Table 1. Physical, Mobility, Balance, Gait, and Muscle Function Characteristics of Study Participants.

	All (n = 93)	Men (n = 42)	Women (n = 51)
Age (years)	73.9 ± 6.5	74.2 ± 6.9	73.7 ± 6.3
Height (m)	1.66 ± 0.09	1.7 ± 0.1	1.63 ± 0.08†
Body mass (kg)	75.8 ± 14.9	80.8 ± 14.2	71.6 ± 14.3†
ABC (%)	92.1 ± 10.0	95.4 ± 5.8*	89.3 ± 11.8*†
TUG (second)	10.4 ± 2.5 (n = 53)	9.5 ± 1.7 (n =23)	10.9 ± 2.9 (n = 30)
BTL (2/3/4/5/6/7)	5/27/42/14/5/0	1/12/19/7/3/0	4/15/2 3/7/2/0†
SS Gait Speed ((m/s)/m)	0.68 ± 0.12	0.68 ± 0.10	0.68 ± 0.14
HT Gait Speed ((m/s)/m)	0.60 ± 0.13	0.61 ± 0.13	0.60 ± 0.14
Walking with head forward
Step length/body height	0.38 ± 0.05	0.39 ± 0.05	0.37 ± 0.05
Step width/body height	0.38 ± 0.04	0.38 ± 0.04	0.37 ± 0.04
Walking with head turn
Step length/body height	0.34 ± 0.05	0.35 ± 0.05	0.34 ± 0.05
Step width/body height	0.35 ± 0.05	0.35 ± 0.04	0.34 ± 0.05
Hip Torque (Nm/kg/m)	0.007 ± 0.002 (n = 52)	0.008 ± 0.003 (n = 23)	0.007 ± 0.002 (n = 29)
Hip Power (Torque.rad/sec)	0.43 ± 0.17 (n = 52)	0.47 ± 0.19 (n =23)	0.41 ± 0.13 (n =29)
DiffSpeed	0.12 ± 0.12	0.11 ± 0.13	0.12 ± 0.11

Values are means ± SD

^*Different from All, p < 0.05

^†Different from Men, p < 0.01

Activities-Specific Balance Confidence Scale (ABC)

Timed-Up-and-Go (TUG)

Balance Tolerance Limit (BTL)

Self-Selected Gait Speed normalized to height (SS Gait Speed)

Head-Turn Gait Speed normalized to height (HT Gait Speed)

Difference between SS gait speed and HT gait speed normalized to SS Gait speed (DiffSpeed)