Table 1.

Relative SAR vs Relative SNR for Various Flip-Angle Combinations According to Eqs. 1–2. Data was not collected for all flip-angle patterns

Flip angles	Rel. SAR	Rel. SNR (Bloch)	Rel. SNR (oil)	Rel. SNR (marrow)
180°→180°	1	0.84	0.61	0.76
180°→150°	0.84	0.84	0.61	0.76
180°→120°	0.71	0.84	0.61	0.75
180°→90°	0.59	0.84	0.62	0.75
180°→60°	0.49	0.83	0.62	0.75
180°→30°	0.41	0.78	0.58	0.72
150°→150°	0.69	0.84	.	.
120°→120°	0.44	0.81	.	.
90°→90°	0.25	0.72	.	.