- Posterior torso
- On scapula bone
- At centre of infraspinous fossa of the scapula
marking up: draw line btwn SI 9 + 10, find 1
way. draw line to medial border of scapula (prominence). 1/2way btwn that and line between SI9+10 = most lateral possiblity. Draw equilateral triangle from SI9/10 to horizontal line above = most medial possibilty. Palpate btwn the 2 marks.