You often see NFL players on the sidelines breathing oxygen, and you may wonder whether breathing that high concentration of oxygen through a special mask is actually helping them to recover faster, or perhaps it is just a placebo. Dr. Johnathan Edwards who is a physiologist, anesthesiologist, and sports medicine physician says that supplemental oxygen can help athletes with: wound healing, tissue repair, inflammation, and mental acuity. However, there are some very important things to consider when administering oxygen, since it is possible to give too much oxygen (referred to as "hyperoxia") as well as too little oxygen (referred to as "hypoxia"). Oxygen is contained in the blood in two forms: dissolved in plasma (which is about 2% oxygen) and bound to hemoglobin in red blood cells (which is about 98% oxygen). Breathing supplemental oxygen saturates the hemoglobin and increases the concentration of dissolved oxygen in...
Mixed Martial Arts (MMA) is a full-contact combat sport that allows striking and grappling, both standing and on the ground, using techniques from other combat sports. More precisely, MMA is the amalgamation of Muay Thai Kickboxing, Brazilian Jiu-Jitsu, and Greco-Roman Wrestling. The combination of these martial arts is the most holistic and effective form of self-defense. In 1993, the Gracie family brought Vale Tudo (no-holds-barred fighting) developed in Brazil from the 1920s, to the United States by founding the Ultimate Fighting Championship ( UFC) MMA company. Brazilian Jiu-Jitsu came to international prominence in the martial arts community in the early 1990s, when Brazilian Jiu-Jitsu fighter Royce Gracie won the first, second, and fourth single-elimination tournaments in the UFC. Royce fought against much larger opponents who were practicing boxing, wrestling, karate, and taekwondo. It has since become a s...
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