Table-II.

Tests between subjects and variables.

Dependent Variables	Source	Sum of square	df	Mean Square	F	Sig.
CPP	Exercise	215.7	2	107.86	71.99	P<0.001
	Morphine	478.77	3	159.59	106.5	P<0.001
	Interaction of morphine and exercise	858.69	6	143.115	95.52	P<0.001
Withdrawal	Exercise	22.34	2	11.17	1.75	P= 0.21
	Morphine	57.87	3	19.29	3.03	P=0.07
	Interaction of morphine and exercise	37.93	6	6.32	0.99	P=0.47
BDNF	Exercise	25.57	2	12.78	26.30	P<0.001
	Morphine	61.81	3	20.60	42.38	P<0.001
	Interaction of morphine and exercise	41.36	6	6.89	14.18	P<0.001
TrKB	Exercise	4.52	2	2.26	26.61	P<0.001
	Morphine	8.47	3	2.82	33.22	P<0.001
	Interaction of morphine and exercise	8.14	6	1.35	15.96	P<0.001