You will find 4 standard classifications of joint actions. Based mostly on their area, joints can both: Synovial joint innervation is among the most thoroughly understood between joint nerve arrangements. Sensory and autonomic fibers innervate synovial joints. Sympathetic nerves regulate vascular tone by norepinephrine and epinephrine's conversation with smooth muscle https://www.amazon.com/dp/B082XJ4R2F