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Assessment of Acute Knee Injuries

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Discuss the anatomical structures of the knee ... Fibula. Patella ... Fibula. Patella* *articulating surface covered. with a smooth layer of articular ... – PowerPoint PPT presentation

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Title: Assessment of Acute Knee Injuries


1
Chapter 6
  • Assessment of AcuteKnee Injuries

2
Objectives
  • Discuss the anatomical structures of the knee
  • Identify and discuss the common acute injuries to
    the knee
  • Review the following components of injury
    assessment related to the acute knee injuries
  • Mechanism of injury
  • Signs
  • Symptoms

3
Bones
  • Femur
  • Tibia
  • Fibula
  • Patella
  • articulating surface covered with a smooth layer
    of articular cartilage (also referred to as
    hyaline cartilage)

4
Bones
  • Femur
  • Tibia
  • Fibula
  • Patella
  • articulating surface covered with a smooth
    layer of articular cartilage (also referred to
    as hyaline cartilage)

5
Joints
  • Tibiofemoral
  • Proximal tibiofibular
  • patellofemoral

6
Ligaments
  • Joint capsule
  • Medial collateral ligament (MCL)
  • Protects against lateral forces
  • Lateral collateral ligament (LCL)
  • Protects against medial forces

7
Ligaments
  • Joint capsule
  • Anterior cruciate ligament (ACL)
  • Prevents the tibia from moving forward or the
    femur from moving backward
  • Posterior cruciate ligament (PCL)
  • Prevents the tibia from moving backward or the
    femur from movingforward

8
Menisci (Cartilage)
  • Medial meniscus (C-shaped)
  • Injured more frequently
  • Less mobile
  • Attaches to MCL ligament

9
Menisci (Cartilage)
  • Lateral meniscus (O-shaped)
  • Injured less frequently
  • more mobile

10
Menisci (Cartilage)
  • Function
  • Provide stability
  • Provide shock absorbency
  • Lubricate, reduce friction

11
Muscles
  • Quadriceps (anterior)
  • Hamstrings (posterior)
  • Adductors (medial)
  • Iliotibial band (lateral)

12
Muscles
13
Patellar Tendon
14
Common Acute Knee Injuries
  • Contusion
  • Meniscal injury
  • Sprain
  • Strain
  • Chondral lesion
  • Fracture
  • Dislocation

15
Contusions to the Knee
  • MOI
  • Signs
  • Symptoms

16
Meniscal Injuries
  • MOI
  • Signs
  • Symptoms

17
Meniscal Injuries
18
Meniscal Injuries
Flap tear
19
Meniscal Injuries
20
Meniscal Injuries
21
Sprains to the Knee
  • Medial (tibial) collateral (MCL)
  • Lateral (fibular) collateral (LCL)
  • Anterior cruciate (ACL)
  • Posterior cruciate (PCL)

Anterior View
Posterior View
22
MCL Sprains
  • MOI
  • Signs
  • Symptoms

23
LCL Sprains
  • MOI
  • Signs
  • Symptoms

24
ACL Sprains
  • MOI
  • Signs
  • Symptoms

25
PCL Sprains
  • MOI
  • Signs
  • Symptoms

26
Patellofemoral Syndrome
  • MOI
  • Signs
  • Symptoms

27
Patellar Tendinitis
  • MOI
  • Signs
  • Symptoms
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