What’s This Research About?

Some people experience back pain after standing for long periods of time (pain developers (PDs)) while others do not (non-pain developers (NPDs)). Is it possible that they use their posterior muscles differently? This study investigated exactly that by assessing whether or not there was altered muscular recruitment during trunk extension from a flexed position after a 2-hour standing bout. The authors hypothesized that the low back PDs would recruit more spinal muscles than gluteal muscles. They also looked for gender differences, and or differences in velocity during trunk extension.

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