By Matt Ballman, Ellen Dudzinski, Danny Livingston, Kathleen Wright

Recommended Further Reading:

BIA: Once Flawed, Not Anymore

Bio-electrical Impedance Analysis

Comparison of single- or multifrequency bioelectrical impedance analysis and spectroscopy for assessment of appendicular skeletal muscle in the elderly.

Electrical Impedance Myography: Background, Current State, and Future Directions

Monitoring Muscle

Multifrequency bioelectrical impedance analysis and bioimpedance spectroscopy for monitoring fluid and body cell mass changes after gastric bypass surgery

What Does Bioelectrical Impedance Spectroscopy (BIS) Measure?