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Fig. 3 | Journal of NeuroEngineering and Rehabilitation

Fig. 3

From: Quantitative description of upper extremity function and activity of people with spinal muscular atrophy

Fig. 3

Normalized sEMG amplitudes. Normalized sEMG amplitudes of the Trapezius, Biceps Brachii, Triceps Brachii, Deltoid, and forearm extensor muscles for 3 different upper extremity movements shown for different disease categories. A: drinking from a glass filled with 200 g; B: moving a 100 g weight over the tabletop; C: tracing a path with a pencil. Note: Drinking from a glass filled with 200 g could not be performed by the participants in category 3

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