elbow
There are bony bumps at the bottom of the humerus called epicondyles, where several muscles of the forearm begin their course. The bony bump on the outside (lateral side) of the elbow is called the lateral epicondyle.
Which muscles originate from the lateral epicondyle of the humerus?
The extensor carpi radialis brevis originates from the lateral epicondyle of the humerus by a common tendon shared with other muscles of the posterior superficial compartment including the extensor carpi ulnaris, extensor digiti minimi, and extensor digitorum.
What does the lateral epicondyle articulate with?
It articulates with the radius and ulna bones of the forearm to form the elbow joint. Distally, the humerus becomes flattened. The prominent bony projection on the medial side is the medial epicondyle of the humerus. The much smaller lateral epicondyle of the humerus is found on the lateral side of the distal humerus.
What attaches to the lateral epicondyle of the elbow?
A tendon is a tough band of tissue that connects muscle to bone. The tendons involved in tennis elbow attach the extensor muscles of the forearm to the prominent outer part of the elbow bone, called the lateral epicondyle.
What is epicondyle of the humerus?
The elbow joint is made up of the bone in the upper arm (the humerus) and one of the bones in the lower arm (ulna). The bony prominences, or bumps, at the bottom of the humerus are called the epicondyles. The bump on the outer side of the elbow is called the lateral epicondyle.
What is lateral epicondyle of humerus?
The lateral epicondyle of the humerus is a large, tuberculated eminence, curved a little forward, and giving attachment to the radial collateral ligament of the elbow joint, and to a tendon common to the origin of the supinator and some of the extensor muscles.
Is lateral epicondyle a bone?
What is epicondyle?
noun. Anatomy. a rounded protuberance at the end of a bone, serving as a place of attachment for ligaments, tendons, and muscles.
Can you fracture your lateral epicondyle?
Lateral epicondyle fractures account for up to 15% of all elbow fractures in children. However, these are rare in adults, with an incidence of 5.7/100,000. These fractures can disrupt the articulation with the radial head, causing elbow instability.
What is the function of the lateral epicondyle?
Anatomical terms of bone The lateral epicondyle of the humerus is a large, tuberculated eminence, curved a little forward, and giving attachment to the radial collateral ligament of the elbow joint, and to a tendon common to the origin of the supinator and some of the extensor muscles.
How painful is a broken humerus?
A broken upper arm (fractured humerus) can be extremely painful, so much so that you may feel sick, dizzy or faint. Other symptoms of a broken upper arm are: You will be unable to use your arm. Your elbow or upper arm may be swollen. Your elbow or upper arm may bruise. If it is a very severe break, your arm may be a different shape.
What is the healing time for a broken humerus bone?
In general, an elderly person with a proximal humeral fracture never regains full range of movement, whether treated conservatively or surgically. The aim is rehabilitation to a functional range of movement. Generally recovery takes at least one year but union is expected at 6-8 weeks. Adequate treatment of those at risk of osteoporosis.
Which muscles attach to the lateral epicondyle?
Lateral epicondylitis, or tennis elbow, involves the muscles and tendons of your forearm. Your forearm muscles extend your wrist and fingers. Your forearm tendons — often called extensors — attach the muscles to bone. They attach on the lateral epicondyle.
What does lateral epicondyle mean?
The term lateral epicondyle refers to two separate structures in the body that perform a similar function. The lateral epicondyle of the humerus, which is the large arm bone in the upper arm, is a protrusion located near the elbow to which tendons attach.
