The purpose of this article is to examine components that affect speed to determine the degree that speed is governed by skill versus genetic factors.

When it comes to traditional versus minimalist footwear, there are many considerations for injury risk. This article weighs the risks and benefits of both types of footwear from focusing on current literature on the subject.

What makes a well-rounded athlete, and more importantly, how do you train them? Andy Zalaiskalns, MARSOC Human Performance Strength and Conditioning Coach, discusses a systemic approach to developing the well-rounded tactical athlete.

This infographic describes the type of muscle activation three exercises elicited and their relationship to maximal sprinting performance.

Although fatigue is commonly experienced in many highly demanding occupations (e.g., military, first responders, etc.), it is poorly defined. Fatigue can strongly affect occupational performance by negatively influencing the ability to interact with the world by altering the capacity to think, move, feel, see, and speak. The first step in fatigue risk management strategies is to establish a context. The context of this narrative review is to specifically describe and discuss the 6 overarching types of occupational fatigue: cognitive, physical, burnout, emotional, visual, and vocal fatigue, and how each affects varying occupations. Furthermore, fatigue type can be influenced by several intrinsic factors, such as sleep deprivation, circadian alignment, ultradian process, sleep homeostasis, and health factors. Similarly, extrinsic factors influence fatigue, such as workload, shift work, and environmental issues. Understanding the types and contributors to occupational fatigue may help clarify the context of occupational fatigue and serve to guide future occupational fatigue management.

Periodization of training is based on the principle that different loads (e.g., light, moderate, or heavy) or power requirements recruit different types and numbers of motor units. Recruitment order is important from a practical standpoint for several reasons.

Periodization of training is based on the principle that different loads (e.g., light, moderate, or heavy) or power requirements recruit different types and numbers of motor units. Recruitment order is important from a practical standpoint for several reasons.

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