<span>Remove any obvious dirt or debris from the wound. ...Stop the bleeding. ...Help the injured person lie down, preferably on a rug or blanket to prevent loss of body heat. ...Don't remove the gauze or bandage. ...<span>Immobilize the injured body part once the bleeding has stopped</span></span>
The <span>humero-ulnar </span>joint is a monaxial articulation at the elbow.
Humero-ulanr is a part of elbow's joint which allow the movement of flexion and extension in your joint.
Since the movement of both flexion and extension can only happens<em> one way</em>, the joint is categorized as a monaxial.
You are to remain calm incase of an emergency.