Caffeine enhances motoneuronal excitability and facilitates motor unit recruitment do not result from its direct action on the central nervous system, rather from indirectly stimulating the nervous system by blocking the chemical neuromodulator adenosine to calm brain and spinal cord neurons.

Question

Quizplus · Accepted Answer

Caffeine works by blocking adenosine receptors, which prevents adenosine from calming the brain and spinal cord neurons, indirectly stimulating the central nervous system and enhancing motoneuronal excitability and motor unit recruitment.

Caffeine Enhances Motoneuronal Excitability and Facilitates Motor Unit Recruitment Do