| Abbreviation | Definition |
|---|---|
| RLB | Right lateral bending |
| RLE | Right Lower Extremity |
| RLF | Right lateral flexion |
| RLL | Right Lower Leg |
| RLN | Recurrent Laryngeal Nerve |
| RLNA | Recurrent Laryngeal Nerve Activity |
| RLR | Right Lumbar Region |
| RLS | Restless Leg Syndrome |
| RLU | Raised- Leg Urination |
| RLV | Re-Live |
| RLX | Right lower extremity |
| RM | Redemptive Movement |
| RMI | Rapid Migraine Initiator |
| RMR | Resting Metabolic Rate |
| RMRD | Real Men Real Depression |
| RMS | Respiratory Monitoring System |
| RMT | Recovered Memory Therapy |
| RMV | Respiratory Minute Volume |
| RNFL | Retinal Nerve Fiber Layer |
| RNY | Roux-en-Y Gastric Bypass |