MSK Flashcards
(125 cards)
What are articular structures?
Joint capsule & articular cartilage, synovium & synovial fluid, intra-articular ligaments, and juxta-articular bone.
What are extra-articular structures?
Periarticular ligaments, tendons, bursae, muscle, fascia, bone, nerve, & overlying skin.
What are ligaments?
Rope-like bundles of collagen fibrils that connect bone to bone.
What are tendons?
Collagen fibers connecting muscle to bone.
What is cartilage?
Collagen matrix overlying bony surfaces.
What is bursae?
Pouches of synovial fluid that cushion the movement of tendons & muscles over bone or other joint surfaces.
Synovial joint?
Joint is freely movable.
Bones are covered by articular cartilage & separated by synovial cavity.
Synovial membrane secretes synovial fluid that lubricates joint movement.
Examples of synovial joint?
Shoulder & knee.
Cartilaginous joint?
Joint is slightly movable.
Bones separated by fibrocartilaginous discs that contain nucleus pulpous that cushions bony movement.
Examples of cartilaginous joint?
Vertebral bodies of the spine.
Fibrous joint?
Have no appreciable movement.
Bones separated by fibrous tissue or cartilage.
Examples of fibrous joint?
Sutures of the skull.
Spheroidal (ball & socket)?
Shape: Convex surface in concave activity.
Movement: Wide ranging flexion, extension, abduction, adduction, rotation, and circumduction.
Examples: Shoulder, hip
Hinge?
Shape: Flat, Planar.
Movement: Motion in one plane; flexion & extension.
Example: Interphalangeal joints of hand & foot; elbow.
Condylar?
Shape: Convex or concave.
Movement: Movement of two articulating surfaces not dissociable.
Examples: Knee; temporo-mandibular joint.
Steps to evaluating joint pain?
Articular vs. extra articular
Acute (<6 wks) vs. chronic (>12 wks)
Inflammatory vs. noninflammatory
Localized (monoarticular) vs. diffuse (polyarticular)
What do you ask a patient w’/ joint pain?
Fever/chills.
What is monoarticular?
Single joint –> injury, monoarticular arthritis, extra articular cause (tendinitis, bursitis)
What is polyarticular?
Several joints (>/= 4), Ask about pattern of involvement.
Pt presents w/ migratory pattern from joint to joint?
Rheumatic fever, gonococcal arthritis.
Pt presents with pain spreading from one joint to multiple joints or additive/progressive pattern & symmetric?
RA
What causes inflammatory joint disorders?
Infectious (Neisseria gonorrhea, Mycobacterium tuberculosis).
Crystal induced (gout) Immune related (lupus, rheumatoid arthritis).
Reactive (reactive arthritis).
Idiopathic
Signs of articular joint pain?
Decreased active & passive ROM and morning stiffness.
Signs of extra articular joint pain?
Decreased active ROM & nml passive ROM and periarticular tenderness (occurring around the joint).