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Alpha-actinin-3, also known as alpha-actinin skeletal muscle isoform 3 or F-actin cross-linking protein, is a protein that in humans is encoded by the ACTN3 gene (named sprinter gene, speed gene or athlete gene) located on chromosome 11. All people have two copies (alleles) of this gene. [5] [6]
where is the sprint velocity (m/s), the step frequency (1/s), the average force applied to the ground (N), the body weight (N), and the contact length (m). In short, sprint velocity is reliant on three main factors: step frequency (how many steps you can take per second), average vertical force applied to the ground, and contact length ...
The roots of periodization come from Hans Selye's model, known as the General adaptation syndrome (GAS). The GAS describes three basic stages of response to stress: (a) the Alarm stage, involving the initial shock of the stimulus on the system, (b) the Resistance stage, involving the adaptation to the stimulus by the system, and (c) the Exhaustion stage, in that repairs are inadequate, and a ...
Strength training is primarily an anaerobic activity, although circuit training also is a form of aerobic exercise. Strength training can increase muscle, tendon, and ligament strength as well as bone density, metabolism, and the lactate threshold; improve joint and cardiac function; and reduce the risk of injury in athletes and the elderly ...
Many people assume that high-intensity workouts are the only way to burn fat and lose weight. But that’s just not the case when it comes to walking for women older than 50, according to a recent ...
The specified minimum strength requirement varies depending on where the information is sourced and the intensity of the plyometrics being performed. Chu (1998) recommends that a participant be able to perform 50 repetitions of the squat exercise at 60% of his or her body weight before doing plyometrics. Core (abdomen) strength is also important.
Markets started what could be a momentous month warily, with shares steady and Treasury yields near four-month highs ahead of U.S. jobs data, with volatility in British government bonds after this ...
An Arkansas couple has given up their wedding fund to help an injured dog in need. Dylan McCay and his fiancé Emily Roberts revealed they used the money to pay for reconstructive surgery on a ...