Joints anatomy flashcards

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Twenty flashcards on joint anatomy: joint types, movements, major joints and arthritis.

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20 cards

Three structural types of joints?: Fibrous, cartilaginous and synovial.
Example of a fibrous joint?: The sutures of the skull.
Most movable joint type?: Synovial.
What covers bone ends in a synovial joint?: Hyaline (articular) cartilage.
Role of synovial fluid?: Lubricates the joint and nourishes the cartilage.
What does flexion mean?: Bending that decreases the angle between two parts.
What does abduction mean?: Moving a limb away from the midline.
Turning the palm up is called?: Supination.
Most often dislocated large joint?: The shoulder (glenohumeral joint).
Most common direction of shoulder dislocation?: Anterior.
Ligament that stabilizes the inner elbow?: Ulnar collateral ligament.
What type of joint is the hip?: Ball and socket: the femoral head in the acetabulum.
Ligament that stops the tibia sliding forward?: Anterior cruciate ligament (ACL).
Most sensitive exam test for an ACL tear?: Lachman test.
C-shaped cartilage pads in the knee?: Medial and lateral menisci.
Ligament most often injured in an ankle sprain?: Anterior talofibular ligament.
Usual mechanism of an ankle sprain?: Inversion of a plantar-flexed foot.
Name of the jaw joint?: Temporomandibular joint (TMJ).
What wears down in osteoarthritis?: Articular cartilage.
Where does rheumatoid arthritis start?: In the synovium, usually small joints of the hands and feet on both sides.