Doctors identify these movements as 'fasciculations', because they occur when individual nerve fibers, which control small muscle groups activate independently to produce brief muscle contractions.

Meta has been experimenting with EMG technology for years. In 2025, the company commercialized it for the first time in its ...

For the first time, an international research team led by Nanyang Technological University, Singapore (NTU Singapore) has ...

Non-invasive cardiac mapping reconstructed 3D cardiac activation and improved arrhythmia localisation. Read more about its ...

Muscle fatigue is a decreased ability to create force with your muscles. Electrolyte imbalance and overuse are some of the most common causes of muscle fatigue. Rest and massage are the best ways to ...

Dr. Valerie Cholet is a Professor of Kinesiology. She earned her doctorate at Penn State University and has taught in higher education for over 20 years. Her areas of specialization include Exercise ...

If you’ve ever felt depleted on a long run, there’s a chance you didn’t have enough electrolytes in your system. That’s because electrolytes are essential for regulating your hydration levels and ...

Objective Stress urinary incontinence (SUI) is common among females during functional fitness training, such as CrossFit. The aim of this study was to assess the effect of pelvic floor muscle training ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...