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. Author manuscript; available in PMC: 2016 Sep 18.
Published in final edited form as: J Biomech. 2015 Jun 14;48(12):3469–3477. doi: 10.1016/j.jbiomech.2015.05.034

Figure 1. Field and laboratory data collection.

Figure 1

(A) Custom-fit mouthguards measured head impacts in full six degree of freedom (6DOF) using a tri-axis accelerometer and tri-axis gyroscope. (B) stereo high speed video cameras were 7 m apart, 3.5 m elevated above the field, at a 5–6 m down-field distance from the impact, and formed a 65° triangulation angle. (C) Twin-wire drop test and anthropomorphic dummy head