Humeral-radial joint, It is located on the outside part of the elbow. It is considered a diarthrosis joint, since it allows several movements to be carried out. The main movements of the joint are flexion and extension, both involving different ligaments: anterior, posterior, annular, and internal lateral.
It is located in the middle part of the arm, specifically on the inner edge of the elbow. The ligaments that surround the radius and ulna are the transverse, anterior, and posterior ligaments. Being a trochlear joint (humeroulnar joint), it only allows movements in one plane, and also intervenes in the flexion and extension movements of the elbow.
Proximal Radioulnar Joint:
It is a trochoid joint, so you can perform various movements, specifically pronation and supination. It is constituted by the elbow joint capsule and reinforced by the annular ligament.
- Extension: the triceps brachii muscle is used to perform this movement.
- Flexion: in this case, several muscles are used: biceps brachii, brachialis muscle, and brachioradialis muscle.
- Supination: the muscles involved in this movement are the brachialis and biceps brachii.
- Pronation: to carry out this movement, the muscles used are the pronator teres muscle and the pronator quadratus.
The elbow joint is composed of bone, cartilage, ligaments, and fluid. Pain in the elbow joint can be due to many causes that can cause pain.
The most common symptoms are pain, loss of strength, and joint stiffness.
Some of the most common elbow disorders are Tennis elbow (lateral epicondylitis), epitrochleitis (golfer's elbow), osteoarthritis of the elbow, (olecranon) bursitis, gout in the elbow, and biceps injuries. Panner's disease is a pathology that appears when the cartilage and the capitellum are subjected to stress.
It is common in growing children and adolescents who play sports that involve rapid or jerky movements, such as baseball or rhythmic gymnastics.