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.
Scientists are not sure what causes ADHD. ADHD is more common in males than females, and females with ADHD are more likely to have problems primarily with inattention. Other conditions, such as learning disabilities, anxiety disorder, conduct disorder, depression, and substance abuse, are common in people with ADHD.