botanical adjective [not gradable]. âº ârelating to âplants or the âscientific âstudy of âplants: a botanical âgarden botanical âspecimens. (Definition of botanical from the Cambridge Academic Content Dictionary Â© Cambridge University Press). See all translations.
Muscle relaxants work by causing the muscles to relax, which reduces pain and discomfort. Baclofen, diazepam, and tizanidine act on the central nervous system (brain and spinal cord). Dantrolene, works directly on the muscle, and cannabis extract works on the brain and spinal cord as well as the muscles.
Humans have three different types of muscle fibers: slow-twitch (Type I), fast-twitch A (Type IIa), and fast-twitch B (Type IIb). Type I muscle fibers are recruited for aerobic activities, so therefore contract slowly, but are very resistant to fatigue.