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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: Vibrotactile somatosensory stimulus to assist the transition from level walking to stair ascent in the elderly: a pilot study

Fig. 4

Profiles of lower-limb joints in both groups during transition from level walking to stair ascent. A Hip joint angle; B Knee joint angle; C Ankle joint angle; D Hip joint moment; E Knee joint moment; F Ankle joint moment; G Hip joint power; H Knee joint power; I Ankle joint power; J Support moment; For the joint angle, (+) indicates joint flexion and (−) indicates joint extension; For the joint moment, (+) indicates joint flexor moment and (−) indicates joint extensor moment; For the support moment, (+) indicates sum of extensor moments of the lower-limb joints; HA: Hip joint angle; KA: Knee joint angle; AA: Ankle joint angle; HM: Hip joint moment; KM: Knee joint Moment; AM: Ankle joint moment; HP: Hip joint power; KP: Knee joint power; AP: Ankle joint power; SM: Support moment

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