Muscles

Postural and Phasic Muscles: Differences in Function

Dianne Woodruff 0
Postural and phasic muscle theory and its application takes a global view of body and joint movement. It’s about function, how the body is designed to perform and how to improve that function by working within the body’s design. If we understand ...
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Muscles

What is Muscle Action? Concentric, Eccentric, and Isometric Muscles

Mel Siff 0
The process of muscle contraction is central to all fitness, strength and sports training, yet there are many aspects of this apparently well-known phenomenon that are not adequately understood even at a more popular level.
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Muscles

Seated vs. Prone Leg Curl: Which Muscles Are Activated?

Brandon Mentore 0
To truly get the most out of your workouts, you must know which muscles are worked and activated when you use certain machines. For the Seated Leg Curl and Prone Leg Curl, there are differences in hamstring muscle recruitment. 
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Sports Performance Muscles

Fast-Twitch Vs. Slow-Twitch Muscle Fiber Types + Training Tips

Stacey Penney
Stacey Penney
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Looking to build endurance? What about power? Do dreams of being an all-star hitter or marathon runner need to be dashed if twitch ratios aren’t ideal? Not necessarily. The types of muscle fibers targeted in different types of training programs can ...
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