Table 4 Sign criteria considered
From: Kinematic synergies of hand grasps: a comprehensive study on a large publicly available dataset
| PIP(2–5)_F, IP1_F, MCP(1–5)_F | Flexion + / Extension – |
| WRIST_F | Flexion + / Extension – |
| WRIST_A | Radial deviation + / Cubital deviation - |
| MCP(3–4, 4–5)_A | Fingers separated + / Fingers together - |
| CMC5_F | Flexion +/Extension - |
| CMC1_F | Flexion +/Extension – (See Fig. 4) |
| CMC1_A | Abduction +/Adduction - (See Fig. 4) |