DIAG 2730 Knee - Chapter 18 The Knee Complex Overview The...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 18 The Knee Complex
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Overview The knee joint complex is extremely elaborate and includes three articulating surfaces, which form two distinct joints contained within a single joint capsule: the patellofemoral and tibiofemoral joint Given the frequency of knee injuries and the intricate nature of this joint complex, those caring for knee injuries must have an extensive knowledge base
Background image of page 2
Observation The observation component of the  examination begins as the clinician meets  the patient and ends as the patient is  leaving This informal observation should occur at  every visit
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Observation When observing the knee look for swelling  – 2 types of swelling occurs in the knee i) Localized swelling – ie: bursal  ii) Generalized swelling – ie: intra-articular  (synovitis)
Background image of page 4
Observation Look for general knee deformities – Normally,  the tibia has a slight valgus angulation in  comparison with the femur
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Observation Genu Recurvatum –  the incidence of  hyperextension is  higher amongst  females and  individuals with longer  or “lax” ligaments   
Background image of page 6
The Tibiofemoral Joint The tibiofemoral joint = distal end of the femur + proximal end of the tibia Distal aspect of the femur = two femoral condyles separated by an intercondylar eminence The anterior and posterior intercondylar areas serve as attachments sites for ACL and PCL                                                                                      
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Tibiofemoral joint Biomechanics The tibiofemoral joint, or knee joint, is a  ginglymoid, or modified hinge joint The bony configuration of the knee joint  complex is geometrically incongruous and  lends little inherent stability to the joint Joint stability is therefore dependent upon the  static restraints of the joint capsule,  ligaments, and menisci, and the dynamic  restraints of the quadriceps, hamstrings, and  gastrocnemius 
Background image of page 8
Distal Femur The femoral  condyles project  posteriorly from the  femoral shaft The smaller lateral  femoral condyle is  ball-shaped &  faces outward, the  elliptical-shaped  medial femoral  condyle faces  inward 
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Distal Femur The lateral  epicondyle = as  origin for the  lateral head of the  gastrocnemius,  and the lateral  collateral ligament  (LCL) The medial  condyle = as the  insertion site for  the adductor  magnus, and the  medial collateral  ligament (MCL)
Background image of page 10
Femoral condyles The anterior-posterior  width of the medial  femoral condyle is  greater than its lateral by  about 1.7 cm The length of the articular  surface of the medial  femoral condyle is longer  than the length of the  lateral femoral condyle 
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Proximal tibia
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/23/2011 for the course DIAG 2730 taught by Professor Ronaldg.mayne during the Winter '11 term at Life Chiropractic College West.

Page1 / 70

DIAG 2730 Knee - Chapter 18 The Knee Complex Overview The...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online