the top clavicle adequately cover the arches

Follow these steps, not in a hurry, to ensure that your measurements as accurate as possible. Fully extend your arms over your head. During the test, pay attention to any abnormal movements or expressions of grief, because it can remind you of potential and existing problems of shoulder.
if there is, please consult a physician before advancing. Stand with your arms at your sides. The whole back measurement from where you can feel in the shoulder bone broken end opposite side (side by side). Then, rounded up to 1.5 inches, record size. * this measurement must annually or obviously increase the body weight or body after.
Once you have a shoulder you measure (from step second), select the right shoulder pad size measurement. Will the shoulder shoulder pads, line edge and confirmed on the shoulders of the measuring points in the. After the confirmation of the edge position, adjust the elastic body with shoulder pads, so stay in place. Please check the neckline not too tight (can cause pinch) or loose (exposed collarbone).
Please check in front of the sternal and chest, have adequate coverage. Please check the scapula (shoulder blades) covered by the shoulder pads, and not exposed at the back. if you have any questions or problems, the correct installation, you must choose a different brand, try a similar style provided by the manufacturer.
List the correct installation, the top clavicle adequately cover the arches, neckline enough, the top cover arch parts of shoulder joint, the deltoid extends to the outer edge of the shoulder padding, the front shoulder (deltoid) to extend the arch filler covered, pad underarm straps firmly, can not be transferred, not more than one or two fingers wide, the elastic arm belt fixed between the strap and the body