Multiparametric MRI and Computational Modelling in the Assessment of Human Articular Cartilage Properties: A Comprehensive Approach

Table 1

Detailed acquisition parameters of MR sequences.

Sequence (Type)	Sequence parameters
(inversion recovery)	Repetition time, 3000 ms; turbo spin-echo factor, 5; inversion time, 150, 300, 500, 800, 1000, 1300, and 1500 ms; field of view, 42.0 × 27.3 mm; acquisition matrix, 160 × 154; reconstruction matrix, 224 × 224; flip angle, 90°; section thickness, 2 mm; number of signal averages, 1
(spin-lock multigradient echo)	Repetition time/echo time, 30 ms/4.2 ms; spin-lock durations, 0/10/20/30/40 ms; readout parameters: field of view, 42.0 × 27.3 mm; acquisition matrix, 160 × 98; reconstruction matrix, 224 × 224; flip angle, 11°; section thickness, 2 mm; number of signal averages, 4
(multigradient echo)	Repetition time, 300 ms; echo time, 3.9 ms + (–14); field of view, 42.0 × 27.3 mm; acquisition matrix, 160 × 162; reconstruction matrix, 224 × 224; flip angle, 38°; section thickness, 2 mm; number of signal averages, 6