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. 2024 Apr 28;12(5):121. doi: 10.3390/sports12050121

Table 2.

Blood lactate concentration in response to paced 200 m front-crawl swimming bout in highly trained junior swimmers (n = 12) using short and long underwater diving.

Short (<5 m) Underwater Section Long (12.5 m) Underwater Section
Lactate at baseline, mmol/L 2.0 (0.5) 2.4 (0.6)
Lactate 1 min post, mmol/L 3.3 (1.4) # 7.9 (2.1) * #
Lactate 5 min post, mmol/L 3.0 (1.2) # 6.6 (1.8) * # ^
Lactate accumulation, mmol/L 1.3 (1.0) 5.6 (2.3) *
200 m swimming time, s 154.5 (12.7) 156.0 (12.9)
1st 50m split, s 37.2 (3.1) 37.6 (3.3)
2nd 50m split, s 38.5 (3.4) 39.1 (3.5)
3rd 50m split, s 39.5 (3.2) 39.9 (3.3)
4th 50m split, s 39.3 (3.5) 39.4 (3.7)

* Difference between the conditions at p < 0.0001. # Difference from baseline at p < 0.0001. ^ Difference from lactate at 1 min post, p = 0.002.