Objective: To determine the effect of chiropractic adjustive therapy to the lumbar spine and
sacroiliac joints on performance indicators such as sprint times and vertical jump height in
asymptomatic, moderate-to-highly-active rugby players. Any dysfunction in the spine can
affect biomechanics; neurological functioning of the lumbar spine and sacroiliac joints, as
well as the surrounding muscles, and can therefore decrease performance. Methods: The
study involved 60 asymptomatic male participants who were moderate-to-highly-active …