Table 3. Differences in combined peak pressure recorded on the non-dominant hand of the nine knappers during flake, EAH, and LAH reduction sequences, dependent on whether hand or leg core support strategies were used.
| Core support strategies | n | Mean (kPa) | Median (kPa) | S.D. (kPa) | Min (kPa) | Max (kPa) | |
|---|---|---|---|---|---|---|---|
| Flake | Hand | 315 | 220.7 | 217.5 | 114.8 | 25 | 577.5 |
| Leg | 191 | 203.8 | 190 | 112.6 | 25 | 722.5 | |
| EAH | Hand | 367 | 187 | 180 | 85.3 | 25 | 465 |
| Leg | 410 | 218.3 | 205 | 117.2 | 20 | 617.5 | |
| LAH | Hand | 503 | 291 | 260 | 152.3 | 20 | 802.5 |
| Leg | 1,000 | 247.2 | 200 | 155.5 | 17.5 | 930 | |