Which of the following exercises are useful for reconditioning the upper extremities of patients undergoing pulmonary rehabilitation?

1. Using a rowing machine
2. Using an arm ergometer
3. Pedaling a stationary bicycle
4. Using free hand weights
a. 1, 2, 3, and 4
b. 1 and 3 only
c. 1, 2, and 4 only
d. 2 and 4 only

ANS: C
Arm ergometers or rowing machines are available for this purpose; however, simple calisthenics using either a broomstick or free weights (by prescription and with training) are a satisfactory al-ternative.