Did you know that by simply clenching your fists, certain regions in your brain can get activated to help you deal with pressure and can even help you get a good grip on your memory? Maybe you could see the results much faster if you were to go and play a tournament or match tomorrow, cos according to researches clenching your fists could help you avoid choking during intense pressure right before a game commences. Also clenching your fist could help you get a good grip on memory. Researchers have found that certain athletes were able to improve their performance under pressure simply by squeezing a ball or clenching their left hand right before a competition to activate certain parts of the brain. Rumination or the process of deep thoughts regarding something could interfere with concentration and performance of motor tasks.
Clenched fist syndrome: a case report
Dystonia | Parkinson's Foundation
This is a result of severe spasticity, which is caused by disconnection and miscommunication between the brain and muscles. By understanding that connection, the path to recovery becomes clear. Normally, the brain and nervous system are in constant communication with your muscles. The brain is responsible for telling your muscles when to move, and when to relax. When a stroke damages the part of the brain that controls hand function, it severs that communication between the hand and nervous system. As a result, the hand muscles tighten up for protection, which leads to a clenched hand.
Guide to Treating Clenched Fists
Diane Slomkowski knows about living with chronic pain. For years, she has suffered from fibromyalgia. Ronald Slomkowski, 67, was first diagnosed with colon cancer three years ago. A year later, doctors reported the cancer had spread to his lungs.
Fisting , handballing , fist-fucking , brachiovaginal , or brachioproctic insertion  is a sexual activity that involves inserting a hand into the vagina or rectum. Fisting may be performed without a partner, but it is most often a partnered activity. Fisting's emergence as a popular sexual practice is commonly attributed to gay male culture and it may not have existed until the twentieth century. In the s, it was assumed that unprotected fisting—which often produces small injuries to the anus, permitting microorganisms access to the blood—was an easy route for transmission of HIV.