Unit IV Flashcards
What is the leading primary dx of office visits in the US?
Musculoskeletal complaints
Number of MSK d/o (with %)
93 million visits
10% of all ambulatory care visits
Arthritis - Stats
affects 1 in 5 Americans
22% of the adult population
leading cause of disability
Spinal d/o - Stats
4th highest dx group for office visits
LBP is one of the top 20 reasons for office visits
Key factors in evaluation of MSK d/o
Articular vs. extra-articular
Acute (< 6wk) vs. chronic (>12 wk)
Inflammatory vs. Non-inflammatory
Localized (monoarticular) vs. diffuse (polyarticular)
Structures of a Joint
Articular structures
Extra-articular structures
Articular structures
Joint Capsule Articular cartilage synovium synovial fluid Intra-articular ligs Juxta-articular bone
Extra-articular Structures
Ligs tendons bursae muscle fascia bone nerve overlying skin
What causes is a major potential cause of joint pain?
age
Types of joints
synovial
cartilaginous
fibrous
synovial
Bones covered by articular cartilage
Synovial membrane lines the synovial cavity and secretes a small amount of viscous lubricating fluid
Fibrous joint capsule surrounds the synovial membrane
Freely movable
Example - elbow, shoulder
Types of Synovial Joints
Spheroidal (ball & socket)
Hinge
Condylar
Cartilaginous
Between pubic symphysis and vertebrae (slightly movable)
Fibrocartilaginous discs separate the bony surfaces
Example - vertebral bodies of the spine
fibrous
Almost in direct contact
immovable
Example - sutures of the skull
Spheroidal
Ball & socket
Convex surface in concave cavity
Motion - flexion, extension, abduction, adduction, rotation, curcumduction (allows a wide rotary movement)
Example - Shoulder, hip
Hinge
Flat, planar, or slightly curved
Motion in one plane; flexion, extension; gliding motion on a single plane
Example - Interphalangeal joints of the hand & foot; elbows
Condylar
Convex or concave (condyles)
Movement of two articulating surfaces not dissociable
Knee; TMJ
Bursae
Roughly disc-shaped synovial sacs
Allow adjacent muscles or muscles and tendons to glide over each other during movement
Bursae - Examples
prepatellar bursa
Hip bursa
subacromial bursa of the shoulder
Common complaints
LBP
Neck Pain
Joint pain with associated constitutional symptoms & systemic manifestations from other organ systems
Joint pain - onset
Is the pain acute or chronic?
Was there an injury?
Clarify and record the mechanism of injury - esp. if trauma
Joint Pain - Location
Localized, diffuse or systemic
“point to the pain”
Does it involve joints or tissues?
monoarticular
one joint
polyarticular
diffuse or several joints
nonarticular
involving muscles, bones & tissues around the joint
joint pain - duration
When does the pain occur? How long have you had the pain? Acute or chronic Did it develop rapidly or insidiously? Has the pain progressed or fluctuated?
Joint Pain - Direction
Does the pain radiate - down arm/legs?
Numbness?
Tingling?
Joint Pain - Determine the severity of the pain
Pain right now? Pain at its worst Pain at its bets Pain with activity? Pain with Exercise? Pain with tx? What is it like over the course of the day? What is the the pain like in the morning? How is the pain as the day wears on?
Joint Pain - What makes it worse
Rest
Activity
stairs
hills