Since muscles hold the skeletal system in place, weak and out of shape muscles poorly align the body as the bones shift from natural, supportive positions.
(muscles; hold; the skeletal system; L:in place, weak and out of shape) (muscles; poorly align; the body; T:as the bones shift from natural, supportive positions) (the bones; shift; from natural, supportive positions)
muscles muscles the bones
hold poorly align shift
the skeletal system L:in place, weak and out of shape
the body T:as the bones shift from natural, supportive positions
from natural, supportive positions