Glossary beginning with E

e
Eccentric

A muscle exerting force when lengthening

Elastic energy

Energy stored in the connective tissue

Electrolytes

Mineral salts carrying an electrical charge, which are naturally present in the body and are needed for the regulation of muscle contractions and other functions

Synonyms: Electrolyte
Electromyography

A technique that measures muscular activity in terms of (electrical) neural activity

Synonyms: EMG
Endocrine system

The system that orchestrates chemical communication in the body produced by hormones

Energy expenditure of physical activity

Energy burned during exercise and everyday physical activity

Synonyms: EEPA
Enzyme

Proteins synthesised in the body that speed up or facilitate biochemical reactions that would otherwise occur too slowly, or not at all

Essential fatty acids

Certain types of fats that cannot be synthesised in the body, but which are essential for health (ie they have to be obtained from the diet)

Synonyms: Essential fatty acid
Excess post-exercise oxygen consumption

Elevation of RMR in response to training

Synonyms: EPOC