A. Multiple myeloma is a malignant, clonal disorder of plasma cells that originates in the bone marrow. Itâs a relatively common disorder, accounting for 1% of all malignancies and 10% of all hematologic malignancies in adults.
torsion, n 1. , motion or state of torque in which one end of an anatomical component is twisted about its longitudinal axis as the opposite end is either immobile or moves in the opposite direction.
A torsion test can be conducted on most materials to determine the torsional properties of the material. While they are not the same, they are analogous to properties that can be determined during a tensile test. In fact, the torque versus angle diagram looks very similar to a stress versus strain curve that might be generated by a tensile test.