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Ch. 18 Knee Injuries.

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Presentation on theme: "Ch. 18 Knee Injuries."— Presentation transcript:

1 Ch. 18 Knee Injuries

2 Knee Genu Valgum (knocked knee) Genu Varum (Bow legged)
Genu Recurvatum (hyperextension)

3 Patellofemoral Pain Difficult injury to deal with because the MOI may be hard to isolate MOI: prolonged knee flexion, stairs, squats, running S/S: pain in the front of the knee or behind the kneecap, knee giving way, crepitus, mild swelling

4 Patellofemoral Pain Treatment: correct biomechanics that is causing misalignment, strengthen quads, patella tape, orthotics, braces

5 Patella Tendonitis Jumper’s Knee
MOI: sprinting, jumping, quick change in directions, repetitive S/S: anterior knee pain below patella Treatment: modify activity, ice, patella strap

6 Patella Dislocation MOI: knee bent and forced inward
S/S: obvious deformity, pain, immediate swelling Treatment: reduce, immobilize, check ligaments, RICE Rehab: strengthening, ROM

7 Osgood-Schlatter Involves tibial tubercle epiphysis
Males 12-16, Females MOI: traction of quads S/S: pain, swelling, weakness in quads, lump, pain with palpation

8 Osgood-Schlatter Treatment: control pain, swelling, and flexibility
Wear protective pad or knee sleeve Ice after all activity Take NSAIDs Stretch hamstrings

9 IT Band Syndrome Iliotibial Band: thick fibrous tissue on lateral side of thigh ITB Syndrome is irritation of the ITB when it crosses muscles and bone at lateral epicondyle

10 IT Band Syndrome Caused by increased mileage, foot and knee misalignment, leg length discrepancies Treatment: RICE, stretch, correct biomechanical problems

11 MCL MOI: blow to outside of knee resulting in valgus force
S/S: pain on medial joint line or at attachments of MCL, decreased ROM, swelling Treatment: RICE, crutches Rehab: ROM, strengthening

12 ACL Females who participate in basketball and soccer are four to six times more likely to tear ACL than males who play the same sport 70% of ACL injuries in females are noncontact Influencing factors Biomechanical: quadriceps, landing Hormones Environmental: playing surface, shoe type Anatomic: femoral notch, Q-angle

13 ACL MOI: noncontact or contact, rapid change of direction
No degrees—either torn or not S/S: ‘pop’, swelling, ‘loose’ knee, pain Special Test: Anterior Drawer, Lachman’s, should be performed before guarding sets in Diagnosed with MRI Treatment: RICE, crutches, knee immobilizer, surgery


15 PCL Most common MOI is car accident-knee hitting the dashboard
Use ‘sag’ test to diagnosis Usually non-surgical Rehab to restore strength and ROM

16 Meniscus Medial meniscus is attached more securely on the back and medial side of the knee. It does not more around easily which is why its torn more often MOI: sudden knee twisting S/S: clicking, pain with flexion As one ages, meniscus lose rubbery consistency and tear more easily

17 Special Tests Apprehension: Patella dislocation
Valgus Stress Test: MCL Varus Stress Test: LCL Lachmen’s and Anterior Drawer: ACL Posterior Drawer: PCL McMurray’s: Meniscus

18 Rehab ROM: heel prop, heel slides
Strengthening: Straight leg raises, total knee extensions, step ups Balance: on foam pad, rebounder Functional: speed ladder, carioca, cutting

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