| ATR | Achilles tendon rupture |
| CL | Contralateral tendons |
| ECM | Extracellulary matrix |
| ER | Emergency room |
| FOAS | Foot and Ankle Outcome Score |
| MRI | Magnetic resonance imaging |
| NO | Non-operatively treated patients |
| O | Operatively treated patients |
| PDS | Polydioxanone suture |
| ROM | Range of motion |
| SWE | Shear wave elastography |
| SWV | Shear wave velocity |
| VTIQ | Virtual Touch Imaging and Quantification mode |