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Upper extremity kinematics and joint coordination of fly-casting
(Montana State University - Bozeman, College of Education, Health & Human Development, 2006) Allen, Joshua Ryan; Chairperson, Graduate Committee: Michael E. Hahn.
Little research exists that focuses on the motions and coordination common to fly-casting. It was hypothesized that kinematic parameters of casting (peak and total range of motion, timing of peak joint angular velocity, and magnitude of peak joint angular velocity) would increase in order to cast lines of greater length. Also, it was hypothesized that when greater length of line is cast, the time between peak angular velocities would decrease. The purpose of this study was to determine the kinematic and joint coordination changes necessary to cast lines of different length. Eighteen male subjects participated in the study. Experience ranged from intermediate to expert, with a number of the subjects being professional fly-fishing guides. Twenty three reflective markers were tracked by a 6-camera Vicon® digital capture system. Shoulder motion was calculated with respect to the trunk. The elbow was modeled as a uni-axial pin joint and the wrist as a bi-axial pin joint.