs 26.71 ± 10.77;
p
> 0.05) was significantly improved. MEP before and after intervention in AWT group (30.58 ± 15.19 vs. 41.50 ± 18.33;
p
< 0.05) and AWT + CM group (27.29 ± 12.76 vs 42.43 ± 16.96;
p
< 0.05) compared with control group (28.86 ± 10.25 vs. 29.57 ± 14.21;
p
> 0.05) was significantly improved. PCF before and after intervention in AWT group in AWT group (105.83 ± 16.21 vs. 114.17 ± 15.20;
p
< 0.05) and AWT + CM group (108.57 ± 18.85 vs. 131.79 ± 38.96;
p
< 0.05) compared to control group (108.57 ± 19.96 vs. 109.86 ± 17.44;
p
> 0.05) showed significant improvements. AWT + CM group had significantly greater improvements than control group in MIP and peak cough flow than control group (13.71 ± 11.28 vs 19.64 ± 29.90,
p
< 0.05).
Conclusion
AWT can significantly improve lung function, respiratory muscle strength, and cough ability in the PMV patients. AWT + CM can further improve their expiratory muscle strength and cough ability.
Trial registration
ClinicalTrials.gov registry (registration number:
NCT0529538
retrospectively registered on March 3, 2022).
Journal Article
Circuit Weight Training Enhances Quality of Life and Functional Outcomes in Breast Cancer Survivors: A Randomized Controlled Trial
This study was intended to explore the effectiveness of Circuit Weight Training (CWT) on quality of Life, balance, strength, and functional Capacity in female breast cancer patients.
Fifty female post-mastectomy patients, aged 35 to 50 years, were recruited. They were randomly split into two equal groups: a control group and a study group. Both groups participated in a standardized physiotherapy program thrice weekly for eight weeks, focusing on shoulder mobility exercises under expert supervision. In addition, Group A (study group, n = 25) performed a Circuit Weight Training (CWT) protocol alongside physiotherapy, consisting of two exercise circuits per session with functional and aerobic components, conducted at moderate intensity. Group B (control group, n = 25) received the physiotherapy program without the CWT component. Outcome measures included muscle strength (measured via a Handheld Dynamometer), postural stability and limits of stability (assessed using the BIODEX Balance System SD), functional capacity (evaluated with the 2-Minute Step Test), and health-related quality of life (HRQoL) (assessed via the 12-item Short Form Survey).
The study group indicated statistically significant improvements in muscle strength: 14.98% (middle and lower trapezius), 17.37% (teres major), 19.79% (latissimus dorsi), 13.63% (quadriceps), 15.59% (hamstrings), 19.63% (gluteus maximus), 14.60% (gluteus medius), 14.95% (dorsiflexors), and 12.87% (plantar flexors) (P = 0.001). Improvements were also observed in balance parameters: limits of stability (38.18%), postural stability (47.69%), and single-leg stance (49.67%) (P = 0.001). Functional capacity increased by 36.50% (P = 0.001). Additionally, significant improvements in HRQoL were recorded: 49.82% in the mental section and 50.33% in the physical section of SF-12 (P = 0.001).
Circuit Weight Training significantly enhances postural stability, muscle strength, functional capacity, and HRQoL in postmastectomy breast cancer patients. These findings underscore the value of incorporating structured exercise programs into oncology rehabilitation protocols.
Journal Article
Strength training : the complete step-by-step guide to a stronger, sculpted body
Presents a training guide to improving muscle strength and overall appearance, providing detailed diagrams of over 125 exercises for both men and women, programs using both free and fixed weights, and advice on nutrition and warming up exercises.
BOOK
A Light‐Weight and Controllable Attention Mechanism for Interleaved Signal Recognition with High Similarity
To tackle the challenge of recognizing highly similar interleaved signals, this paper proposes a novel recognition method leveraging a spatial dimensional upgrading transformation squeeze and excitation (SD‐SE) block. Unlike traditional attention mechanisms reliant on internal back‐propagation, SD‐SE block offers enhanced controllability and effectiveness. It introduces SD‐SE, a pre‐weighted training network, using a lightweight, manually controllable approach. The block addresses issues of initial weight randomness and incomplete signal characteristic utilization in attention mechanisms. Furthermore, SD‐SE mitigates CNN's tendency to lose key information during feature extraction. Experiments show SD‐SE achieves superior accuracy in recognizing highly similar interleaved signals, resolving challenges in complex signal recognition. Notably, this lightweight module is compatible with various attention networks, broadening its applicability. To tackle the challenge of recognizing highly similar interleaved signals, this paper proposes a novel recognition method leveraging a spatial dimensional upgrading transformation squeeze and excitation (SD‐SE) block. The biggest advantage of the algorithm is that it allows the training effect of the neural network itself to be determined not only by the data quality and the network itself. The SD‐SE module enables the modeler to manually control the training direction or initial values of the parameters within the network, based on the prior knowledge obtained from data analysis, thereby making better use of the dataset and achieving the classification and recognition of highly similar signals.
Journal Article