Choose your favourite cardio exercises like spinning, outdoor biking, running, hill sprints, or swimming, whatever it is, hit it hard. Literally! Experts advise to perform HIIT, high-intensity interval training, to burn fat in a time-efficient manner. A 3-to-1 rest-to-work ratio is effective. It means you can, for example, go hard as you can on a hill sprint for 30 seconds, walk or jog back down the slope for 90 seconds, and repeat four times for an intense 10-minute training session.
It's OK to be a little sore. Your muscles might feel achy or tired the day after a tough training session thanks to DOMS, or delayed onset muscle soreness. When you strength train you're causing microscopic damage to the tissue that will be repaired, that's how you build stronger lean muscle. Speaking of repair and recovery, though, rest days are important. "If you constantly break down muscle without a recovery period, you won’t give the muscle fibers a chance to repair and build back stronger,” explains Davis.

Shave or wax all your body hair regularly. It's the part that's maybe the most awkward to talk about, but bodybuilders like to keep anything out of the way of those bulging muscles. That means scheduling regular body-waxing, especially before contests. You don't need to do it all the time, but you want to keep up the temple, it's usually common to shave your body a few times a month to keep things under control, then get full a full wax before you perform.
Do a single set of repetitions. Theories on the best way to approach weight training abound, including countless repetitions and hours at the gym. But research shows that a single set of exercise with a weight that fatigues your muscle after about 12 to 15 repetitions can build muscle efficiently in most people and can be as effective as three sets of the same exercise.

Carbohydrates play an important role for bodybuilders. They give the body energy to deal with the rigors of training and recovery. Carbohydrates also promote secretion of insulin, a hormone enabling cells to get the glucose they need. Insulin also carries amino acids into cells and promotes protein synthesis.[26] Insulin has steroid-like effects in terms of muscle gains.[27] It is impossible to promote protein synthesis without the existence of insulin, which means that without ingesting carbohydrates or protein—which also induces the release of insulin—it is impossible to add muscle mass.[28] Bodybuilders seek out low-glycemic polysaccharides and other slowly digesting carbohydrates, which release energy in a more stable fashion than high-glycemic sugars and starches. This is important as high-glycemic carbohydrates cause a sharp insulin response, which places the body in a state where it is likely to store additional food energy as fat. However, bodybuilders frequently do ingest some quickly digesting sugars (often in form of pure dextrose or maltodextrin) just before, during, and/or just after a workout. This may help to replenish glycogen stored within the muscle, and to stimulate muscle protein synthesis.[29]
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