Effects of Periodic Task-Specific Test Feedback on Physical Performance in Older Adults Undertaking Band-Based Resistance Exercise

Table 2

Improvements in muscle performance and functional mobility.

	Muscle performance; feedback group			Functional mobility; feedback group			Interaction; (F ratio)
	Pre	Post	% Change	Pre	Post	% Change
Muscle performance
Arm curl; (reps/30 sec.)	21.6±2.7	28.4±3.6	31.4%§	20.7±3.0	24.0±3.7	15.9%§	15.2∗
Chair stand; (reps/30 sec.)	20.2±2.4	27.0±4.2	33.7%§	18.9±5.1	23.6±5.1	24.9%§	5.2∗
Functional mobility
Timed up & go; (sec)^#	4.87±0.57	4.70±0.50	−3.5%§	5.18±1.00	4.68±0.78	−9.7%§	4.1∗

Note: Values are mean ± SD.
Pre: baseline; post: after the 9-week exercise program.
No significant differences at baseline were present between groups for all indexes.
^#Improvement on test results in a negative value.
*Analysis of covariance (ANCOVA) significant group by time interaction, 𝑃<0.05.
§Paired t-test, 𝑃<0.05.