Performance

How do running mechanics change with fatigue?

Injury risk during running is associated with high-weekly training distance as well as lack of running experience, putting both competitive long-distance runners and novice runners at risk of developing overuse injuries. The development of overuse injuries has been associated with kinematic variables of all lower limb joints. Some of these variables, such as increased ankle…

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Measuring the hydrodynamic profiles of swimmer’s

A hydrodynamic profile, which is primarily composed of drag force, effects a swimmer’s performance; therefore, coaches, swimmers and sports analysts are keenly interested in the components of drag. Drag force is effected by intrinsic properties of water and the swimmer, decreasing acceleration. Drag is composed of active and passive drag. Passive drag, the focus of…

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Technical difference’s in Volleyball players show shoulder anatomical adaptation

In elite volleyball players, repetitive spiking unevenly burdens the (DOM) dominant shoulder, which can result in adaptations or injuries. Spiking consists of the cocking, acceleration and deceleration phases. In the cocking phase, the dominant arm abducts and externally rotates in preparation for forceful adduction and internal rotation in the acceleration phase. Finally, the hand decelerates…

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Does Bench Press improve performance in 50m swimming?

To improve strength and power, top-level swimmers commonly execute traditional strength exercises (i.e., bench press and squat) on dry-land. It is assumed that the training adaptations resulting from these nonspecific strategies are able to enhance swimming performance. Therefore, it is interesting to ascertain which dry-land testing and training methods provide results more closely related to…

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Do running mechanics change running economy?

One of the determining factors of running performance is running economy (RE), and modifiable running biomechanics are a determining factor of RE. This review examined the intrinsic and extrinsic modifiable biomechanical factors affecting RE, assessed training-induced changes in RE and running biomechanics, evaluated whether an economical running technique can be recommended, and discussed potential areas…

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How focussed does you warm-up need to be?

In my review this week is my summary of a paper looking at soccer warm ups. ( Sign up to get it each week) In most sports, a warm-up is performed with an aim to prepare the body for high level performance and to prevent injuries when performing at that high level. In soccer, players…

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Does fatigue effect landing mechanics in football?

Football is a sport that needs intermittent, non-continuous exercises which includes many sprints of different intensities especially during a match. Unfortunately, high-speed running has also been associated with injury and classified as an intrinsic risk factor. Higher speed of play during competitions may exert more loads or forces on the knee joint, which in turn may…

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So is a reverse lunge or a squat better for rehabilitation?

Factors determining the progression of exercise loads during rehabilitation after injury currently follow one of two general approaches: (1) a progression according to tissue-healing time frames based on histologic studies and (2) an evaluation-based protocol in which the patient passes specific criteria before progression. Both approaches have several advantages and disadvantages. During the first approach,…

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So you are still calling it Gilmore’s, Sportsman’s Hernia or Osteitis Pubis?

Athletic groin pain remains a common field-based team sports time-loss injury. The existing cross-sectional studies in this area of research vary considerably in presenting diagnosis. None of the studies had a complete series of prospectively-gathered standardized clinical examination, MRI and patient-reported outcome measures (PROM). The authors of present study aimed to describe clinical presentation, physical…

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Training for Tennis? What is the best training drill for Intermittent activity?

Based on the perceived exertion response, tennis match play can be classified as intermittent activity with bouts of high intensity physical effort. Thus, training drills should be designed to elicit a high rating of perceived exhaustion (RPE) score. However, in order to quantify the most appropriate training protocols, the demands of various tennis drills must…

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