Flex Therapist CEUs

Total Knee Arthroplasty: Stair Negotiation and Gait

1. Data from instrumented total knee prostheses showed that knee flexion moments during stair walking is _____% greater than those for level walking.

A. 10 B. 20 C. 30 D. 40

2. Results of this study show _____ during stair ascending compared to level walking.

A. That the TKA-patients walked with a slower velocity than age-matched controls B. More differences in joint kinetics between TKA-patients and age-matched controls C. More differences in lower body angles between TKA-patients and age-matched controls D. All of the above

3. Lower knee flexion moments and higher knee extension moments have been proposed as a compensatory stabilizing mechanism for abnormal function of the quadriceps muscle because of loss of function or loss of muscle force after extended periods of pain?

A. True B. False

4. Which of the following showed a significant difference during stance between patients and control subjects during stair ascending?

A. Knee flexion-extension impulse B. Maximal knee power C. Both (A) and (B) D. None of the above

5. Quadriceps strength was found to be a limiting factor for sufficiently balancing external knee flexion moments during ambulation.

A. True B. False

6. The results of this study indicate that TKA-patients should strengthen their _____ to improve knee kinetics in the sagittal plane for level walking and ascending stairs.

A. Knee extensors B. Calf muscles C. Both (A) and (B) D. None of the above

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