Body composition analyzers for analyzing and assessing at least one of fat, water and muscle in a subject's body based on impedance measurements of the subject's body; instruments for measuring impedance of a subject's body and assessing body fat, water and/or muscle composition; wearable bands for analyzing and assessing at least one of fat, water and muscle of a subject's body; wearable activity trackers, namely, wearable bands for tracking fitness related information; wearable fitness activity trackers; and fitness bands namely, smartwatch bands

Body composition analyzers for medical use that measures impedance of a subject's body and assesses at least one of fat, water and muscle in the subject's body based on the measured impedance; instruments for analyzing and assessing body fat, water and/or muscle composition based on impedance measurements of a subject's body