Synovial Joint: Moovable Diarthroses Joint

In these types of joints the fibers are very short and allow for little of no movement. Synarthroses joints come together at a point at which adjacent bones are bound

If the range of motion of the selected joint is equal when the other joint is in both positions, the bi-articular structure is passively sufficient. If the range of motion of the selected joint is smaller in the selected joint when the other joint is in a position that will put further strain on the bi-articular structure, that structure is not passively sufficient.

The knee is a hinge-type, diarthrotic, or freely moveable joint. Also referred to as a synovial joint, the 2 articulating ends of bone are encased in a capsule that lubricates the joint with synovial fluid to reduce friction.

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The back of the hand is called the dorsal side. The half of the hand from the middle finger to the thumb is called the radial side. The other side is called the ulnar side. There are 27 bones within the wrist and hand. The wrist itself contain 8 small bones called the carpals. The carpels join with the 2 forearm bones, radius and ulna, forming the wrist joint. Further into the palm the carpals connect to the metacarpals. There are 5 metacarpals forming the palm of the hand. One metacarpal connect at each finger and thumb. Small bone shafts called phalanges line up to form each finger and thumb. The main knuckle joint is formed by the connection of the phalanges and the metacarpals. These joints are called the metacarpophalangeal joints. These joints work like a hinge when you bend and straighten your fingers. The three phalanges are separated by interphalangeal joints. These are defined as proximal, distal and medial interphalangeal joints.The joints in the hand are covered on the inside with articular cartilage, this white shiny material is has a rubbery consistency. The function is to absorb shock and provide an extremely smooth surface to provide motion. There is articular cartilage everywhere when two bones are moving with each other // or

There are two methods of classifying joints: function and structure. Functional classifications include: synarthrosis (immovable joint), diarthrosis (freely movable joint and amphiarthrosis (slightly movable joint). Structural classifications are: bony, fibrous, cartilaginous and synovial

I am writing on temporomandibular joint disorder or TMJ. Your temporomandibular joint connects the mandible, to the temporal bone which are on the side of the head. It allows for us to talk, chew our food and yawn. Temporomandibular joint disorder involves the joint and muscles. The joint and tissue is distinctive from other joint in our bodies.

The shoulder is a ball and socket joint which allows it a flexion and extension motion.

The shoulder and hip are considered ball and socket joints. In the shoulder, the “ball” of the humerus fits into the “socket” formed by the shoulder blade. In the hip, the “ball’ of the femur fits into the “socket” of the pelvis. These joints allow the motion in the body. Also, the shoulder joint and the joint are both synovial joints (diarthroses), meaning they both consists of:

The knee joint is one of many synovial joints within the human body. It is the largest joint in the body and is known as a ginglymus, or hinge, joint involving the articulation of the femur and the tibia. A hinge joint is a joint between two or more articulating bones, moving in only one plane. The movements that occur at the knee are flexion and extension. The knee joint is a modified hinge joint, therefore as well as allowing the movements of flexion and extension; the movements of internal rotation and external rotation are possible. The knee joint has six degrees of freedom, moving in all three planes: the frontal plane, the sagittal plane and the transverse plane. Internal rotation and external rotation of the knee move about the

Ball and socket joints are ball-shaped surface and the rounded end of the bone into the socket of another bone. A ball and socket joint allow movement in all the directions, all the three dimensions. You will find the ball and socket joint on the shoulder and the hips joints. Ball and socket joints are ball-shaped surface and the rounded end of the bone into the socket of another bone. A ball and socket joint allow movement in all the directions, all the three dimensions. You will find the ball and socket joint on the shoulder and the hips joints. Ball and socket joints are ball-shaped surface and the rounded end of the bone into the socket of another bone. A ball and socket joint allow movement in all the directions, all the three dimensions.

The location of the final structure is in the shoulder. The shoulder is a complex glenohumeral ball and socket joint in which the humerus connects loosely into the scapula, which allows for multi-axial movements, such as rotation, adduction, extension, flexion and abduction. Although this joint allows for the most movement in the entire body, this makes it become more vulnerable to injuries. Its role in maintaining homeostatsis within the body is that it is surrounded by soft tissues to provide the shoulder with more support. The rotator cuff tendons and muscles assist with keeping the head of the humerus stable in the glenohumeral joint. The synovial fluid, found in the articular cartilage, reduces friction, to prevent bone ends from wearing

A ball and socket synovial joint make up the shoulder. Located Inside the joint is a bursa; a flat fibrous sac lined with a synovial membrane with synovial fluid inside. The bursa reduces friction caused by rubbing of the bones in every day movements. There are two bursae in the shoulder: the subscapular bursa protects the subscapularis tendon as it travels over the neck of the scapula, and the sub acromial bursa, located above the glen humeral joint beneath the acromion and the curacao-acromial ligaments. The shoulder is surrounded by a loose fibrous tissue capsule that is lined by a synovial membrane, which covers every part of the shoulder but areas already covered by articular cartilage. The purpose of the synovial membrane is to lubricate

This joint is stabilized by dynamic and passive stabilizers. Dynamic stability is provided by muscle who cross the joint, quadriceps, triceps surae and hamstring. Passive stability is supported by non-contractile structures such as

The patient with RA will experience joint pain and swelling as well as limited joint movement. RA is characterized by remissions and exacerbations: periods where the pain and swelling decrease and the patient feels better. This is soon reversed and the pain and swelling increase and the patient feels worse than before. The patient may also experience weakness and fatigue, as well as anorexia and weight loss due to the systemic inflammation. Contractures and deformities arise, the ulna may deviate and nodules may occur over bony prominence. New blood vessels develop to extend to the unprotected bone at the junction. This is called pannus and it causes necrosis; it is the pannus that separates other inflammatory diseases from