There are multiple definitions:

1. repetitive movement injury(English)

   • RSI
   • Injury

2. Rivermead Mobility Index(English)

   • a hierarchical mobility scale used in neurological rehabilitation. It includes 15 items related to bed mobility, transfers, walking, stair use, and running
   • Rehabilitation, Scoring systems/scales, Neuropathy, Questionnaire
   • https://doi.org…87-79948-3_1830

3. reticulocyte maturity index(English)

   • CBC, MFR
   • Erythrocyte
   • https://pubmed.…h.gov/12956442/

4. recurrent myocardial infarction(English)

   • ITNS, LCN, MI, CVD, ICNS
   • Cardiology, Model(ing), Regulation / control, Neurons, Nervous activity - (para)sympathetic, Reflex
   • https://doi.org…al.pone.0180194
   • https://doi.org…941.2013.821203