Humerus
Synonyms
Humerus head, greater tuberosity, lesser tuberosity, epicondylus humeri radialis, epicondylus humeri ulnaris, humerus fracture, humerus fracture
Medical: Humerus
English: humerus
anatomy
Of the Humerus (Humerus), like all bones of the arm, is a long bone.
To the Shoulder joint the upper arm bone (humerus) has a round head (caput humeri). This humerus head is angled by approx. 130 ° in relation to the shaft. The humeral head forms with the shoulder blade part of the shoulder joint and is therefore covered with a layer of cartilage tissue like all joints.
Below the head of the humerus there are two bones (greater tuberosity and lesser tuberosity) to which large muscle groups are attached. The long biceps tendon runs between the bones in a groove (sulcus bicipitalis).
The upper arm bone (humerus) spreads into its two joint roles to the elbow joint.
The muscles of the forearm flexors and forearm extensors attach to the side of the two joint rollers.
The flexors attach to the joint roll on the side of the spoke (little finger side) on the so-called epicondyle humeri ulnaris. On the side of the radius, the forearm extensor muscles attach to the epicondylus humeri radialis on the humerus.
Figure humerus
Humerus
- Humerus head -
Caput humeri - Big hump -
Greater tuberosity - Small hump -
Lesser tuberosity - Anatomical neck -
Collum anatomicum - Surgical Neck -
Collum chirurgicum - Upper arm shaft -
Corpus humeri - Inner femoral knot -
Medial epicondyle - Outer femoral knot -
Lateral epicondyle - Upper arm head -
Capitulum humeri - Upper arm roll -
Trochlea humeri - Elbow pit -
Olecranon fossa
You can find an overview of all Dr-Gumpert images at: medical illustrations
The shoulder joint
- Greater tuberosity
- Biceps tendon above the bicipital sulcus
- Humerus head
- Humerus shaft
Appointment with ?
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Who am I?
My name is dr. Nicolas Gumpert. I am a specialist in orthopedics and the founder of .
Various television programs and print media report regularly about my work. On HR television you can see me every 6 weeks live on "Hallo Hessen".
But now enough is indicated ;-)
In order to be able to treat successfully in orthopedics, a thorough examination, diagnosis and a medical history are required.
In our very economic world in particular, there is too little time to thoroughly grasp the complex diseases of orthopedics and thus initiate targeted treatment.
I don't want to join the ranks of "quick knife pullers".
The aim of any treatment is treatment without surgery.
Which therapy achieves the best results in the long term can only be determined after looking at all of the information (Examination, X-ray, ultrasound, MRI, etc.) be assessed.
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60311 Frankfurt am Main
You can make an appointment here.
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For more information about myself, see Lumedis - Orthopedists.
function
The humerus connects that Shoulder joint with the elbow joint and thus with the forearm. At the shoulder the humerus forms with the shoulder blade (Scapula) the shoulder joint, a so-called ball joint.
At the elbow joint, the humerus forms the elbow joint with the ulna and radius, a hinge joint.
X-ray of the elbow joint
- Humerus (Humerus)
- Cubit (Ulna)
- Spoke (radius)
Diseases of the humerus
Tennis elbow (epicondylitis humeri radialis) and golfer's elbow (Epicondylitis humeri ulnaris)
The most common disease of the upper arm bone is tennis elbow (Humeri radial epicondylitis). In the Humeri radial epicondylitis it is a painful inflammation of the tendons of the forearm extensor muscles.
Inflammation of the forearm flexor muscles is much less common (Epicondylitis humeri ulnaris), as Golfer's elbow referred to as.
There are also fractures of the humerus (upper arm fracture). Fractures close to the elbow, the so-called supracondylar humerus fracture, are particularly common in childhood.
In older age, the humeral head fracture dominates. The joint head breaks into several fragments. Reconstruction is difficult.
Upper arm fractures are rather rare.
Dislocation of the shoulder
Another injury is that Dislocation of the shoulder (Shoulder dislocation). The head of the humerus leaves the joint socket and, in most cases, gets stuck under the raven beak extension (processus coraroideus = coracoid) of the shoulder blade (scapula).
