Academic journal article Research Quarterly for Exercise and Sport

Intrasession Reliability of Lower Extremity Kinematics during Three Sloped Walking Conditions. (Motor Behavior)

Academic journal article Research Quarterly for Exercise and Sport

Intrasession Reliability of Lower Extremity Kinematics during Three Sloped Walking Conditions. (Motor Behavior)

Article excerpt

Examination of joint kinematics is useful tool to describe necessary postural adjustments needed while walking sloped surfaces of differing inclination. Further, older adults may use different postural adaptations for sloped walking than their younger counterparts. Before investigating age-related adaptation differences, reliability of kinematic measures has been obtained for both age groups. Healthy, older (n = 17, 65+ years) and younger (n = 18, range 18-25 years) adults performed four self-selected paced trials under three conditions: walking on level, 10[degrees] incline, and 100 decline. Three dimensional ankle, knee, and hip joint (flexion/extension) angles during two phases of gait, ground contact and ground off, were determined using an electromagnetic tracking device (Motion Monitor, 1ST, Inc, Chicago, IL). Separate ICC(2,1) analyses were conducted for each joint at ground contact and ground off, as well as for each age group. Reliability levels were similar for the two groups as well as the two phas es of gait, although ground contact was generally more reliable than ground off. …

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