Contribution of inter-muscular synchronization in the modulation of tremor intensity in Parkinson’s disease

Table 2 Degrees of muscle synchronization determined by coherence analysis

PD Subject	Finger Muscles		Wrist Muscles			Elbow & Shoulder Muscles			Number of Synchronized Muscles
PD Subject	FDS	ED	FCR	ECR	FCU	Biceps	Triceps	DA	Number of Synchronized Muscles
P1	+	+	+	+		+	+		6
P2	+	+	+	+		+	+		6
P3	+	−			+	+	−	−	3
P4	+	+			+	+	+	−	5
P5	+	−			+	−	−	−	2
P6	+	+	+	+		+	+		6
P7	+	+			+	−	−	−	3
P8	+	−		+	+	+	−		4
P9	+	+	+	−		+	+		5
P10	+	−	+	+		−	−		3
P11	+	+	+	+		+	+		6

Recorded muscles of each PD subject are denoted by ‘+’ or ‘−’ signs
‘+’ sign indicates the corresponding muscle is synchronized with all other ‘+’ muscles
‘−’ sign indicates the corresponding muscle is not synchronized with all ‘+’ muscles

ISSN: 1743-0003