Rider Handedness Affects Rein Tension

Average rein tensions in riders’ dominant hands were 34-45% greater than in their nondominant hands, a study found.

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Riding instructors and trainers have long preached symmetry and balance when riding horses. But as symmetrical as you might feel in the saddle, have you ever considered that your dominant hand might be pulling a bit harder on your horse’s mouth than your less-dominant hand?

Because of the lack of research into human handedness’ effects on rein tension, Jenni Douglas, MSc, visiting associate principal lecturer in higher education equine, at Hartpury College, in Gloucester, United Kingdom, recently studied whether and how handedness factors in. She shared her findings at the 11th International Society of Equitation Science Conference, held Aug. 6-9 in Vancouver, British Columbia.

The study involved 23 female, right-hand-dominant riders ages 14 through 34. Each one completed a five-minute test on a mechanical horse: one minute at the walk, sitting trot, rising trot, seated canter, and two-point canter.

“The mechanical horse was chosen for this preliminary study as opposed to a live horse as it would eliminate all horse-related variables and be a true indicator of tension that the rider was emitting through the reins related to handedness and not as a result of horse-sidedness, aid application, etc.,” said Douglas

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Written by:

Alexandra Beckstett, a native of Houston, Texas, is a lifelong horse owner who has shown successfully on the national hunter/jumper circuit and dabbled in hunter breeding. After graduating from Duke University, she joined Blood-Horse Publications as assistant editor of its book division, Eclipse Press, before joining The Horse. She was the managing editor of The Horse for nearly 14 years and is now editorial director of EquiManagement and My New Horse, sister publications of The Horse.

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