TABLE II.
Associated muscle groups for airwriting
| Joint | Motion type | Associated muscles |
|---|---|---|
| Wrist | Flex | FCU, PL, FCR, FDS |
| Extend | ECRL/B, EDM, ECU | |
| Ulnar Deviation | FCU, ECU | |
| Radial Deviation | FCR | |
| Index and middle fingers | Flex | FDS, FDP |
| Extend | EDC, EIP |
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