Figure 3.

The stiffness measurement sites for the 3 muscles using myotonometer probe placement over the 3 posterior shoulder muscles. Posterior deltoid: two fingerbreadths caudad to posterior margin of the acromion; infraspinatus: two fingerbreadths below medial portion of spine of scapula; and teres minor: one-third of the way between acromion and inferior angle of scapula along lateral border.

Yang et al. BMC Musculoskeletal Disorders 2012 13:46   doi:10.1186/1471-2474-13-46
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