## 3 Results
\begin{table}
\begin{tabular}{c c c c c c c c} \hline  & **Phase A (s)** & **Phase B (s)** & **Phase C (s)** & **Phase D (s)** & **IdC *** & **SR (cycle/min)** & **DPS** & **Speed** (m/s) \\ \hline S10 & 0.32 \({}^{**}\)\(\pm\)\(\pm\) & 0.17 \(\pm\) 0.03 & 0.28 \(\pm\) 0.06 & 0.35 \({}^{**}\)\(\pm\) 0.07 & 0.05 \(\pm\) 0.06 & 53.45 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 2.40 & 1.94 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 0.03 & 1.72 \(\pm\) 0.09 \\ affected side & 0.07 (2\%) & (15\%) & (25\%) & (33\%) & 0.05 \(\pm\) 0.06 & 53.45 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 2.40 & 1.94 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 0.03 & 1.72 \(\pm\) 0.09 \\ S10 & 0.38 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) & 0.18 \(\pm\) 0.03 & 0.26 \(\pm\) 0.04 & 0.29 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) & 0.03 \(\pm\) 0.05 & 53.64 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 1.70 & 2.00 \(\pm\) 0.12 & 1.78 \(\pm\) 0.11 \\ unaffected side & 0.10 (35\%) & (16\%) & (23\%) & 0.07 (26\%) & & & \\ S12 & 0.29 \({}^{**}\)\(\pm\)\({}^{**}\) & 0.14 \(\pm\) 0.03 s & 0.24 \(\pm\) 0.05 & 0.36 \({}^{**}\)\(\pm\) 0.13 & & & \\ left side & 0.09 s (28\%) & (14\%) & (23\%) & (35\%) & 0.04 \(\pm\) 0.04 & 49.20 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 1.07 & 2.09 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 0.10 & 1.71 \(\pm\) 0.08 \\ S12 & 0.34 \(\pm\)\({}^{**}\) & 0.15 \(\pm\) 0.03 & 0.24 \(\pm\) 0.04 & 0.36 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 0.08 & 0.02 \(\pm\) 0.06 & 48.93 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 1.67 & 2.18 \({}^{**}\)\(\pm\)\({}^{**}\)\(\pm\) 0.19 & 1.78 \(\pm\) 0.14 \\ right side & (31\%) & (14\%) & (22\%) & (33\%) & & & \\ \hline \end{tabular}
\end{table} 
Table 2: Basic biomechanical stroke kinematics for S10 and S12 para swimmers on each side. cycle (fully covering the downbeat of the second kick cycle) in both unaffected and affected sides. Still, for the S12 para swimmers, it was less than the first half kick cycle of the second kick cycle at the pull phase (phase B). As for the variation in the IdIC within the group, the S12 para swimmers showed a progressively reduced standard deviation from phase A to D on both sides (from 52.5\({}^{\circ}\) to 20.3\({}^{\circ}\) on the left, and from 89.9\({}^{\circ}\) to 18.8\({}^{\circ}\) on the right side), while the S10 para swimmers on both sides showed an increased standard deviation in the IdIC from entry (phase A) to recovery (phase D) in a stroke cycle (from 11.0\({}^{\circ}\) to 54.3\({}^{\circ}\) on the affected and from 36.5\({}^{\circ}\) to 69.6\({}^{\circ}\) on the unaffected side), in which the highest and second highest variation in IdIC at phases B and C on the affected side for S10 para swimmers were 87.3\({}^{\circ}\) and 102.9\({}^{\circ}\), more than twice compared to the corresponding phase on the affected side (35.4\({}^{\circ}\) for phase B and 49.8\({}^{\circ}\) for phase C) and both sides for S12 para swimmers (on average, 33.0\({}^{\circ}\) for phase B and 25.9\({}^{\circ}\) for phase C). The distribution of the IdIC (in Table 3) at phase B and C for S10 para swimmers on the affected side was also the most uniform among all four kicking coordination patterns (i.e., in-phase upbeat (28.57%), in-phase downbeat (14.29%), out-phase upbeat (28.57%) and out-phase downbeat (28.57%)) regarding the arm phase in all groups. The index of inter-limb coordination data (IdIC) for each participant was summarized and presented as percentage for each stroke phase (from phase A to D) and kick (i.e., upbeat and downbeat) phases for each group on both sides in Table 3. The \"0\" at a specific stroke phase meant no corresponding kicking phase at the beginning of the stroke phase. The result of the chi-square test showed that all S10 participants on the affected and unaffected sides at the beginning of stroke phase A were downbeating either in-phase or out-phase with hand entry (phase A). The difference between the affected and unaffected sides for S10 para swimmers mainly occurred during the B, C and D phases.