Life Insurance. The life insurance customer service team at Friends Life have four different telephone numbers; you should call the one that corresponds to the prefix before your policy number. Prefix â F or L, call: 0845 600 3122. Prefix â H, J or L, call: 0845 070 7099. Prefix â 3, call: 0845 300 1942.
Lean Body Mass vs. Muscle Mass. Lean Body Mass (also sometimes known as simply âlean mass,â likely the source of the word âlean muscleâ) is the total weight of your body minus all the weight due to your fat mass. It includes the weight of all your organs, your skin, your bones, your body water, and your muscles.
Muscle mass is the main goal of weightlifting and bodybuilding. Muscles not only provide strength and power, but can be a visible manifestation of health and an essential part of a well-toned physique when not obscured by a layer of fat.ean Muscle Mass. Lean muscle is a concept related to lean body mass, which is the content of the body minus fat. Lean body mass is used to calculate basal metabolic rate.