Table 5.

Extreme percentage values of the mean strain $\overline{\epsilon }\%$ in both extension and compression during tasks performed in the scapular plane.

	$\mathbf{Scapular}\mathbf{Plane}\text{—}\overline{\mathit{\epsilon }}\%\mathbf{Extreme}\mathbf{Values}$
	Elevation 90°		Max Elevation
	Pair of Markers	$\overline{\mathit{\epsilon }}\mathit{\%}$	Pair of Markers	$\overline{\mathit{\epsilon }}\mathit{\%}$
Extension	19–20	40.89	19–20	48.20
	18–20	31.69	25–29	39.52
	20–23AI	27.84	20–24	37.93
	20–24	27.03	25–28	35.34
	25–29	26.15	18–20	35.13
Compression	15–20	−14.91	3–5AA	−24.54
	4–5AA	−13.35	2–5AA	−24.45
	3–5AA	−13.08	1–5AA	−24.04
	2–5AA	−12.00	4–5AA	−21.43
	1–5AA	−11.57	5AA-6	−18.16

AI: Angulus Inferior; AA: Angulus Acromialis.