Figure 1.

Exercise examples from the physical exercise program: strength exercises (a) sit-to-stand, (b) squat; (c) balance exercise: subject rolls the ball back and forth or from the left to the right with the left foot while balancing on the air-filled cushion.

Pichierri et al. BMC Geriatrics 2012 12:74   doi:10.1186/1471-2318-12-74
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