Assertion: adult spine | /r/Desires | minimal workload
Facets:
value: on the muscles
type: OTHER
value: to maintain an upright posture
type: PURPOSE
Source sentences:
text: The normal adult spine is balanced over the pelvis, requiring minimal workload on the muscles to maintain an upright posture.
text: The normal adult spine is balanced over the pelvis, requiring minimal workload on the muscles to maintain an upright posture.