Approximately 27,000 inversion ankle sprains occur every day in the U.S. [1]. Regardless of the type of sprain, returning to work or sport prematurely is the primary cause for continued ankle disability [1]. Approximately 50% of people who have an acute ankle injury will re-injure the ankle [1]. Therefore, assessment of recovery, including ankle strength and stability, is essential before resuming normal activity. Several studies have shown that leg power and its key components torque and velocity are key indicators of mobility and performance [2–5]. Extending the results from these studies to describe the ankle indicates that measuring ankle power during recovery may lead to a better understanding of the ankle's readiness for work or sport. Although some devices (e.g., dynamometers) allow clinicians to test power and torque capacity, due to factors such as cost and complex...

References

References
1.
Renström
,
P.
, and
Konradsen
,
L.
,
1997
, “
Ankle Ligament Injuries
,”
Br. J. Sports Med.
,
31
(
1
), pp.
11
20
.10.1136/bjsm.31.1.11
2.
Bean
,
J.
,
Kiely
,
D. K.
,
Herman
,
S.
,
Leveille
,
S. G.
,
Mizer
,
K.
,
Frontera
,
W. R.
, and
Fielding
,
R. A.
,
2002
, “
The Relationship Between Leg Power and Physical Performance in Mobility—Limited Older People
,”
J. Am. Geriatr. Soc.
,
50
(
3
), pp.
461
467
.10.1046/j.1532-5415.2002.50111.x
3.
Bean
,
J. F.
,
Leveille
,
S. G.
,
Kiely
,
D. K.
,
Bandinelli
,
S.
,
Guralnik
,
J. M.
, and
Ferrucci
,
L.
,
2003
, “
A Comparison of Leg Power and Leg Strength Within the InCHIANTI Study: Which Influences Mobility More?
,”
J. Gerontol., Ser. A
,
58
(
8
), pp.
M728
M733
.10.1093/gerona/58.8.M728
4.
Bean
,
J. F.
,
Kiely
,
D. K.
,
LaRose
,
S.
,
Goldstein
,
R.
,
Frontera
,
W. R.
, and
Leveille
,
S. G.
,
2010
, “
Are Changes in Leg Power Responsible for Clinically Meaningful Improvements in Mobility in Older Adults?
,”
J. Am. Geriatr. Soc.
,
58
(
12
), pp.
2363
2368
.10.1111/j.1532-5415.2010.03155.x
5.
Chossat
,
J.
,
Park
,
Y.
,
Wood
,
R.
, and
Duchaine
,
V.
,
2013
, “
A Soft Strain Sensor Based on Ionic and Metal Liquids
,”
IEEE Sens. J.
,
13
(
9
), pp.
3405
3414
.10.1109/JSEN.2013.2263797
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