Assertion: finger's joint | /r/HasProperty | elucidated by cine mri
Facets:
value: recently
type: TEMPORAL
Source sentences:
text: The physical mechanism behind the popping or cracking sound heard when cracking joints such as knuckles has recently been elucidated by cine MRI to be caused by tribonucleation as a gas bubble forms in the synovial fluid that bathes the joint.