Which of the following exercises are useful for reconditioning the lower extremities of patients undergoing pulmonary rehabilitation?
1. Walking on a flat surface for a specified period of time
2. Walking on a treadmill for a specified distance or time
3. Pedaling a stationary bicycle for a specified distance
a. 2 and 3 only
b. 1 and 2 only
c. 1, 2, and 3
d. 1 and 3 only
ANS: C
Lower extremity exercises may include either walking or bicycling. Patients can walk on a sta-tionary treadmill (with set goals for distance or time and grade) or on a flat, smooth surface. Pa-tients can bicycle on an exercise cycle. With the treadmill or stationary bicycle, patients are re-quired to cover a certain distance or duration every day that they are in the program.
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