Factors that Influence Injuries Occurrence in Jiu-Jitsu Competitors
Tulio Fernandes de Almeida and Angelica Rodrigues de Araujo
Article Type: Research Article | First Published: April 29, 2020
The Brazilian Jiu-Jitsu (BJJ) is known for its efficiency and competitiveness, the modality has shown an increase in the practitioner’s number and international level competitions, leading to worldwide popularization. Even with worldwide success and recognition, the number of studies on the modality did not follow this growth, which makes it difficult to categorize the sport and identify the factors related to injuries, which is essential to promote and plan interventions aiming at injury prev...
Bilateral Simultaneous Distal Biceps Rupture: A Case Report and Review of the Literature
John Reza Matthews, MD and William Wind, MD
Article Type: Review Article | First Published: April 24, 2020
On physical examination, visual inspection demonstrated residual swelling within the antecubital fossae and ecchymosis extending to the proximal lateral forearm of both elbows, but more extensive on the left. There was an obvious deformity of both biceps musculature with proximal retraction of the muscle belly on the left. The deformity was accentuated with resisted elbow flexion. Both elbows demonstrated localized tenderness directly over the biceps tendon. On the right, the biceps tendon was p...
Brazilian Jiu-Jitsu Needs Analysis
Article Type: Review Article | First Published: April 23, 2020
The physical nature and needs of the athletes in the sport of Brazilian jiu-jitsu are unique. Depending on the style and competition selection, athletes are exposed to a wide variety of match times, making the endurance, strength, and even flexibility demands variable. Beginner matches start at a length of 5 minutes, where high-level competition can go up to 20 minutes in a single round. Each of these requires very different physical attributes depending on the style of the bout. For the sake of...
Influence of Aerobic Exercise on Sleep and Salivary Melatonin in Men
Kaylee M Pobocik, PT, DPT, Seth A Von Rentzell, Abigail J Leonard, Amber N Daye and Elizabeth S Evans, PhD
Article Type: Research Article | First Published: April 16, 2020
Insomnia is a sleep disorder that affects approximately 50-70 million US adults. Previous studies have examined the impact of exercise as a non-pharmacologic mechanism for improving sleep and reducing insomnia. The body’s melatonin secretion is considered an internal sleep regulator (as opposed to external sleep regulators such as medications) and may be improved by regular exercise. Therefore, the purpose of this study was to evaluate the effect of an 8-week aerobic exercise intervention on n...