Search Results - "Heller, M O"

On intrinsic equivalences of the finite helical axis, the instantaneous helical axis, and the SARA approach. A mathematical perspective by Ehrig, R.M., Heller, M.O.

“…Accurate determination of joint axes is essential for understanding musculoskeletal function. Whilst numerous algorithms to compute such axes exist, the…”
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OpenHands: An Open-Source Statistical Shape Model of the Finger Bones by Munyebvu, T. A., Metcalf, C. D., Burson-Thomas, C. B., Warwick, D., Everitt, C., King, L., Darekar, A., Browne, M., Heller, M. O. W., Dickinson, A. S.

“…This paper presents statistical shape models of the four fingers of the hand, with an emphasis on anatomic analysis of the proximal and distal interphalangeal…”
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On the 3D Nature of the Magpie (Aves: Pica pica) Functional Hindlimb Anatomy During the Take-Off Jump by Meilak, E. A., Gostling, N. J., Palmer, C., Heller, M. O.

“…Take-off is a critical phase of flight, and many birds jump to take to the air. Although the actuation of the hindlimb in terrestrial birds is not limited to…”
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Determination of muscle loading at the hip joint for use in pre-clinical testing by Heller, M.O., Bergmann, G., Kassi, J.-P., Claes, L., Haas, N.P., Duda, G.N.

“…The stability of joint endoprostheses depends on the loading conditions to which the implant-bone complex is exposed. Due to a lack of appropriate muscle force…”
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Musculo-skeletal loading conditions at the hip during walking and stair climbing by Heller, M.O, Bergmann, G, Deuretzbacher, G, Dürselen, L, Pohl, M, Claes, L, Haas, N.P, Duda, G.N

“…Musculo-skeletal loading plays an important role in the primary stability of joint replacements and in the biological processes involved in fracture healing…”
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The quality of bone surfaces may govern the use of model based fluoroscopy in the determination of joint laxity by Moewis, P, Wolterbeek, N, Diederichs, G, Valstar, E, Heller, M.O, Taylor, W.R

“…Abstract The assessment of knee joint laxity is clinically important but its quantification remains elusive. Calibrated, low dosage fluoroscopy, combined with…”
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Repeatability and reproducibility of OSSCA, a functional approach for assessing the kinematics of the lower limb by Taylor, W.R, Kornaropoulos, E.I, Duda, G.N, Kratzenstein, S, Ehrig, R.M, Arampatzis, A, Heller, M.O

“…Abstract Marker-based gait analysis of the lower limb that uses assumptions of generic anatomical morphology can be susceptible to errors, particularly in…”
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Effective marker placement for functional identification of the centre of rotation at the hip by Kratzenstein, S, Kornaropoulos, E.I, Ehrig, R.M, Heller, M.O, Pöpplau, B.M, Taylor, W.R

“…Highlights ► Assessment of thigh marker positions to find optimal cluster for CoR determination. ► Functional CoR determination using SCoRE and wOCST: in vivo…”
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Towards understanding knee joint laxity: Errors in non-invasive assessment of joint rotation can be corrected by Moewis, P, Boeth, H, Heller, M.O, Yntema, C, Jung, T, Doyscher, R, Ehrig, R.M, Zhong, Y, Taylor, W.R

“…Abstract The in vivo quantification of rotational laxity of the knee joint is of importance for monitoring changes in joint stability or the outcome of…”
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Kinematic measures for assessing gait stability in elderly individuals: a systematic review by Hamacher, D., Singh, N.B., Van Dieën, J.H., Heller, M.O., Taylor, W.R.

“…Falls not only present a considerable health threat, but the resulting treatment and loss of working days also place a heavy economic burden on society. Gait…”
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Comparison of unreamed nailing and external fixation of tibial diastases––mechanical conditions during healing and biological outcome by Klein, P, Opitz, M, Schell, H, Taylor, W.R, Heller, M.O, Kassi, J.-P, Kandziora, F, Duda, G.N

“…Locked intramedullary nailing and external fixation are alternatives for the stabilization of tibial shaft fractures. The goal of this study was to determine…”
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High prevalence of acetabular retroversion in asymptomatic adults: a 3D CT-based study by Wassilew, G I, Heller, M O, Janz, V, Perka, C, Müller, M, Renner, L

“…This study sought to establish the prevalence of the cross over sign (COS) and posterior wall sign (PWS) in relation to the anterior pelvic plane (APP) in an…”
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Realistic loads for testing hip implants by Bergmann, G, Graichen, F, Rohlmann, A, Bender, A, Heinlein, B, Duda, G N, Heller, M O, Morlock, M M

“…The aim here was to define realistic load conditions for hip implants, based on in vivo contact force measurements, and to see whether current ISO standards…”
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Ultrasound-based computer navigation: an accurate measurement tool for determining combined anteversion? by Wassilew, G I, Janz, V, Heller, M O, König, C, Perka, C, Südhoff, I, Seeger, J B, Hasart, O

“…The present feasibility study examined the use of an ultrasound-based navigation system (UNS) for reliability of measurement the positions of both the femoral…”
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Cementless stem fixation and primary stability under physiological-like loads in vitro by Heller, M O, Kassi, J P, Perka, C, Duda, G N

“…Primary stability and in consequence osteointegration are commonly related to the stem anchorage but also to the complex musculoskeletal loading of the hip…”
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A new model to predict in vivo human knee kinematics under physiological-like muscle activation by Heller, M.O, König, C, Graichen, H, Hinterwimmer, S, Ehrig, R.M, Duda, G.N, Taylor, W.R

“…Abstract Although a number of approaches have attempted to model knee kinematics, rarely have they been validated against in vivo data in a larger subject…”
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Influence of femoral anteversion on proximal femoral loading: measurement and simulation in four patients by Heller, Markus O., Bergmann, Georg, Deuretzbacher, Georg, Claes, Lutz, Haas, Norbert P., Duda, Georg N.

“…Objective. The aim of this study was to determine the loading of the proximal femur during daily activities and to quantify the influence of femoral…”
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On the biomechanics of the hip: relevance of femoral anteversion for hip contact force and loading using a short-stemmed prostheses by Tohtz, S W, Heller, M O, Taylor, W R, Perka, C, Duda, G N

“…Short-stemmed hip implants were established in total hip arthroplasty in the last years. Also patients with secondary osteoarthritis of the hip with…”
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Musculoskeletal load analysis. A biomechanical explanation for clinical results--and more? by Heller, M O, Schröder, J H, Matziolis, G, Sharenkov, A, Taylor, W R, Perka, C, Duda, G N

“…Mechanical loading of the lower extremities due to muscle and joint contact forces plays an important role in orthopaedic and trauma surgery. Detailed, patient…”
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High prevalence of acetabular retroversionin asymptomatic adults: a 3D CT-based study by Wassilew, G I, Heller, M O, Janz, V, Perka, C, Müller, M, Renner, L

“…AimsThis study sought to establish the prevalence of the cross oversign (COS) and posterior wall sign (PWS) in relation to the anteriorpelvic plane (APP) in an…”
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