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Are you Helgi Gudfinnsson, author of the books below?
Little Lessons on HIIT by Helgi Gudfinnsson Little Lessons on HIIT by Helgi Gudfinnsson Little Lessons on Basketball Conditioning by Helgi Gudfinnsson Little Lessons on Basketball Conditioning by Helgi Gudfinnsson Metabolic Instructor Course Level 3-4 by Helgi Gudfinnsson Nettomotid by Helgi Gudfinnsson P.L.A.I Training Manual Level 2 by Helgi Gudfinnsson High-Intensity Interval Training by Helgi Gudfinnsson P.L.A.I Training Manual Level 1 by Helgi Gudfinnsson P.L.A.I Exercise Selection Level 3 by Helgi Gudfinnsson


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