| AoO | Age of Onset |
| AaD | Age at Death |
| BF | Biceps muscle |
| CK | Creatine Kinase |
| DoB | Date of Birth |
| ECVN | European College of Veterinary Neurology |
| EMG | Electromyography |
| IM | Inflammatory Myopathy |
| PM | Polymyositis |
| TRI | Triceps muscle |
| TS | Time Sick |
| UVDL | University Veterinary Diagnostic Laboratory |
| VHNK | Vereniging Het Nederlandse Kooikerhondje |