30-Second Test
Sit-to-Stand Power
Male
Female
ft
in
lbs
yrs
−
0
# of reps
+
Calculate Power
→
How it Works
3 Steps to
Take the Test.
1.
Sit on the front edge of a chair with a
standard 17" seat height
, arms crossed over chest
2.
Stand fully upright then
sit back down
, as many times as possible
3.
Count your reps in
30 seconds
and enter them above
Relative STS Power
—
ft·lbf/s per lb
threshold
—
Reps for your age
average
you
This tool is informational only. Consult a clinician for health decisions.
Formula:
Alcazar et al.,
Exp Gerontol
, 2018
· Norms:
Rikli & Jones,
J Aging Phys Act
, 1999