Related Experiment Video
Updated: May 31, 2026

Determining the Contribution of the Energy Systems During Exercise
Published on: March 20, 2012
Relative Energy Deficiency in Sport
Mary E Caldwell1, Carly Watson2, Laura Giambra3
1VCU School of Medicine, Virginia Commonwealth University, Richmond, VA, USA.
None:
Relative energy deficiency in sport, previously known as the female athlete triad, is under-recognized by coaches, physicians, and the medical team. It is a multifactorial clinical syndrome driven by problematic low energy availability (LEA) in the athlete. LEA is the underlying etiology that results in body system dysfunction including physical and psycholgical function as well as an increase in injuries and decline in performance. There are risk assessment tools that can be used to triage and manage the female athlete, and treatment often requires a multidisciplinary approach.
Related Concept Videos
Muscle Recovery and Fatigue
Production Efficiency
Energy Supply for Muscle Contraction
Energy Balance
Anorexia Nervosa
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Energy Diagrams - II
The point in the energy diagram at which the system’s potential energy is the lowest is known as the local minima. The system tends to stay in this position indefinitely unless acted upon by a net force. The slope of the potential energy diagram at the local minima is zero, indicating that zero net force is acting on the system. The slope...