„If I ask somebody, who is well practiced in going stairs up and down, to pay attention to the bending angle of his knee joints, I must not be surprised, when he is landing on his nose.“
(Frercks Hartwig, INNER COACHING in Sports)
„If I ask somebody, who is well practiced in going stairs up and down, to pay attention to the bending angle of his knee joints, I must not be surprised, when he is landing on his nose.“
(Frercks Hartwig, INNER COACHING in Sports)