title: Shear Modulus of the Lower Leg Muscles in Patients with Medial Tibial Stress Syndrome.
abstract: This study aimed to investigate the in vivo kinematics of shear modulus of the lower leg muscles in patients with medial tibial stress syndrome (MTSS). The study population included 46 limbs with MTSS and 40 healthy limbs. The shear modulus of the medial head of the gastrocnemius, lateral head of the gastrocnemius, soleus, peroneus longus and tibialis anterior muscles were measured using shear wave ultrasound elastography. As a result, the shear modulus of the lower leg muscles was significantly greater in patients with MTSS than in healthy patients (p < 0.01). Based on the differences in shear modulus of lower leg muscles between the patients with MTSS and healthy patients, the measurements obtained via shear wave ultrasound elastography could be used to evaluate risk factors of MTSS.
authors.affiliation: Department of Sports Science, Japan Institute of Sports Sciences, Tokyo, Japan. Electronic address: kei.akiyama@jpnsport.go.jp.
authors.forename: Kei
authors.initials: K
authors.lastname: Akiyama
authors.affiliation: College of Systems Engineering and Science, Shibaura Institute of Technology, Saitama, Japan.
authors.forename: Ryota
authors.initials: R
authors.lastname: Akagi
authors.affiliation: Faculty of Sport Sciences, Waseda University, Saitama, Japan.
authors.forename: Kuniaki
authors.initials: K
authors.lastname: Hirayama
authors.affiliation: Faculty of Sport Sciences, Waseda University, Saitama, Japan.
authors.forename: Norikazu
authors.initials: N
authors.lastname: Hirose
authors.affiliation: Department of Sports Science, Japan Institute of Sports Sciences, Tokyo, Japan.
authors.forename: Hideyuki
authors.initials: H
authors.lastname: Takahashi
authors.affiliation: Faculty of Sport Sciences, Waseda University, Saitama, Japan.
authors.forename: Toru
authors.initials: T
authors.lastname: Fukubayshi
mesh_terms: D000328:Adult; D001696:Biomechanical Phenomena; D055119:Elastic Modulus / Q000502:physiology*; D054459:Elasticity Imaging Techniques / Q000379:methods*; D006801:Humans; D007866:Leg / Q000000981:diagnostic imaging; D008297:Male; D058923:Medial Tibial Stress Syndrome / Q000000981:diagnostic imaging* / Q000503:physiopathology*; D018482:Muscle, Skeletal / Q000000981:diagnostic imaging* / Q000503:physiopathology*; D055815:Young Adult
keywords: Ankle dorsiflexion; Athletes; Injury; Medial tibial stress syndrome; Shear wave ultrasound elastography