| Extensor | Nominativ, Singular | nominative case, singular | |
| Extensors | Genitiv, Singular | genitive case, singular | |
| Extensor | Dativ, Singular | dative case, singular | |
| Extensor | Akkusativ, Singular | accusative case, singular | |
| Extensoren | Nominativ, Plural | nominative case, plural | |
| Extensoren | Genitiv, Plural | genitive case, plural | |
| Extensoren | Dativ, Plural | dative case, plural | |
| Extensoren | Akkusativ, Plural | accusative case, plural |