We investigated the longitudinal associations between physical activity (PA), lumbar multifidus morphology, and impactful low back pain (LBP) in young people. Nine-year-old children were recruited ...

Background The lumbar multifidus (LM) plays a key role in static and dynamic stability; however, studies of LM motor unit behavior have yet to be extensively investigated. This study aimed to assess ...

For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...