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Swimming Science:Depth & Resistance水中深度對水阻的影響
出發與轉身後水中潛行or海豚踢最有效率的深度參考 Key Points: :star: 全部水阻減少% (~19.7% at 0.5m &~23.8% at 1m)   :star: 波阻減少%  (~80% at 0.5m & ~95% at 1m). :star: 最少需潛 0.5m 避開八成波阻,.75m以上水阻減少程度幾乎無差別…