There are multiple definitions:

1. repetitive motion disorder(English)

   • RSI
   • Occupational disease

2. raw mean difference(English)

   • PARCS, ROM
   • Statistics
   • https://doi.org…259671211071146

3. Rippling muscle disease(English)

   • characterized by signs of increased muscle irritability, such as percussion-induced rapid contraction (PIRC), percussion-induced muscle mounding (PIMM), and/or electrically silent muscle contractions
   • CAV3, CK, DM, HCK, HCM, LGMD1C, MH, PIMM, PIRC
   • Musculoskeletal system, Pathology
   • http://pubmed.n…h.gov/20301559/

4. Roland Morris disability(English)

   • refers to scores
   • FB, ODI, OVCF, PVP, SF-36, SMC, SPC, VAS
   • Disability, Scoring systems/scales
   • https://doi.org…0586-016-4425-4