Patellofemoral Pain: What do phenotypic features show?

Ninety percent of patients with patellofemoral pain (PFP), a chronic musculoskeletal disorder characterized by anterior knee pain, are still in pain 4 years after the initial diagnosis. Specialists have optimized management of other chronic musculoskeletal conditions by subgrouping patients based on risk factors. While previous studies aimed to categorize patients based on imaging studies, this…

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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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How much does visual distraction effect torso position in side-stepping

side stepping

An important steering task in team sports is cutting and side-stepping (SS), a maneuver performed to evade oncoming opponents. Sidestepping during game situations is complex, as athletes are generally traveling at higher velocities and often required to sidestep under unpredictably high temporal constraints when responding to opponents’ defensive movements or other situational demands. Frontal plane…

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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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Is Hip Surgery Unnecessary for CAM/FAI?


Hip and groin injuries are extremely common in ice hockey players, with a reported incidence of 19.87 injuries per 100 players at the elite level. Femoroacetabular impingement (FAI) has been increasingly recognized as a cause of hip pain in athletes at all levels of competition. Numerous studies have found an increased prevalence of FAI in…

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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?

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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Does Ultrasound really image deliver optimal tendon imaging?


I have to declare that in my clinical practice, I do not use ultrasound to image the patellar or achilles tendon – I use MRI imaging in combination with expert musculoskeletal radiologists – so perhaps I have a bias in feeling that US is often used to demonstrate a clinical suspicion and is very very…

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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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