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Category: Research

Connected Strength Training

How Muscles Work (Part 2 of 2)

This is the second of a two part series explaining how muscles work. In this first article we describe the gross structure of skeletal muscle; in the second article I describe skeletal muscle ultrastructure and how muscles develop tension. Skeletal Muscle Ultrastructure Highly technical and sophisticated techniques that include electron microscopy, x-ray diffraction, histochemical staining,…
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How Muscles Work (Part 1 of 2)

This is the first of a two part series explaining how muscles work. In this first article I describe the gross structure of skeletal muscle; in the second article I describe skeletal muscle ultrastructure and how muscles develop tension. Gross Structure of Skeletal Muscle Humans possess three types of muscle—cardiac, smooth, and skeletal—each exhibiting distinct…
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Research Review: Simplifying Strength Assessments for Adults with Developmental Disabilities

Merchan-Baeza JA, et al. (2019) Development of a new index of strength in adults with intellectual and developmental disabilities. Disability and Rehabilitation, DOI: 10.1080/09638288.2018.1543464. Introduction Increases in life expectancy of people with intellectual and developmental disability (IDD), together with improvements in the availability and accessibility of care services, has led to an increase in the…
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Research Review: Comparing Free Weights and Machine Training for Older Adults

Schott N, et al. Effects of free weights and machine training on muscular strength in high-functioning older adults. Exp. Gerontology. Vol. 122;15-24. 2019. Introduction The decrease of muscle mass (sarcopenia), strength and muscular power (dynapenia) are physiological processes of aging, in particular with the onset of the sixth decade. There is ample evidence that resistance…
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Comparison: Force Profile from Weights vs Resistance Bands

The most common way to train for strength is to use weights, and whether you use free weights or selectorized weight stack machines the experience felt by the body is similar. Moving a fixed mass against the force of gravity is a familiar routine to our muscles. After all, this phenomenon happens every time we…
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Research Review: Greater Training Frequency = Greater Training Volume = Greater Strength Gains

Grgic J, Schoenfeld BJ, Davies TB, et al. Effect of Resistance Training Frequency on Gains in Muscular Strength: A Systematic Review and Meta-Analysis. Sports Med. Vol. 48, pp. 1207-1220, 2018. Introduction Muscular strength defines as the capacity to exert force under a particular set of biomechanical conditions. Engaging in resistance training (RT) can significantly increase…
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Measuring Force with ShapeLog’s ShapeSense Select

I have had long conversations about ShapeLog’s ShapeSense Select (Select) only to later realize that an important feature (THE most important feature, really) is not understood. The sensor doesn’t just measure motion. It also measures force! When the Select is slipped onto a cable or belt an arm on the UST redirects the cable such…
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Research Review: Aerobic Exercise isn’t the Only Path for a Healthy Heart, New Study Shows

LIU, Y., D.-C. LEE, Y. LI, W. ZHU, R. ZHANG, X. SUI, C. J. LAVIE, and S. N. BLAIR. Associations of Resistance Exercise with Cardiovascular Disease Morbidity and Mortality. Med. Sci. Sports Exerc., Vol. 51, No. 3, pp. 499–508, 2019. Introduction The health benefits of physical activity (PA), primarily endurance aerobic exercises, to reduce cardiovascular…
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