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1. After Total Knee Arthroplasty, there is an acute profound postoperative deficit in the quadriceps muscle strength that fails to completely resolve even years after surgery
A. True
B. False
2. Using the uninvolved limb as a comparator for normal quadriceps strength is often appropriate.
A. True
B. False
3. Failure of voluntary activation of skeletal muscles is defined as:
A. The inability to recruit any muscle fibers
B. The inability to produce all available force of a muscle despite maximal effort
C. Any delay in activation of muscle fibers
D. None of the above
4. Sarcopenia is defined as:
A. The progressive loss of muscle mass with aging
B. An abnormal loss of muscle mass in children following orthopedic surgery
C. Tearing of muscle tissue following high intensity of stress during exercise
D. None of the above
5. Quadriceps weakness in older adults has been associated with an increased:
A. Fall risk
B. Decreased gait speed
C. Impaired stair-climbing ability
D. All of the above
6. Rehabilitation following a TKA should be directed towards pain control and improving knee ROM as these impairments appear necessary to achieve the best functional abilities.
A. True
B. False
7. Which modality has shown some evidence in enhancing the speed and ultimate recovery of quadriceps strength after TKA?
A. Ultrasound
B. Low Level Laser
C. Neuromuscular electrical stimulator (NMES)
D. All of the above
8. Recipients of TKA should respond favorably to similar theraeutic exercise guidelines as suggested by the American College of Sports Medicine (ACSM) for older individuals. These guidelines include all of the following; EXCEPT?
A. Progressive resistive training of major muscle groups
B. Recreational activities with high joint loads
C. Aerobic training 3 times per week for 30 to 40 minutes
D. Walking on flat ground initially, adding hills, and negotiating stairs
9. The following are all exercises appropriate for Phase I rehab for TKA except:
A. Straight-leg raise
B. Seated knee extension
C. Repeated sit-to-stand transfer training
D. Step-ups 5-15 cm
10. The following are criteria for progression from Phase II to Phase III of outpatient rehab:
A. Voluntary quadriceps muscle control or 0 degrees knee extension lag
B. AROM 0 degrees to greater than 105 degrees of knee flexion
C. Minimal to no pain and swelling
D. All of the above
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