Lifiting weights

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Do you work out with weights? Your fat cells would like to say something to you

Can lifting weights help your muscles…Know more…

Friday, 23rd July 2021


We all know that weightlifting can strengthen our muscles. But according to an inspiring new study on the molecular basis of resistance exercise, weight training can also reduce fat by changing the internal workings of cells. This study involving rats and humans found that after weight training, muscles produce and release tiny bubbles of genetic material that can flow into fat cells and initiate processes related to fat burning.

The results have added more and more scientific evidence to prove that resistance exercise has unique benefits for fat loss. They also emphasized the breadth and interconnectedness of the internal effects of exercise.

 Many of us attribute resistance training to muscle training, and this is for good reason. Lifting weights, or fighting our weight while doing push-ups, squats or chair squats, will significantly increase the size and strength of our muscles. But more and more studies have shown that weight training will also reshape our metabolism and waist circumference. In recent experiments, in young women, overweight men, and athletes, weight training increased energy expenditure and fat burning after at least 24 hours. Similarly, in a study I reported earlier this month, people who occasionally lift weights are much less likely to gain weight than people who never lift weights.

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 But it is not yet clear how weight training changes body fat. Part of the effect is because muscles are metabolically active and burn calories, so increasing muscle mass through weight lifting should increase energy expenditure and resting metabolic rate. For example, after six months of lifting weights, your muscles will burn more calories because they are bigger. But this does not fully explain the effect, because it takes time and repetition to increase muscle mass, and some of the metabolic effects of weight training on fat storage seem to occur immediately after exercise.

 So, maybe, after resistance training for fat cells, something will happen at the molecular level. This hypothesis is that a group of scientists from the University of Kentucky, University of Lexington, University of Nebraska-Lincoln and other institutions decided to investigate of. recent. Researchers have been studying muscle health for many years, but they are increasingly interested in other tissues, especially fat. Perhaps they speculate that muscle and fat will chat amicably after exercise.

 In the last ten years, the idea of ??cells and tissues communicating across vast areas of our body has been widely accepted, although the complexity of the interactions remains incredible. Complex experiments have shown that, for example, muscles release a number of hormones and other proteins after exercise. These hormones and other proteins enter the blood, move through various organs, and cause chemical reactions there. This process is called cellular crosstalk.

 Our tissues can also extract tiny bubbles during crosstalk, called vesicles. Once thought to be little garbage bags filled with cellular debris, vesicles are now known to contain healthy, active genetic material and other materials. Released into the blood, they transfer this biological substance from one tissue to another, like little messages in a bottle.

 Interestingly, some experiments have shown that aerobic exercise can cause muscles to release such vesicles, which can transmit various messages. But few studies have investigated whether resistance exercise can also cause vesicle formation and tremor between tissues.

 Therefore, for the new study published in the FASEB Journal of the American Association for Experimental Biology in May, the researchers decided to examine cells from bodybuilding mice. They first performed experiments to disable several leg muscles of healthy adult mice, leaving only one muscle to support all the physical needs of exercise. That muscle quickly enlarges or swells, providing an accelerated version of resistance training.

 Before and after the procedure, the researchers took blood, biopsied tissue, centrifuged fluid, and looked for vesicles and other molecular changes in the tissue under a microscope.

 They realized a lot. Before the impromptu weightlifting, the rodents' leg muscles were filled with a special piece of genetic material called miR1, which regulates muscle growth. In normal, untrained muscles, miR1 is part of a group of small strands of genetic material called microRNAs, which prevent muscle formation.

The News Talkie Bureau

 

Source:

Indianexpress


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