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  May 9, 2018 to May 23, 2018
 

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Components of muscle function

Components of muscle function


The control of even the simplest joint movement typically requires the cooperative action of several muscles working together as a single unit. This cooperative action is called muscle synergy. Synergistic muscles work together, but other muscles with opposite functions may work against a particular movement. The overall, or net, effect of all muscles acting at a joint determines the ultimate mechanical effect, or movement.


Several concepts of muscle function are important for understanding how ...

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Determine the involved muscles and their action for any joint movement

Determine the involved muscles and their action for any joint movement


One of the most fundamental and important goals of movement analysis is identifying which specific muscles are active in producing and controlling movement at a particular joint. In chapter 4, we presented specific muscles and their concentric actions. However, we know that muscles can act in three modes: isometric, concentric, and eccentric. The task at hand, therefore, is to determine for a given joint movement (1) the specific muscles involved in controlling the movement and (2) the type of ...

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Ergonomic concepts

Ergonomic concepts


As an interdiscipline, ergonomics spans a variety of disciplines, including human anatomy, biomechanics, physiology, psychology, sociology, medicine, and engineering. Ergonomics is composed of three primary domains: organizational, cognitive, and physical. The organizational domain deals with organizational design, policies, and processes as they relate to workplace communication, work design and systems, networking, and teamwork. The cognitive domain involves mental processes, including ...

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How applied sport mechanics can help you

How applied sport mechanics can help you


You will learn to observe, analyze, and correct errors in performance.

This benefit is the most important one you’ll get from reading Applied Sport Mechanics. This text will help you develop a basic understanding of mechanics, and by using this knowledge you will be able to distinguish between efficient and inefficient movements in an athlete’s technique. The information in this text will help you pick out unproductive movements and follow up with precise instructions that help ...

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Increasing physical activity and performance through exergames

Increasing physical activity and performance through exergames


Behavior change theories and concepts for exergame design are important for enhancing the effectiveness in increasing physical activity behavior and training (Thompson, 2015). Theories can help balance the fun or pure entertainment of a game and the serious aspects of behavior change (Thompson, 2015). The conceptual approaches or theories on which exergames primarily have been based are achievement goals, self-determination theory, flow, and group dynamics. Most of the games that are ...

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Making use of angular momentum

Making use of angular momentum


When tower or springboard divers are in flight, they no longer have a large mass to push against. Any muscular action they perform while in the air causes an equal and opposite reaction to occur elsewhere in their bodies. All divers, gymnasts, and other high-flying athletes experience this phenomenon.


For example, imagine a diver stepping off the tower and dropping toward the water in an upright position. In this position, he is not rotating. As the diver drops, imagine the coach shouting for ...

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The good parenting ideal and active free play

The good parenting ideal and active free play


As children age beyond the early years and begin to gain a limited amount of independence, parents and other caregivers are actually the most frequently reported barriers to children’s engagement in AFP, primarily because of parents’ perceptions of traffic safety and "stranger danger" concerns (Carver et al., 2008; Holt, Cunningham, Sehn, Spence, Newton, & Ball, 2009). The concept of the good parenting ideal provides one way of understanding these parental anxieties and the ...

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Understand the mechanical reasons for each key element

Understand the mechanical reasons for each key element


Understanding the mechanical basis behind each key element is an important step in your sequence. The first 10 chapters laid the foundations of principles of sport mechanics. By analyzing technique we are putting this knowledge into practice - in essence, practicing applied sport mechanics.


All fundamental actions that an athlete takes within technique are founded on mechanical principles. In other words, technique is based on mechanical laws. So after you’ve picked out the key elements ...

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Using sport and physical activity in recovery with military veterans

Using sport and physical activity in recovery with military veterans


Wounded Warriors

I was instantly drawn to the adrenaline high of the intense focus and flow of the Pilates environment. I was equally horrified at the complete total inability I had to connect my body as a whole unit. I had only experienced working on isolating the training of muscles in order to obtain strength, and to suddenly see my body as one force, stabilizing, supporting, coordinating and connecting, was the most overwhelming and empowering realization. I was blown away by the

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