The regulatory peptides synthesized by the gut include hormones, peptide neurotransmitters and growth factors. Indeed, several hormones and neurotransmitters first identified in the central nervous system and other endocrine organs have subsequently been found in endocrine cells and/or neurons of the gut.ubsequent to hormone binding, a signal is transduced to the interior of the cell, where second messengers and phosphorylated proteins generate appropriate metabolic responses. The main second messengers are cAMP, Ca 2+ , inositol triphosphate (IP 3), and diacylglycerol (DAG).
You are here. 20-Minute Total Body Rowing Workout. Pass by the crowd waiting for an elliptical and make a beeline for a rowing machine. Youâll burn up to 50 percent more calories while strengthening nearly all the muscles from your shoulders to your calves.
A rowing machine is one of the few machines on the market that truly works out your entire body. The images below highlight the phases of a rowing motion and the muscles engaged during a single rowing stroke: The âCatchâ. Muscles worked: Erector Spinae, Gastrochnemius and Soleus, and Hamstrings.ne of the rowing machineâs claims to fame is itâs fantastic for working out your whole body. Your lower and upper body are required to complete a rowing stroke which is a good and bad thing depending on how you look at it.