The mind-muscle connection is science-backed. This training principle emphasizes internal focus — what’s inside the body — and not external focus — the surrounding environment. The mind-muscle connection is all about concentrating on muscle contraction and stretching when working out. Deepen your knowledge of this concept to keep your mind in tune with your muscles. If the mind-muscle connection sounds foreign to you, there may be a disconnect between your exercises and how you do them. You know there’s a link between your body and brain, but did you know it’s more than sheer willpower? By slowing down the descent of a weight and maintaining tension throughout the entire range of motion, you increase the "time under tension" for the muscle fibers. Many lifters focus solely on the "lifting" part of a movement, but the "lowering" or eccentric phase is where significant muscle damage and growth occur. This constant challenge forces the muscle fibers to sustain microscopic tears, signaling the body to repair them larger and stronger than before. If you’re familiar with strength training, you’ve probably heard someone say… Go until it feels tough! Do it while training if you can — during your first two reps — to know whether you’re having a productive workout. Keep your mind on how your muscle contracts as you perform a range of movements instead of being mindful of your appearance. Stopping after every prolonged rep is one way to feel your muscles working. For example, did you know that testosterone is a key player in prostate cancer? Testosterone's role in bad behavior is largely a myth. But the picture of the hormone is often simplified. It is common for men to seek treatment for fatigue or depression, believing it is due to testosterone deficiency. Interest in testosterone has increased dramatically in recent decades. Stay on top of latest health news from Harvard Medical School. As surprising as it may be, women can also be bothered by symptoms of testosterone deficiency. For example, a man with osteoporosis and low testosterone can increase bone strength and reduce his fracture risk with testosterone replacement. Some men who have a testosterone deficiency have symptoms or conditions related to their low testosterone that will improve when they take testosterone replacement. The testes produces less testosterone, there are fewer signals from the pituitary telling the testes to make testosterone. One treatment available for many of these problems is spironolactone, a special type of diuretic (water pill) that blocks the action of male sex hormones. Among women, perhaps the most common cause of a high testosterone level is polycystic ovary syndrome (PCOS). How about turning your music off and actually experience your training sessions? I’m already undressed at that point so why not save the time? At my gym it’s usually the youngsters doin the posing between sets. I mean, I’m already undressed at that point so why not save the time? However, it’s crucial to remember that confidence is a complex trait influenced by many factors, including life experiences and social support. Confidence and self-esteem are two areas where testosterone seems to wield significant influence. It’s tempting to imagine a simple equation where more testosterone equals a more "masculine" personality, but the reality is far more interesting. It’s like the body’s own love potion, influencing everything from arousal to sexual satisfaction. This hormone is a key player in regulating sexual desire and function in both men and women.