Oblique pectoral crease and "scapular hump" in shoulder contour are signs of trapezius muscle weakness.
Nelson
K R
KR
Bicknell
J M
JM
D006801:Humans; D008297:Male; D008875:Middle Aged; D009129:Muscle Tonus; D009132:Muscles / Q000473:pathology*; D010369:Pectoralis Muscles / Q000473:pathology*; D012540:Scapula / Q000502:physiology*