Muscle mass indicates the percentage of muscle in the body. The body needs approximately 50 more calories per day per pound of additional muscle mass. Any user, who notices a change in muscle mass, should monitor and adjust his/her calories requirements accordingly. Since muscle is more dense than fat, monitoring muscle enables a more accurate understanding of whole body composition and changes in overall weight.
Bone mass indicates bone mineral density in your body. It has been proven that building up muscle tissue through sport promotes stronger healthier bones. Consequently, users should aim to build and maintain healthy bones through adequate exercise and a diet rich in calcium.
The bone mass values are only estimated values and do not permit any conclusion to be drawn regarding bone density.
| Body weight | under 50 kg | 50 kg to 75 kg | over 75 kg |
| Estimated bone mass | 1.95 kg | 2.40 kg | 2.95 kg |
Table: Estimated bone mass (women)
| Body weight | under 65 kg | 65 kg to 95 kg | over 95 kg |
| Estimated bone mass | 2.66 kg | 3.29 kg | 3.69 kg |
Table: Estimated bone mass (men)