Notes on Time Under Tension (TUT): Time under Tension method is well known as very effective in increasing strength, muscle size, or muscle endurance depending on how you use it. When you look at TUT you look at the total amount of work you place on a muscle and the total time muscles resist weight during each set. For example, you could do 5 chin ups with the tempo of 1 sec up, 2 sec hold at the top position, 3 sec lowering down. The time to perform each rep will be 6 seconds, with a total of 5 reps. Therefore the total TUT for this set is 30 seconds.
As a result of an increased number of competitors, organized training camps, information sharing, and modern kinesiology, the understanding of the effectiveness of various strategies has been greatly improved. UFC commentator Joe Rogan claimed that martial arts evolved more in the ten years following 1993 than in the preceding 700 years combined.[70]

Trainer Martin Rooney, according to an article on written by Rooney and Bryan Krahn, advises against spending too much time trying to find the ultimate training program. He sees too many fighters attempting to copy a famous fighter's workout in an attempt to emulate them, doing the latest fitness craze or doing endless circuits until they throw up. In his experience, the top fighters and trainers do low volume work, basic strength training and sprint work along with their technical work. In his mind, the keys to a good program are technical work combined with basic strength training and sprinting while also ensuring you get enough rest.

The ALACTIC system (aka the phosphagen or phosphocreatine system) is the energy system capable of producing the most energy within the shortest amount of time. A fight-ending flurry or combination uses this energy system. The alactic system is different to the aerobic and anaerobic system in that it produces energy by directly breaking down the ATP molecule, bypassing the conversion of fats, carbohydrates or protein into ATP. However, our body has limited stores of ATP, therefore the alactic system is the quickest to fatigue and can only produce large bursts of energy for up to 10 seconds. Fully restoring phosphocreatine and ATP stores takes around 5-8 minutes; this restoration time can be influenced by strength & conditioning training, as well as the level of development of the aerobic and anaerobic system.

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