Apparatus for use in toning muscles, other than for medical rehabilitation in the nature of leg weights and weight discs, other than for medical rehabilitation; Appliances for gymnastics in the nature of leg weights and weight discs; Appliances for physical exercise, other than for medical use, in the nature of leg weights and weight discs; Articles in the nature of fitness equipment for exercising the body, other than for medical purposes, in the nature of leg weights and weight discs; Barbe...