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Ultraschallstudie mit der Universität Innsbruck

Mit einer Seminararbeit zum Thema Rückenschmerz gingen zwei junge Sportstudenten (Thomas Cejna und Giulia Dalri), der Universität Innsbruck, der Frage nach, inwiefern eine schwache Bauchmuskulatur mit Rückenschmerzen zu tun hat. Eine Möglichkeit die Bauchmuskulatur standardisiert zu testen ist der diagnostische Ultraschall, sowie er täglich in der Physiotherapiepraxis von Johannes Riedmann genutzt wird. Ein Auszug der Studie finden sie anbei. Der Volltext kann auf dieser Seite angefordert werden.

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Transversus Abdominis Thickness of Young Elite Gymnasts and its Possible Repercussion on Low Back Pain

Course Lecturer: Mag. Dr. Dr. Martin Burtscher,Mag. Verena Menz
Ultrasound Measurement: Riedmann Johannes
Assistance: Bohle Hanno

[Study Design] A between-groups design has been chosen for this study. [Objective] Investigated were possible differences in the thickness of the TrA during volitional contraction, automatic contraction and at rest. Additionally, possible differences between the sexes were analyzed. [Background] Low back pain (LBP) is a major public health disorder in developed nations with a life-time prevalence of approximately 70-80%. The increase of strength and recruitment of the deeper abdominal and lumbar spine muscles, such as the transversus abdominis (TrA), is linked to have a positive effect on low back pain patients. An altered state of motor control function and thickness of the Transversus Abdominis seems to correlate with LBP. [Methods and Measures] In the course of two sessions, the TrA thickness of 30 gymnasts (m: 15, f: 15) aged 8-16 were analyzed via Ultrasound (Mindray DP 50-PT), using a 50 MHZ linear transducer. [Results] There was no significant difference of the TrA at rest (0.32 vs. 0.33), under volitional contraction (0,48 vs. 0,41) and under automatic activation (0.35 vs. 0.45). However, males had a significantly (P<0.05) thicker TrA under volitional contraction (0,49* vs. 0,35*), whereas females showed a significantly thicker TrA (P=0.01) when automatically contracting it (0,54* vs. 0,32*). [Conclusion] Present findings indicate no differences between LBP and non-LBP adolescent elite gymnasts with regards to the thickness of their TrA. Nevertheless, female gymnasts seem to have less LBP and a superior automatic contraction of the TrA in comparison to their male counterparts. Thus, specific lumbar stabilization exercises ought to focus on implementing movement patterns that elicit and enhance automatic activation of the stabilizing trunk musculature. Results Measurements with ultrasound machine took place on the 5th and on the 10th of December 2015 in a sport centre in Dornbirn. The subjects were 15 male and 15 female gymnasts from the Voralberger Turnerschaft Dorbirn (VTS). They were aged between 9 and 16 years and all of them train in the VTS in Dornbirn. All participants train more than four times per week and every training session lasts for approximately three hours. Demographic and baseline data of the participants are provided in Table 1. None of the participants was taking medication leading up to or at the moment of the measurements and nobody was under medical treatment. More than the half (56%) of the participants who do not suffer from back pain are female, while 44% are male. 80% of the gymnasts with back pain are male, 20% are female. Baseline characteristics of gymnasts with and without back pain are reported in Table 2. Gymnasts with back pain show a tendency to suffer in the lumbar region of the vertebral spine (M=1), the pain is light (M=2) and it lasts for 6-12 weeks (M=1). There is no significant difference (P>0.05) between 8 to 16-year-old gymnasts with and without back pain in the thickness of the transversus abdominis muscle at rest (0.32:0.1 vs. 0.33:0.06), under volitional contraction (0,48:0,2 vs. 0,41:0,1) and under automatic activation (0.35:0.1 vs. 0.45:0.2).

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