An example of a pivot joint is the joint between the atlas and axis (C1 & C2) vertebrae, the rotation around each other allows our heads to âpivotâ left and right. 5. Ball and socket joints: This type of joint allows side to side, back and forth, and rotational movement.
At low bladder volumes, afferent firing is low, resulting in excitation of the outlet (the sphincter and urethra), and relaxation of the bladder. At high bladder volumes, afferent firing increases, causing a conscious sensation of urinary urge.
An urge to drink can be set off by external triggers in the environment and internal ones within yourself. 1  External triggers are people, places, things, or times of day that offer drinking opportunities or remind you of drinking. 2  Internal triggers can be puzzling because the urge to drink just seems to pop up..