Mechanisms of Exercise-Induced Hypoalgesia

"Participants randomly assigned to this instructional set will be told, You will be completing an intervention known to be effective for some people with shoulder pain. We expect this will make you less sensitive to the pressure applied to your shoulder and thigh and you will require more pressure than what was previously necessary to experience pain."

"Participants randomly assigned to this instructional set will be told, You will be completing an intervention which is not effective for some people with shoulder pain. We expect this will make you more sensitive to the pressure applied to your shoulder and thigh and you will require less pressure than what was previously necessary to experience pain."