Fig. 5From: Reliability and diagnostic accuracy of corrected slack angle derived from 2D-SWE in quantitating muscle spasticity of stroke patientsa Correlation between slack angle and MAS score in stroke patients. Two points were overlapped at 5° for MAS 1 and at − 1.5° for MAS 1+. b Correlation between corrected slack angle and MAS scores in stroke patients. Two points were overlapped at 5° for MAS 1+Back to article page