The radial and ulnar arteries originate as a bifurcation of the axillary artery in the cubital fossa and serve as the major perforators to the forearm. Following its bifurcation, the radial artery runs along the lateral aspect of the forearm between the brachioradialis and flexor carpi radialis muscles.
What is ulnar styloid process?
There’s a bony projection at the end of the ulna, near your hand, called the ulnar styloid process. It fits into the cartilage of your wrist joint and plays an important role in the strength and flexibility of your wrist and forearm. Any sort of break in this area is called an ulnar styloid fracture.
What’s the difference between radial and ulnar?
The main difference between radius and ulna is that the radius is the long bone that extends from the lateral side of the elbow to the thumb side of the wrist. Meanwhile, the ulna is the long bone that extends from the elbow to the smallest finger in the medial side of the forearm.
What is princeps Pollicis?
The princeps pollicis artery is a small muscular artery that branches from the deep palmar arch. This artery then ascends the thumb passing between two muscles. The princeps pollicis artery splits the oblique head of the adductor pollicis muscle and the first interosseous muscle.
Can you Ligate the ulnar artery?
In the absence of acute hand ischemia, simple ligation of a lacerated radial or ulnar artery is safe and cost-effective.
What is radial styloid fracture?
Radial styloid fractures occur following forced radial deviation. They were called “backfire fractures” in the period when they were sustained by turning the crankshafts of old cars to ignite the sparkplugs.
What causes ulnar styloid fracture?
The most common cause of ulnar styloid fracture, or any other wrist fracture, is falling onto an outstretched arm. This could happen when playing sports, falling off a bike, having a car accident, or just falling hard as you trip over something.
Where is the radial styloid?
distal radius bone
The radial styloid process is found on the lateral surface of the distal radius bone. It extends obliquely downward into a strong, conical projection. The tendon of the brachioradialis attaches at its base.
What is radial bone?
The radius is one of the two bones that make up the forearm, the other being the ulna. It forms the radio-carpel joint at the wrist and the radio-ulnar joint at the elbow. It is in the lateral forearm when in the anatomical position. It is the smaller of the two bones.
