Search Results

You are looking at 11 - 20 of 31 items for :

  • "elastography" x
  • All content x
Clear All
Restricted access

Ryota Akagi, Tomofumi Shikiba, Jun Tanaka, and Hideyuki Takahashi

We investigated the effect of a 6-week resistance training program on the shear modulus of the triceps brachii (TB). Twentythree young men were randomly assigned to either the training (n = 13) or control group (n = 10). Before and after conducting the resistance training program, the shear modulus of the long head of the TB was measured at the point 70% along the length of the upper arm from the acromial process of the scapula to the lateral epicondyle of the humerus using shear wave ultrasound elastography. Muscle thickness of the long head of the TB was also determined at the same site by ultrasonography used during both tests. A resistance exercise was performed 3 days a week for 6 weeks using a dumbbell mass-adjusted to 80% of the 1-repetition maximum (1RM). The training effect on the muscle thickness and 1RM was significant. Nevertheless, the muscle shear modulus was not significantly changed after the training program. From the perspective of muscle mechanical properties, the present results indicate that significant adaptation must occur to make the TB more resistant to subsequent damaging bouts during the 6-week training program to target the TB.

Restricted access

Feasibility of Using Magnetic Resonance Elastography to Study the Effect of Aging on Shear Modulus of Skeletal Muscle Zachary J. Domire * Matthew B. McCullough * Qingshan Chen * Kai-Nan An * 2 2009 25 1 93 97 10.1123/jab.25.1.93 jab Journal of Applied Biomechanics 1065-8483 1543-2688 2009 25 1 10

Restricted access

Akane Yoshimura, Robert Schleip, and Norikazu Hirose

validity of this measurement method have been reported. 22 , 23 Tissue properties, including tissue stiffness or hardness, can be evaluated by various types of ultrasound elastography functions. Shear wave elastography generates remote mechanical vibration from a transducer toward targeted tissues and

Restricted access

-0253 Application of Acoustic Radiation Force Impulse Elastography in Imaging of Delayed Onset Muscle Soreness: A Comparative Analysis With 3T MRI Thilo Hotfiel * Marion Kellermann * Bernd Swoboda * Dane Wildner * Tobias Golditz * Casper Grim * Martin Raithel * Michael Uder * Rafael Heiss * 1 07

Restricted access

Xiyao Shan, Pavlos Evangelidis, Takaki Yamagishi, Shun Otsuka, Fumiko Tanaka, Shigenobu Shibata, and Yasuo Kawakami

and analysis of the International Physical Activity Questionnaire. In addition, the body fat was measured using bioelectrical impedance analyzer (InBody 770, InBody, Seoul, South Korea). Elastography Measurements The participants lay prone on an examination table with their feet off the edge of the

Restricted access

Alif Laila Tisha, Ashley Allison Armstrong, Amy Wagoner Johnson, and Citlali López-Ortiz

. In this case, the passive knee extension could have activated the stretch reflex, thus biasing the stiffness measurements. By contrast, Lee et al 14 used shear wave ultrasound elastography to evaluate passive stiffness of the medial gastrocnemius and tibialis muscles. The shear wave ultrasound

Restricted access

Motion and Elasticity of the Coracohumeral Ligament Evaluated With Shear-Wave Elastography Kenji Kanazawa * Yoshihiro Hagiwara * Takuya Sekiguchi * Ryo Fujita * Kazuaki Suzuki * Masashi Koide * Akira Ando * Yutaka Yabe * 24 01 2020 1 01 2021 30 1 9 15 10.1123/jsr.2019-0279 jsr.2019

Restricted access

Michelle A. Sandrey

angle meter. Posterior shoulder muscle stiffness was assessed using ultrasonic shear wave elastography (2–10 MHz) at baseline and after 4 weeks of intervention in two sitting positions with the shoulder and elbow at different angles. Intervention Subjects were randomly assigned to one of two groups. One

Restricted access

Marion Kellermann, Christoph Lutter, and Thilo Hotfiel

. PubMed ID: 11868072 doi:10.1007/s00330-001-1164-6 11868072 10.1007/s00330-001-1164-6 15. Fischer C , Krammer D , Hug A , et al . Dynamic contrast-enhanced ultrasound and elastography assess deltoid muscle integrity after reverse shoulder arthroplasty . J Shoulder Elbow Surg . 2017 ; 26 ( 1

Restricted access

Laura C. Slane, Stijn Bogaerts, Darryl G. Thelen, and Lennart Scheys

. Clin Biomech . 2006 ; 21 ( 7 ): 748 – 754 . PubMed doi:10.1016/j.clinbiomech.2006.03.004 10.1016/j.clinbiomech.2006.03.004 15. Chernak LA , Thelen DG . Tendon motion and strain patterns evaluated with two-dimensional ultrasound elastography . J Biomech . 2012 ; 45 ( 15 ): 2618 – 2623 . PubMed