Fast arm-swing tether

Abstract

Fast Arm-Swing Tether supports lower arms and allows a runner or walker to maintain maximum stride frequency. Tethered thumbs/hands raise natural frequency of pendulum motion of arm swing to ensure that stride rate is not limited by slow arm movement. The tethers keep hands and arms up and reduce lower-arm moment of inertia, thus allowing the lower arms to swing essentially as point masses, resulting in a higher natural frequency of pendulum motion of arm swing to ensure stride frequency is not limited by slow arms. Supporting the hands also reduces effort required to swing arms or to keep elbows locked. This invention relieves arm fatigue for long distance running or walking in addition to allowing greater arm movement. Fast Arm-Swing Tether could be made in any fashion as long as a frontal extension can provide adequate support to hang pendulum tethers to keep hands elevated.

1 . A fast arm swing device for walking or running comprising
 an apparatus worn by an athlete having rigid extension support and two pendulums;   with said pendulums each having a loop to support thumbs or hands;   with said rigid extension support located in front of and away from chest;   with the rigid extension support effective to hang the pendulums and lower arms;   with the pendulums keeping about parallel to upper arms; and   with each group of pendulum, upper arm, and lower arm swinging together to form about parallelogram shape.