Skip to main content

Posts

Showing posts from September, 2015

Catecholamines & Exercise

written by runnergirl training

What are catecholamines and how do they relate to exercise? Catecholamines are adrenal gland hormones and are dopamine, epinephrine and norepinephrine. The adrenal glands are located on top of the kidneys and they release catecholamines when an individual is stressed physically or emotionally (MedlinePlus, 2013).
Physiologically epinephrine increases the heart rate and constricts the blood vessels throughout the body (Klabunde, 2013). These actions are required by the body when performing exercise and are what helps get the body in motion.
What, if any, responses to exercise to catecholamines play? For endurance trained individuals there is an increased adrenaline response compared to untrained individuals for high intensity aerobic exercise. This is due to an occurrence termed the sports adrenal medulla (Zouhal, Jacob, Delamarche and Gratas-Delamarche, 2008). Conversely, Kjaer (1998) reported that at a same workload the endurance trained had a lower adr…
Related Posts Plugin for WordPress, Blogger...