The stiff elbow: How I do it

Søjbjerg, Jens Ole

doi:10.3109/17453679608997771

Cited by 109 publications

(27 citation statements)

References 19 publications

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“…Elbow motion is fundamental for positioning the hand in space since it determines how far the hand can reach [30]. It has been estimated that a 50% reduction in elbow motion could reduce upper extremity function by almost 80% [31]. Given those, we developed an NMS model to analyze individual muscle force during elbow flexion and extension.…”

Section: Discussionmentioning

confidence: 99%

A Pilot Study of Individual Muscle Force Prediction during Elbow Flexion and Extension in the Neurorehabilitation Field

Hou

Sun

et al. 2016

Sensors

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This paper proposes a neuromusculoskeletal (NMS) model to predict individual muscle force during elbow flexion and extension. Four male subjects were asked to do voluntary elbow flexion and extension. An inertial sensor and surface electromyography (sEMG) sensors were attached to subject's forearm. Joint angle calculated by fusion of acceleration and angular rate using an extended Kalman filter (EKF) and muscle activations obtained from the sEMG signals were taken as the inputs of the proposed NMS model to determine individual muscle force. The result shows that our NMS model can predict individual muscle force accurately, with the ability to reflect subject-specific joint dynamics and neural control solutions. Our method incorporates sEMG and motion data, making it possible to get a deeper understanding of neurological, physiological, and anatomical characteristics of human dynamic movement. We demonstrate the potential of the proposed NMS model for evaluating the function of upper limb movements in the field of neurorehabilitation.

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Section: Discussionmentioning

confidence: 99%

A Pilot Study of Individual Muscle Force Prediction during Elbow Flexion and Extension in the Neurorehabilitation Field

Hou

Sun

et al. 2016

Sensors

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“…5 % nach Trauma oder einem chirurgischen Eingriff auf [18]. Die Ellenbogensteife wurde 1996 von Søjbjerg et al als Streckdefizit über 30°oder einer Beugung unter 120°definiert [24]. Morrey definierte außerdem einen funktionellen Bogen von 100°, der für eine Ausübung der meisten alltäglichen Tätigkeiten ausreichen soll [15].…”

Section: Das Gesunde Ellenbogengelenk Hat Einunclassified

Steifer posttraumatischer Ellenbogen

Rausch

Glinski

Königshausen

et al. 2017

Trauma Berufskrankh

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“…The final outcome in patients with complex elbow injuries is largely dependent on the extent of the initial injury [1]. Soft tissue defects less than 40 cm 2 are associated with the greatest return of motion [2].…”

Section: Introductionmentioning

confidence: 99%

Use of the Fix and Flap Approach to Complex Open Elbow Injury: The Role of the Free Anterolateral Thigh Flap

et al. 2012

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BackgroundComplex elbow injuries with associated nerve, muscle, or joint injury commonly develop post-inury stiffness. In order to preserve function, joint congruency, elbow stability and durable wound coverage must be achieved in a timely manner.MethodsA retrospective review of patients who underwent orthopaedic fixation followed by free anterolateral thigh (ALT) flap soft tissue coverage was performed. Five patients were identified and included in this study.ResultsWe present a series of 5 cases managed with this principle. Soft tissue defects ranged in size from 4×9 cm (36 cm2) to 15×30 cm (450 cm2) and were located either posteriorly (n=4) or anteriorly (n=1). Associated injuries included open fractures (n=3) and motor nerve transection (n=2). Wound coverage was achieved in a mean duration of 18.8 days (range, 11 to 42 day). There were no flap failures and no major complications. The mean postoperative active elbow motion was 102° (range, 45° to 140°).ConclusionsIn our small series we have highlighted the safety and utility of using the free ALT flap in complex elbow injuries. The ALT flap has many advantages which include abundant skin and subcutaneous tissue; vascularised vastus lateralis muscle that was used in our series to obliterate dead space, provide a vascular bed for nerve grafts and combat infection; and, access to fascia lata grafts for reconstruction of the triceps tendon.

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The stiff elbow: How I do it

Cited by 109 publications

References 19 publications

A Pilot Study of Individual Muscle Force Prediction during Elbow Flexion and Extension in the Neurorehabilitation Field

A Pilot Study of Individual Muscle Force Prediction during Elbow Flexion and Extension in the Neurorehabilitation Field

Steifer posttraumatischer Ellenbogen

Use of the Fix and Flap Approach to Complex Open Elbow Injury: The Role of the Free Anterolateral Thigh Flap

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