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. 2017 Jun;12(3):371–380.

Figure 1.

Figure 1.

The six included exercises: a = ”isometric adduction against a football placed between the ankles”; b = ”isometric adduction against a football placed between the knees”; c = “folding knife”; d = “crosscountry skiing on one leg”; e = “adduction partner” performed by the player to the left; f = “abduction partner” performed by the player to the left.