• 1
    Muthupillai R, Lomas DJ, Rossman PJ, Greenleaf JF, Manduca A, Ehman RL. Magnetic resonance elastography by direct visualization of propagating acoustic strain waves. Science 1995; 269: 18541857.
  • 2
    Plewes DB, Betty I, Urchuk SN, Soutar I. Visualizing tissue compliance with MR imaging. J Magn Reson Imaging 1995; 5: 733738.
  • 3
    Muthupillai R, Rossman PJ, Lomas DJ, Greenleaf JF, Riederer SJ, Ehman RL. Magnetic resonance imaging of transverse acoustic strain waves. Magn Reson Med 1996; 36: 266274.
  • 4
    Lewa CJ, De Certaines JD. Viscoelastic property detection by elastic displacement NMR measurements. J Magn Reson Imaging 1996; 6: 652656.
  • 5
    Van Houten EE, Paulsen KD, Miga MI, Kennedy FE, Weaver JB. An overlapping subzone technique for MR-based elastic property reconstruction. Magn Reson Med 1999; 42: 779786.
  • 6
    Sinkus R, Lorenzen J, Schrader D, Lorenzen M, Dargatz M, Holz D. High-resolution tensor MR elastography for breast tumour detection. Phys Med Biol 2000; 45: 16491664.
  • 7
    Oliphant TE, Manduca A, Ehman RL, Greenleaf JF. Complex-valued stiffness reconstruction for magnetic resonance elastography by algebraic inversion of the differential equation. Magn Reson Med 2001; 45: 299310.
  • 8
    Braun J, Buntkowsky G, Bernarding J, Tolxdorff T, Sack I. Simulation and analysis of magnetic resonance elastography wave images using coupled harmonic oscillators and Gaussian local frequency estimation. Magn Reson Imaging 2001; 19: 703713.
  • 9
    Manduca A, Lake DS, Kruse SA, Ehman RL. Spatio-temporal directional filtering for improved inversion of MR elastography images. Med Image Anal 2003; 7: 465473.
  • 10
    Kruse SA, Smith JA, Lawrence AJ, Dresner MA, Manduca A, Greenleaf JF, Ehman RL. Tissue characterization using magnetic resonance elastography: preliminary results. Phys Med Biol 2000; 45: 15791590.
  • 11
    Sack I, Bernarding J, Braun J. Analysis of wave patterns in MR elastography of skeletal muscle using coupled harmonic oscillator simulations. Magn Reson Imaging 2002; 20: 95104.
  • 12
    Gennisson JL, Catheline S, Chaffai S, Fink M. Transient elastography in anisotropic medium: application to the measurement of slow and fast shear wave speeds in muscles. J Acoust Soc Am 2003; 114: 536541.
  • 13
    Fedorov FI. Theory of elastic waves in crystals. New York: Plenum; 1968.
  • 14
    Musgrave MJP. Crystal acoustics. San Francisco: Holden-Day; 1970.
  • 15
    Sjogaard G, Saltin B. Extra- and intracellular water spaces in muscles of man at rest and with dynamic exercise. Am J Physiol 1982; 243: R271R280.
  • 16
    Fleckenstein JL, Canby RC, Parkey RW, Peshock RM. Acute effects of exercise on MR imaging of skeletal muscle in normal volunteers. AJR Am J Roentgenol 1988; 151: 231237.
  • 17
    Saab G, Thompson RT, Marsh GD. Effects of exercise on muscle transverse relaxation determined by MR imaging and in vivo relaxometry. J Appl Physiol 2000; 88: 226233.
  • 18
    Takeda Y, Kashiwaguchi S, Endo K, Matsuura T, Sasa T. The most effective exercise for strengthening the supraspinatus muscle: evaluation by magnetic resonance imaging. Am J Sports Med 2002; 30: 374381.
  • 19
    Rump J, Braun J, Papazoglou S, Taupitz M, Sack I. Alterations of the proton-T(2) time in relaxed skeletal muscle induced by passive extremity flexions. J Magn Reson Imaging 2006; 23: 541546.
  • 20
    Dresner MA, Rose GH, Rossman PJ, Muthupillai R, Manduca A, Ehman RL. Magnetic resonance elastography of skeletal muscle. J Magn Reson Imaging 2001; 13: 269276.
  • 21
    Jenkyn TR, Ehman RL, An KN. Noninvasive muscle tension measurement using the novel technique of magnetic resonance elastography (MRE). J Biomech 2003; 36: 19171921.
  • 22
    Heers G, Jenkyn T, Dresner MA, Klein MO, Basford JR, Kaufman KR, Ehman RL, An KN. Measurement of muscle activity with magnetic resonance elastography. Clin Biomech (Bristol, Avon) 2003; 18: 537542.
  • 23
    Uffmann K, Maderwald S, Ajaj W, Galban CG, Mateiescu S, Quick HH, Ladd ME. In vivo elasticity measurements of extremity skeletal muscle with MR elastography. NMR Biomed 2004; 17: 181190.
  • 24
    Papazoglou S, Braun J, Hamhaber U, Sack I. Two-dimensional waveform analysis in MR elastography of skeletal muscles. Phys Med Biol 2005; 50: 13131325.
  • 25
    Galban CJ, Maderwald S, Herrmann BL, Brauck K, Grote W, de Greiff A, Uffmann K, Ladd ME. Measuring skeletal muscle elasticity in patients with hypogonadism by MR elastography. In: Proceedings of the 13th Annual Meeting of ISMRM, Miami Beach, FL, USA, 2005. p 2016.
  • 26
    Galban CJ, Maderwald S, Eggebrecht H, Grote W, de Greiff A, Uffmann K, Ladd ME. Monitoring the effects of chronic obstructive pulmonary disease on muscle elasticity by MR elastography. In: Proceedings of the 13th Annual Meeting of ISMRM, Miami Beach, FL, USA, 2005. p 2015.
  • 27
    Sack I, Samani A, Plewes DB, Braun J. Simulation of in vivo MR elastography wave patterns of skeletal muscles using a transverse isotropic elasticity model. In: Proceedings of the 11th Annual Meeting of ISMRM, Toronto, Canada, 2003. p 587.
  • 28
    Every AG, Sachse W. Determination of the elastic constants of anisotropic solids from acoustic-wave group-velocity measurements. Phys Rev B Condens Matter 1990; 42: 81968205.
  • 29
    Landau LD, Lifschitz EM. Theory of elasticity. Oxford: Pergamon Press; 1986.
  • 30
    Sinkus R, Tanter M, Catheline S, Lorenzen J, Kuhl C, Sondermann E, Fink M. Imaging anisotropic and viscous properties of breast tissue by magnetic resonance-elastography. Magn Reson Med 2005; 53: 372387.
  • 31
    Sandrin L, Cassereau D, Fink M. The role of the coupling term in transient elastography. J Acoust Soc Am 2004; 115: 7383.
  • 32
    Rump J, Klatt D, Warmuth C, Braun J, Hamhaber U, Papazoglou S, Sack I. Synchronisation of shear vibrations and balanced steady state free precession in MR elastography (SSFP-MRE). In: Proceedings of the 13th Annual Meeting of ISMRM, Miami Beach, FL, USA, 2005. p 2384.
  • 33
    Braun J, Braun K, Sack I. Electromagnetic actuator for generating variably oriented shear waves in MR elastography. Magn Reson Med 2003; 50: 220222.
  • 34
    Bernstein MA, King KF, Zhou XJ. Handbook of MRI pulse sequences. Burlington: Elsevier Academic Press; 2004.
  • 35
    Kovesi P. Phase congruency: a low-level image invariant. Psychol Res 2000; 64: 136148.
  • 36
    Bensamoun SF, Ringleb S, Chen Q, Hulshizer T, Rossman P, Ehman RL, An KN. Preliminary database of thigh muscle stiffness using magnetic resonance elastography. In: Proceedings of the 13th Annual Meeting of ISMRM, Miami Beach, FL, USA, 2005. p 2013.
  • 37
    Gennisson JL, Cornu C, Catheline S, Fink M, Portero P. Human muscle hardness assessment during incremental isometric contraction using transient elastography. J Biomech 2005; 38: 15431550.
  • 38
    Oida T, Kang Y, Azuma T, Okamoto J, Amano A, Axel L, Takizawa O, Tsutsumi S, Matsuda T. The measurement of anisotropic elasticity in skeletal muscle using MR elastography. In: Proceedings of the 13th Annual Meeting of ISMRM, Miami Beach, FL, USA, 2005. p 2020.
  • 39
    Barbone PE, Gokhale NH. Elastic modulus imaging: on the uniqueness and nonuniqueness of the elastography inverse problem in two dimensions. Inverse Probl 2004; 20: 283296.