![PDF) Comparison between the Standard Average muscle Activation with The Use of Snorkel and Without Snorkel in Breastroke Technique PDF) Comparison between the Standard Average muscle Activation with The Use of Snorkel and Without Snorkel in Breastroke Technique](https://i1.rgstatic.net/publication/271644199_Comparison_between_the_Standard_Average_muscle_Activation_with_The_Use_of_Snorkel_and_Without_Snorkel_in_Breastroke_Technique/links/54ce50c20cf29ca810fbbb13/largepreview.png)
PDF) Comparison between the Standard Average muscle Activation with The Use of Snorkel and Without Snorkel in Breastroke Technique
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