| Term | Definition |
| RML | right middle lobe |
| R/O | rule out, ruled out |
| ROM | range of motion |
| RR | respiratory rate |
| RROM | resisted range of motion |
| R/T | related to |
| RUE | right upper extremity |
| RUL | right upper lobe |
| RUQ | right upper quadrant |
| RW | rolling walker |
| Rx | prescription |
| S or S(w/in a circle) | supervision |
| s (with a line over it) | without |
| SAQ | short arc quads |
| SB | sliding board |
| SBA | stand by assistance |
| SBQC | small-base quad cane |
| SBT | sliding board transfer |
| SCM | sternocleidomastoid muscle |
| sec | second (s) |
| sig | significant |
| SLR | straight leg raise |
| SNF | skilled nursing facility |
| S/O | standing order |
| SOB | shortness of breath |
| SOS | step-over-step (stair climbing) |
| s/p | status post |
| SPT | stand pivot transfers |
| staph | Staphylococcus |
| stat | immediately, at once |
| STG | short-term goal (s) |
| STM | short-term memory |
| STNR | symmetrical tonic neck reflex |
| str cane | straight cane |
| strep | Streptococcus |
| STS | sit to stand; step-to-step (stair climbing) |
| supp | supported |
| surg | surgical, surgery |
| sx | symptoms |
| symm | symmetrical, symmetry |
| T | trace (muscle grade) |
| TBA | to be assessed |
| TBE | to be evaluated |
| TDWB | touch down weight-bearing |
| temp | temperature |
| TENS | transcutaneous electrical nerve stimulator |
| ther ex | therapeutic exercise |
| t.i.w. | three times a day |
| TMJ | temporomandibular joint |
| T/O | throughout |
| TOL | tolerate (s) |
| TR | transfer |
| trach | tracheostomy |
| trans | transverse, transferred |
| trng | training |
| TTWB | toe touch weight-bearing |
| Tx | treatment |
| UE | upper extremity |
| U/L | unilateral |
| unsupp | unsupported |
| URI | upper respiratory infection |
| US | ultrasound |
| UTI | urinary tract infection |
| VAS | visual analog scale |
| VC | verbal cues, vital capacity, vocal cord |
| V/O | verbal order |
| VS | vital signs |
| Vtach | ventricular tachycardia |
| WB | weight bearing |
| WBAT | weight bearing as tolerated |
| WBQC | wide-base quad cane |
| W/C | wheelchair |
| WFL | within functional limits |
| WNL | within normal limits |
| WS | weight shift |
| wk | week (s) |
| x | times (i.e., 6xd=six times daily); for (i.e., x5 yrs= for 5 days; of (i.e., 3 sets x 10 reps) |
| x (with a line over it) | except |
| y/o or y.o. | years old |