Figure 2 | Scientific Reports

Figure 2

From: Double obstacles increase gait asymmetry during obstacle crossing in people with Parkinson’s disease and healthy older adults: A pilot study

Figure 2

Illustration of the experimental environment. Black feet (upper figure) means the steps considered for analysis. Participants performed three trials for each limb as the leading limb. 1 - Obstacle position in Single condition and Double condition (First obstacle); 2 - Second obstacle positioned at 50 cm from the first obstacle; 3 - Second obstacle positioned at 108 cm from the first obstacle; (a) Trail horizontal distance before obstacle; (b) Lead horizontal distance before obstacle; (c) Toe clearance.

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