A series of studies directed by Stuart McGill from the University of Waterloo in Canada showed that isometric exercises for the core resulted in greater core stiffness than whole-body, dynamic exercises that activated core muscles.
When training to repetition failure, load has no effect on hypertrophy or strength in experienced lifters— according to a study led by Stuart Phillips and Robert Morton from McMaster University in Hamilton, Canada.
A biomechanical comparison of deadlifts performed with straight and hex bars by Kevin Camara and colleagues from the Department of Kinesiology at California State University, Fullerton, found that peak force, power and velocity were greater with the hex bar.
Martin Gibala, Jenna Gillen and colleagues from McMaster University in Canada showed that 12 weeks of high-intensity interval training (HIIT) increased cardiovascular capacity and metabolic health as well as training 45 minutes, three times per week for 12 weeks.
Weightlifters and power athletes have a variety of training aids that increase grip strength, stabilize the core, prevent slippage, compress muscles and support joints. James Church and colleagues from Arkansas State University described these in an article.
Researchers from Ireland, the United Kingdom and South Africa found considerable activity and activation of the abdominal and back muscles during squats.
Ramsey Nijem and co-workers from California State University, Fullerton studied force and power during the deadlift with and without chains. Chains altered the biomechanics and force output during the lift.
Public health professional groups such as the American College of Sports Medicine and the American Heart Association recommend 150 minutes per week of moderate-intensity exercise for promoting good health.
Jonathan Oliver from Texas Christian University found that lifting velocity and time under tension was greater when doing cluster set squats than traditional sets.
William Sullivan and colleagues evaluated abdominal and hip muscle activation by electromyography (EMG) during traditional bent-knee sit-ups and modified sit-ups.
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