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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Am J Sports Med. 2016 Dec 22;45(4):810–818. doi: 10.1177/0363546516677727

Figure 2.

Figure 2

A representation of the external hip joint moment (N·m/kg) in the sagittal plane of a patient with femoroacetabular impingement during the stance phase of gait as a function of time. The joint moment impulse (N·m·s/kg) was calculated using the integral of a particular joint moment (ie, hip flexion or extension) with respect to time. In the plot above, the joint moment data within the lighter and darker regions were used to calculate hip flexion and extension moment impulses, respectively.