| Type | fighting |
| Category | Physical |
| Power | 100 |
| Accuracy | 90 |
| PP | 10 |
| Introduced | Generation 4 |
Hammer Arm deals damage but lowers the user's Speed by one stage after attacking.
Stats can be lowered to a minimum of -6 stages each.
When a Pokémon is holding Fightinium Z and uses its Z-Power, Hammer Arm turns into All-Out Pummeling and has base power 180.
| Diamond Pearl Platinum HeartGold SoulSilver | The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however. |
| Black White Black 2 White 2 | The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however. |
| X Y O.Ruby A.Sapphire | The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however. |
| Sun Moon Ultra Sun Ultra Moon | The user swings and hits with its strong, heavy fist. It lowers the user’s Speed, however. |
| Sword Shield B.Diamond S.Pearl | The user swings and hits with its strong, heavy fist. It lowers the user’s Speed, however. |
| English | Hammer Arm |
|---|---|
| Spanish | Machada |
| Italian | Martelpugno |
| Japanese | アームハンマー (Arm Hammer) |
| German | Hammerarm |
| French | Marto-Poing |