Importance Approximately one-third of children experiencing acute concussion experience
ongoing somatic, cognitive, and psychological or behavioral symptoms, referred to as …

… The applied (a) linear and (b) angular acceleration loading histories are shown for an 7.5
m/sec impact to the head (data provided by Dr. Blaine Hoshizaki). (c) The head coordinate …

This study investigated the phenomenon of kinematic asymmetry of the lower limbs in distance
runners. The subjects, 29 male distance runners, were recorded by high-speed filming …

Ice hockey is a contact sport which has a high incidence of brain injury. The current
methods of evaluating protective devices use peak resultant linear acceleration as their pass/fail …

… Loading curve shape A had a late time to peak, B an early time to peak and C had a … principal
strain and Von Mises stress, with loading curve B being lowest in only 2 cases. The areas …

… Site 5 showed a significant difference between helmets A and C as well as B and C for linear
acceleration, with helmet B yielding the lowest acceleration (66.4 g) (p < 0.05). Rotational …

Importance Determining how the timing of return to school is related to later symptom burden
is important for early postinjury management recommendations. Objective To examine the …

This study investigated the phenomenon of lower extremity functional asymmetries in a
group of competitive male distance runners ( N = 29). Bilateral measurements were taken to …

… A comparison of acceleration-time curves and peak values of acceleration for head impacts
as a result of a fall, shoulder, punch, and a puck from Kendall et al 61 and Hoshizaki 70 are …

Brain injury is complex in nature and extraordinarily challenging when attempting to describe
the relationship between the event and the resulting injury. In an effort to reduce its severity …