Exam 3: Knee And Ankle Flashcards
Knee joint demonstrates ___ movement during gait
Triaxial
Primary motion at knee
Flexion/extension
Most limited movement at knee
Varus-valgus
Due to soft tissue and bony constraints
MC injured structure in knee
ACL
Internal rotation of femur on fixed tibia
Osgood-Schlatter disease MC in
Kids, boys
Osgood-Schlatter disease
Tibial apophysitis
Inflamm at secondary oss center/ insertion of patellar tendon
Osgood-Schlatter disease presents as
Tenderness and swelling over tibial tuberosity
When distal part is AWAY from midline
Valgus
When distal part is TOWARD midline
Varus
Varus-valgus stress
Applying force that causes angulation of limb at a joint
Valgus stress
Force causes distal part to move away from midline
Varus stress
Force causes distal part to move toward midline
Varus stress test stresses ____ structures
Lateral
Valgus stress test stresses ___ structures
Medial
Ankle joint involves articulations w/ these bones
Tibia
Fibula
Talus
Talocrural joint permits this motion only
Plantar flexion
Dorsiflexion
**other motions are limited
Talocrural joint AKA
Mortise joint
Talocrural joint motions
Dorsi/plantar flexion (thetaX)
Eversion/inversion (thetaY)
Add/abduction (thetaZ)
Motion most limited at talocrural joint ____ due to ____
Varus/valgus (add/abduction) ; soft tissue and bony constraints
Injuries and sources of pain at ankle
Ligaments
Osseous
Muscles
80% of ankle fractures start w/
Supination (combo of inversion and rotation)
Supination of ankle has no ____ on lateral aspect
Stop gate (only ligs)
Congenital anomaly that is MC seen in people w/ flat feet
Calcaneonavicular coalition (fusion)
Clinical presentation in calcaneonavicular coalition
Flat feet/arches
Dec midfoot ROM
Achilles tendinopathy MC site
Distal toward insertion site
Achilles tendinopathy is seen w/
Chronic overuse/poor biomechanics
Achilles tear site
2-6 cm proximal to insertion
“Critical zone” (dec vascularity)
Achilles tear MC in these patients
Males, 30-50
Dec plantar flexion
