Table 3.

Distance from the mid-acromion lateral border to the PHCA in this study and injection sites in a previous study.

This study	Males	Females
Distance from the mid-acromion lateral border to the PCHA (min – max)	7.6 ± 1.0 cm	6.2 ± 0.8 cm
	(5.5 – 9.0)	(5.1 – 7.7)
Quotation from ref. 14	Males	Females
Distance from the mid-acromion to 1 to 3 finger breadths/5 cm from the mid-acromion	1 to 5 cm	1 to 5 cm
Distance from the mid-acromion to a triangle 5.0 cm below the acromion	6.5 to 8.0 cm	6.5 to 7.2 cm
Distance from the mid-acromion to middle third of the muscle	Upper: 4.5 to 5.6 cm	Upper: 3.7 to 4.8 cm
	Lower: 9.0 to 11.2 cm	Lower: 7.4 to 9.6 cm
Distance from the mid-acromion to the midpoint of the muscle	6.8 to 8.5 cm	5.5 to 7.3 cm