Table 3. Back foot maximal and average insole regional pressures (R1-R9) during golf swing performance with a driver, and also at ball impact.

Shoe	Insole regional pressures (kPa)
	R1	R2	R3	R4	R5	R6	R7	R8	R9
Maximal
Metal	39.7	66.0	16.4 *	51.6	7.75	67.8 *	65.4	70.5	78.7
Alternative	38.6	66.6	13.9	49.7	6.0 *	56.3 * †	67.0	77.5 *	77.4
Flat	34.9	66.2	12.2 *	55.3	8.4 *	67.1 †	69.6	66.1 *	82.7
Average
Metal	23.5	35.3	11.6	33.6	3.3	46.9	31.7	34.4	43.1
Alternative	23.7	35.6	10.3	33.3	3.3	39.3	33.5	36.6	43.4
Flat	22.1	35.5	7.6	37.0	3.27	45.5	33.4	30.7	45.7
Ball Impact
Metal	16.0	21.7 *	3.76	18.7 *	1.79	26.2	27.8	32.4 * †  #	42.7
Alternative	15.4	23.2	3.95	21.6	1.92	26.3	28.9	35.2 *	41.1
Flat	15.5	27.5 *	3.18	24.1 *	1.79	25.7	27.2	29.7†  #	43.8

* and †  and # indicate significant difference between shoes within region p < 0.05.