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Fig. 3 | Chiropractic & Manual Therapies

Fig. 3

From: Wearing American Football helmets increases cervicocephalic kinaesthetic awareness in “elite” American Football players but not controls

Fig. 3

Mean ± SD values for cervical kinaesthetic repositioning (CKR) to a self-selected neutral point from flexion (a) or extension (b). The histograms shows the amount of variation (degrees) on return to a self-selected neutral head position for American football players and control participants while either wearing a football helmet (blocked bars), or not (unblocked bars). * denotes significant difference (P < 0.05) between American footballer players with helmets on and all other groups: flexion (a) only. Effect sizes (ES) relate to helmet vs no helmet for the American Football group

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