Assertion: shoulder's muscle | /r/CapableOf | move the arm
Facets:
Source sentences:
text: There are then a number of large muscles that attach to the shoulder blade and/or humerus to help move the arm.
text: The rotator cuffmuscles work together to help to “steer” your arm into place by keeping the base of the humerus in a stable position on the socket while the stronger and more powerful muscles (like the deltoids, lats, and pecs) move the arm.