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. 2024 Jun 6;35(1):139–147. doi: 10.1055/s-0044-1787667

Fig. 6.

Fig. 6

Sagittal magnetic resonance imaging (Y view) showing “tangent sign” for supraspinatus fatty atrophy; note that normal muscle ( A ) crosses the tangent, whereas atrophic muscle ( B ) does not cross it.