M-P Diameter
Measure the palm of the hand at the widest point.
Calf Circumference
Measure the calf at the widest point.
Forearm and Wrist
Forearm:
Measure the circumference of the forearm 11/2″ to 2″ below the elbow.
Wrist:
Measure the circumference of the wrist at the head of the radius and ulna.
Bicep Circumference
Measure the bicep circumference at the mid-shaft.