Don Dengel, PhD, professor in the School of Kinesiology and director of the Laboratory of Integrative Human Physiology (LIHP), is the author of the recent blog post entitled “The Appendicular Skeletal Muscle Index in Athletes”. The post explores how the appendicular skeletal mass index is determined using dual X-ray absorptiometry (DXA) and if this variable is useful in examining the body composition of athletes.