Table 5.
Study characteristics of the 34 included studies concerning the match-play outcome measures of the doubles category in both sexes and mixed.
| Authors | Outcome (technical-tactical actions) | Outcome (activity profiles) | Outcome (external loads) | Outcome (internal loads) |
|---|---|---|---|---|
| Men's doubles category | ||||
| Abián-Vicén et al. (4) | N/A | Average match duration was Beijing: 2,657.0 ± 755.7, London: 2,903.8 ± 859.7, Rio: 3,900.4 ± 899.2 s; average real-time played was Beijing: 478.3 ± 153.8, London: 569.9 ± 135.2, Rio: 616.3 ± 146.9 s; average rest time between games was Beijing: 135.4 ± 8.3, London: 132.9 ± 8.8, Rio: 147.4 ± 17.6 s, and average work density was Beijing: 0.25 ± 0.06, London: 0.28 ± 0.06, Rio: 0.21 ± 0.03 work/rest; the number of shots-per rally was higher in London than in Beijing (p = 0.039, ES = 1.6) higher values were recorded in the shortest intervals (0–3 and 3–6 s) | N/A | N/A |
| Gawin et al. (43) | N/A | The total match duration was 0:45:55 ± 0:16:27 h, performance time was 20.4 (17.2–24.5%), rally time was 6.7 ± 1.5 s, rest time was 23.3 ± 3.7 s, shots per rally was 4/2 (1–34), and shots per second was 0.76 ± 0.03 n/s; no statistically significant differences was found in average resting times among the playing categories (p = 0.10); the difference in shots per second between men's doubles and mixed doubles was not significant (0.76 ± 0.03 vs. 0.72 ± 0.03, respectively) | N/A | N/A |
| Torres-Luque et al. (51) | N/A | All match-related variable values were higher in the eliminatory phase than in the group phase (p < 0.05); the average match duration in the group stage and eliminatory phase was 48:68 ± 17:87 and 68:94 ± 11:76 min, average of the longest rally in the group stage and eliminatory phase was 42:30 ± 19:96 and 33:94 ± 10:20 s, and the average rally in the group stage and eliminatory phase was 6:70 ± 2:16 and 7:23 ± 1:67 s; men's doubles had longer matches as well as sets (set 1st: 23:00 ± 5:63 and set 2nd: 29:94 ± 11:36), and average rallies (set 1st: 7:70 ± 1:31 and set 3rd: 6:66 ± 0:98) | N/A | N/A |
| Apriantono et al. (53) | A total of 350 rallies in three matches; the drive shot was most common (466 shots), followed by the drop (337 shots) and lob shots (298 shots) | N/A | N/A | Blood lactate: pre-match (after warming-up): 3.05 ± 1.13 mmol/L, post-match: 4.6 ± 1.11 mmol/L |
| Le Mansec et al. (62) | For all types of doubles, the player who played the most shuttlecocks in the rear part of the court performed more smash shots than his/her partner (p < 0.05); in men's doubles, player who played the most shuttlecocks in the rear part of the court performed a lesser proportion of nets than his partner (p < 0.01) | There was no significant main effect among five playing categories on the duration of the match (average: 42.0 ± 11.6 min); for effective playing time, men's doubles were greater (p < 0.001) than women's doubles | N/A | N/A |
| Women's doubles category | ||||
| Abián-Vicén et al. (4) | N/A | The average match durations was Beijing: 2,840.6 ± 652.7, London: 559.5 ± 884.3, Rio: 4,037.4 ± 1,053.9 s; average of the real time played was Beijing: 767.7 ± 242.2, London: 608.5 ± 213.2, Rio: 913.5 ± 240.5 s; average of rest time between games was Beijing: 148.3 ± 19.2, London: 135.1 ± 10.5, Rio: 147.6 ± 10.7 s; and average work density was Beijing: 0.41 ± 0.07, London: 0.36 ± 0.06, Rio: 0.34 ± 0.07 work/rest; the percentage of time played was higher in the women's doubles than that in the men's doubles in the three Olympics Games (Beijing: 95% CI: 5.5–11.8%, p < 0.001, ES = 2.6, London: 95% CI: 0.7%–7.0%, p = 0.016, ES = 1.4, Rio: 95% CI: 4.0–10.2%, p < 0.001, ES = 2.4). in all the Olympics Games analysed, work density was higher (p < 0.001) and shot frequency was lower (p < 0.001) in women's doubles | N/A | N/A |
| Gawin et al. (43) | N/A | The total match duration was 0:40:04 ± 0:10:40 h, performance time was 30.1 (23.4–37.2%), rally time was 10.1 ± 3.2 s, rest time was 20.0 ± 5.3 s, shots per rally were 4/2 (1–41), and shots per second were 0.62 ± 0.05, there were no statistically significant differences in average resting time among all playing categories (p = 0.10); shots per rally in women's doubles were higher than those in the men's doubles (p = 0.01), women's singles (p < 0.01), and mixed doubles (p < 0.01) | N/A | N/A |
| Torres-Luque et al. (51) | N/A | All match-related variable values were significantly higher in the eliminatory phase than in the group phase (p < 0.05); the average match duration in the group phase and eliminatory phase was 47:75 ± 13:00 and 68:62 ± 17:13 min; the average of the longest rally in the group phase and eliminatory phase was 54:33 ± 18:58 and 51:87 ± 13:77 s, and the average rally in the group phase and eliminatory phase was 10:33 ± 2:23 and 10:37 ± 1:99 s, respectively | N/A | N/A |
| Le Mansec et al. (62) | For all types of doubles, the player who played the most shuttlecocks in the rear part of the court performed more smash shots than his/her partner (p < 0.05); there was no difference between the player who played the most shuttlecocks in the rear part of the court and her partner of proportional net shots in women's doubles | There was no significant main effect among five playing categories on the duration of the match (average: 42.0 ± 11.6 min); for rally duration, women's doubles were greater (p < 0.001) than men's doubles and mixed doubles; for rest time, women's doubles were greater (p < 0.001) than mixed doubles; for effective playing time, women's doubles were greater (p < 0.001) than men's doubles and mixed doubles; for shots per second, women's doubles were greater (p < 0.001) than men's doubles and mixed doubles | N/A | N/A |
| Mixed doubles category | ||||
| Gawin et al. (43) | N/A | The total match duration was 0:40:33 ± 0:09:14 h, performance time was 19.4 (17.1–21.5%), rally time was 5.6 ± 0.5 s, rest time was 20.6 ± 3.2 s, shots per rally were 3/2 (1–23), and shots per second were 0.72 ± 0.03; the average resting time was not statistically significant in any playing category (p = 0.10); the difference in identical shots per second between mixed doubles and men's doubles was not significant (0.72 ± 0.03 vs. 0.76 ± 0.03 n/s) | N/A | N/A |
| Torres-Luque et al. (51) | N/A | All match-related variable values were significantly higher in the eliminatory phase than in the group phase (p < 0.05); the average match duration in the group stage and eliminatory phase were 47:45 ± 16:36 and 44:25 ± 6:19 min, the average of the longest rally in the group stage and eliminatory phase were 32:66 ± 10:97 and 37:00 ± 6:96 s, and average rally in the group stage and eliminatory phase were 7:58 ± 1:79 and 7:87 ± 1:20 s, respectively | N/A | N/A |
| Le Mansec et al. (62) | For all types of doubles, the player who played the most shuttlecocks in the rear part of the court performed more smash shots than his/her partner (p < 0.05); in mixed doubles, player who played the most shuttlecocks in the rear part of the court performed a lesser proportion of nets than his/her partner (p < 0.01) | There was no significant main effect among five playing categories on the duration of the match (average: 42.0 ± 11.6 min); for effective playing time, mixed doubles were greater (p < 0.001) than women's doubles; for shots per second, mixed doubles were greater (p < 0.001) than men's doubles | N/A | N/A |
ES, effect sizes; h, hours; N/A, not available; min, minutes; mmol/L, millimole per liter; n/s, number per seconds; s, seconds; 95% CI, 95% confidence interval.