How Dry Needling at the Neck Affects Shoulder Movement, Strength, Pain, and Shoulder Circulation

A sterile, disposable, solid filament needle (Seirin Corp., Shizuoka, Japan) will be inserted manually into the multifidus of the C5-C6 cervical muscles. Once the needle has been inserted, the needle will be pistoned in an up and down motion within the multifidus muscle at approximately 1Hz for 10 seconds and then left in-situ for 5 minutes.