489 results match your criteria Upper Limb Prosthetics


Pattern of upper limb amputation associated with lower limb amputation: the UK military experience from Iraq and Afghanistan.

BMJ Mil Health 2021 Apr 29. Epub 2021 Apr 29.

Academic Department for Military Surgery and Trauma, Royal Centre for Defence Medicine, Birmingham, UK.

Introduction: The conflicts in Iraq and Afghanistan resulted in large numbers of personnel sustaining extremity injuries. In the context of polytrauma, partial hand amputation is often unrecorded. The aim of this work was to quantify the burden of upper limb (UL) amputation at any level occurring concurrently with a major (ankle and proximal) lower limb (LL) amputation. Read More

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A Systematic Review of EMG Applications for the Characterization of Forearm and Hand Muscle Activity during Activities of Daily Living: Results, Challenges, and Open Issues.

Sensors (Basel) 2021 Apr 26;21(9). Epub 2021 Apr 26.

Department of Mechanical Engineering and Construction, Universitat Jaume I, E12071 Castellón, Spain.

The role of the hand is crucial for the performance of activities of daily living, thereby ensuring a full and autonomous life. Its motion is controlled by a complex musculoskeletal system of approximately 38 muscles. Therefore, measuring and interpreting the muscle activation signals that drive hand motion is of great importance in many scientific domains, such as neuroscience, rehabilitation, physiotherapy, robotics, prosthetics, and biomechanics. Read More

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The client satisfaction with device: a Rasch validation of the Arabic version in patients with upper and lower limb amputation.

Health Qual Life Outcomes 2021 Apr 27;19(1):134. Epub 2021 Apr 27.

Physical and Rehabilitation Medicine Unit, Scientific Institute of Tradate, Istituti Clinici Scientifici Maugeri IRCCS, Tradate, Varese, Italy.

Background: The Client Satisfaction with Devices (CSD) module of the Orthotics and Prosthetics Users' Survey is an extensively used questionnaire that measures patients' satisfaction with orthosis and prosthesis. However, the validated version for Arabic speakers (CSD-Ar) is only applicable for orthosis users.

Objectives: The aim of this study was to evaluate the psychometric proprieties of the CSD-Ar for prosthetics users. Read More

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Amputation Care Quality and Satisfaction With Prosthetic Limb Services: A Longitudinal Study of Veterans With Upper Limb Amputation.

Fed Pract 2021 Mar;38(3):110-120

is a Research Career Scientist at the US Department of Veterans Affairs (VA) Providence VA Medical Center (VAMC), and Professor of Health Services, Policy and Practice at Brown University in Rhode island, is a Biostatistician; and is a Program Manager in the Research Department, Providence VAMC. is an Adjunct Professor at University of Massachusetts Medical school in Worcester and Professor of Health Services Policy and Practice, Brown University. is a National Program Director at the VA Rehabilitation and Prosthetics Services, Orthotic & Prosthetic Clinical Services in Washington, DC and is Professor at the University of South Florida, Morsani College of Medicine, School of Physical Therapy & Rehabilitation Sciences in Tampa. is Deputy Director of the Extremity Trauma and Amputation Center of Excellence. is a Professor in the Department of Physical Medicine and Rehabilitation, School of Medicine at Virginia Commonwealth University and a Staff Physician, Physical Medicine and Rehabilitation Hunter Holmes McGuire VAMC in Richmond.

Purpose: This study sought to measure and identify factors associated with satisfaction with care among veterans. The metrics were colelcted for those receiving prosthetic limb care at the US Department of Veterans Affairs (VA) and US Department of Defense (DoD) care settings and at community-based care providers.

Methods: A longitudinal cohort of veterans with major upper limb amputation receiving any VA care from 2010 to 2015 were interviewed by phone twice, 1 year apart. Read More

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Innovative approaches to designing and manufacturing a prosthetic thumb.

Prosthet Orthot Int 2021 Feb;45(1):81-84

Department of Biomedical Engineering and Measurement, Faculty of Mechanical Engineering, Technical University of Košice, Košice, Slovakia.

Case Description: Conventional methods for producing custom prosthetic fingers are time-consuming, can be uncomfortable for the patient, and require a skilled prosthetist. The subject was a 40-year-old male with congenital absence of the thumb and related metacarpal bone on the right non-dominant hand, anomaly of the lengths of individual upper limb segments, and contracture of the elbow joint. This hand presentation made it impossible for him to perform thumb opposition, which is a very important function for common daily activities. Read More

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February 2021

Channel-hopping during surface electrical neurostimulation elicits selective, comfortable, distally referred sensations.

J Neural Eng 2021 Apr 9;18(5). Epub 2021 Apr 9.

Department of Biomedical Engineering, Florida International University, Miami, FL, United States of America.

Lack of sensation from a hand or prosthesis can result in substantial functional deficits. Surface electrical stimulation of the peripheral nerves is a promising non-invasive approach to restore lost sensory function. However, the utility of standard surface stimulation methods has been hampered by localized discomfort caused by unintended activation of afferents near the electrodes and limited ability to specifically target underlying neural tissue. Read More

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Towards automation of dynamic-gaze video analysis taking functional upper-limb tasks as a case study.

Comput Methods Programs Biomed 2021 May 7;203:106041. Epub 2021 Mar 7.

School of Electrical Engineering, Electronics and Computer Science, University of Liverpool, Liverpool L69 3BX, UK.

Background And Objective: Previous studies in motor control have yielded clear evidence that gaze behavior (where someone looks) quantifies the attention paid to perform actions. However, eliciting clinically meaningful results from the gaze data has been done manually, rendering it incredibly tedious, time-consuming, and highly subjective. This paper aims to study the feasibility of automating the coding process of the gaze data taking functional upper-limb tasks as a case study. Read More

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Perceived Success in Upper-Extremity Vascularized Composite Allotransplantation: A Qualitative Study.

J Hand Surg Am 2021 Mar 13. Epub 2021 Mar 13.

Division of Plastic Surgery, Brigham and Women's Hospital, Boston, MA. Electronic address:

Purpose: We performed a qualitative study to understand psychosocial factors associated with perceived success of upper-extremity vascularized composite allotransplantation (VCA). We interviewed transplant recipients and their primary caregivers.

Methods: We recruited 4 upper-extremity VCA recipients and primary caregivers for 3 of them. Read More

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Cost Analyses of Prosthetic Devices: A Systematic Review.

Arch Phys Med Rehabil 2021 Mar 9. Epub 2021 Mar 9.

Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California, San Francisco, San Francisco, CA. Electronic address:

Objective: To synthesize extant literature on the cost-effectiveness of prosthetic interventions and explore applicability to low- and middle-income country (LMIC) settings.

Data Sources: A systematic literature review using subject headings including "prosthetics," "amputation," and "cost analysis" was performed with PubMed, Embase, and Web of Science search engines, yielding 1194 articles. An additional 22 articles were identified via backward citation searching for 1144 total after duplicate removal. Read More

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Amputation Rehabilitation and Prosthetics Curricula in Physical Therapist Professional Education Programs.

J Allied Health 2021 ;50(1):29-37

Dep. of Physical Therapy, California State University, Sacramento, 6000 J Street-Folsom Hall M6020, Sacramento, CA 95819, USA. Tel 916-278-5445.

Introduction: Curricular guidelines do not exist currently for content related to amputation rehabilitation and prosthetics in entry-level physical therapy education programs. Documents exist to provide context, but before guidelines can be written, the current content of entry-level physical therapist professional education programs must be known.

Methods: Faculty members teaching amputation rehabilitation and prosthetics at 225 accredited physical therapist education programs in the United States were recruited via e-mail. Read More

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January 2021

Surgical and technological advances in the management of upper limb amputees.

Bone Joint J 2021 Mar;103-B(3):430-439

Department of Orthopaedic Surgery, Atrium Health Musculoskeletal Institute, Charlotte, North Carolina, USA.

Upper limb amputations, ranging from transhumeral to partial hand, can be devastating for patients, their families, and society. Modern paradigm shifts have focused on reconstructive options after upper extremity limb loss, rather than considering the amputation an ablative procedure. Surgical advancements such as targeted muscle reinnervation and regenerative peripheral nerve interface, in combination with technological development of modern prosthetics, have expanded options for patients after amputation. Read More

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User training for machine learning controlled upper limb prostheses: a serious game approach.

J Neuroeng Rehabil 2021 02 12;18(1):32. Epub 2021 Feb 12.

Department of Rehabilitation Medicine, University of Groningen, University Medical Center Groningen, Groningen, Netherlands.

Background: Upper limb prosthetics with multiple degrees of freedom (DoFs) are still mostly operated through the clinical standard Direct Control scheme. Machine learning control, on the other hand, allows controlling multiple DoFs although it requires separable and consistent electromyogram (EMG) patterns. Whereas user training can improve EMG pattern quality, conventional training methods might limit user potential. Read More

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February 2021

Suitability of the Openly Accessible 3D Printed Prosthetic Hands for War-Wounded Children.

Front Robot AI 2020 11;7:594196. Epub 2021 Jan 11.

Department of Mechanical and Industrial Engineering, Qatar University, Doha, Qatar.

The field of rehabilitation and assistive devices is being disrupted by innovations in desktop 3D printers and open-source designs. For upper limb prosthetics, those technologies have demonstrated a strong potential to aid those with missing hands. However, there are basic interfacing issues that need to be addressed for long term usage. Read More

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January 2021

Clinical evaluation of the revolutionizing prosthetics modular prosthetic limb system for upper extremity amputees.

Sci Rep 2021 Jan 13;11(1):954. Epub 2021 Jan 13.

Uniformed Services University of the Health Sciences, Bethesda, MD, USA.

Individuals with upper extremity (UE) amputation abandon prostheses due to challenges with significant device weight-particularly among myoelectric prostheses-and limited device dexterity, durability, and reliability among both myoelectric and body-powered prostheses. The Modular Prosthetic Limb (MPL) system couples an advanced UE prosthesis with a pattern recognition paradigm for intuitive, non-invasive prosthetic control. Pattern recognition accuracy and functional assessment-Box & Blocks (BB), Jebsen-Taylor Hand Function Test (JHFT), and Assessment of Capacity for Myoelectric Control (ACMC)-scores comprised the main outcomes. Read More

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January 2021

Targeted Muscle Reinnervation: A Paradigm Shift for Neuroma Management and Improved Prosthesis Control in Major Limb Amputees.

J Am Acad Orthop Surg 2021 04;29(7):288-296

From the OrthoCarolina Hand Center, Charlotte, North Carolina (Johnson), Atrium Musculoskeletal Institute, the OrthoCarolina Hand Center, Charlotte, North Carolina (Loeffler), and the Atrium Musculoskeletal Institute, OrthoCarolina Hand and Upper Extremity Fellowship, Charlotte, North Carolina (Gaston).

Targeted muscle reinnervation (TMR) is a procedure that redirects nerves severed by amputation to new muscle targets. In tandem with advances in myoelectric prosthetics, TMR surgery provides amputees with improved control of myoelectric prostheses and simultaneously prevents or treats painful neuromas. TMR also has an emerging role in the management of neuromas in a nonamputation setting, and it seems to be a powerful strategy to treat a wide variety of neuromas. Read More

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Current rates of prosthetic usage in upper-limb amputees - have innovations had an impact on device acceptance?

Disabil Rehabil 2020 Dec 30:1-12. Epub 2020 Dec 30.

Department of Surgery, Division of Plastic and Reconstructive Surgery, Medical University of Vienna, Vienna, Austria.

Purpose: There is a large body of evidence demonstrating high rates of prosthesis abandonment in the upper extremity. However, these surveys were conducted years ago, thus the influence of recent refinements in prosthetic technology on acceptance is unknown. This study aims to gather current data on prosthetic usage, to assess the effects of these advancements. Read More

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December 2020

[Clinical pathway and preparation method of high-precision tooth shoulder platform].

Hua Xi Kou Qiang Yi Xue Za Zhi 2020 Dec;38(6):712-717

State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Prosthetics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.

A clear shoulder platform that can be easily identified by doctors and technicians or machines (mouth scan and warehouse scan) is important to obtaining a good long-term and stable fixed prosthesis treatment effect. At present, the pre-paration of the shoulder platform is usually based on free hands, and the practical operation is mainly guided by experience. Moreover, no comprehensive and objective preoperative design, intraoperative verification, and final test are available. Read More

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December 2020

Motor relearning program along with electrical stimulation for improving upper limb function in stroke patients: A quasi experimental study.

Pak J Med Sci 2020 Nov-Dec;36(7):1613-1617

Shafqatullah Jan, BSPT, MSPT. Physiotherapist, Pakistan Institute of Prosthetics and Orthotic Sciences Peshawar, Peshawar, Pakista.

Objective: To determine the effectiveness of motor relearning program along with electrical stimulation for improving upper limb function in patients with sub-acute stroke.

Methods: A quasi experimental study was conducted at Physiotherapy Department of SAIDU Group of Teaching Hospitals Swat Khyber Pakhtunkhwa from January to June 2019. Forty four subjects with post stroke duration of 3-9 months (sub-acute) participated in the study. Read More

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November 2020

[Treatment paths in the exoskeletal prosthetic care of the upper extremities].

Authors:
M Schäfer

Orthopade 2021 Jan;50(1):32-43

Pohlig GmbH, Grabenstätter Str. 1, 83278, Traunstein, Deutschland.

Background: The successful prosthetic treatment after amputations of the upper extremities has to deal with the high demands of adequate compensation for functional, sensitive and also habitual requirements. The best success can only be achieved if the involved disciplines of medicine, therapy and technology act in close dialogue with one another and pull together.

Objectives: How can an interdisciplinary understanding of prosthetic care of the upper extremity be created and implemented in corresponding treatment pathways?

Methods: Over a period of several years, a committee of German experts in prosthetics developed a quality standard for prosthetic care of the upper extremity. Read More

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January 2021

Physical sciences.

Prosthet Orthot Int 2020 Dec 6;44(6):373-383. Epub 2020 Nov 6.

Department of Clinical and Scientific Affairs, Hanger Clinic, Salt Lake City, UT, USA.

In the original edition of , Dr Sidney Fishman identified what he anticipated as foundational educational needs for the emerging field of clinical prosthetics and orthotics. Within the broader construct of the physical sciences, this included mathematics, physics, chemistry, biomechanics, and material sciences. The clinical application of these disciplines to expanding the collective understanding within the field is described, including the biomechanics of able-bodied and prosthetic gait, the material science of socket construction, the physics of suspension and load distribution, and the engineering of prosthetic components to mimic human biomechanics. Read More

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December 2020

Intracortical Circuits in the Contralesional Primary Motor Cortex in Patients With Chronic Stroke After Botulinum Toxin Type A Injection: Case Studies.

Front Hum Neurosci 2020 24;14:342. Epub 2020 Aug 24.

The Royal Melbourne Hospital, Melbourne, VIC, Australia.

Spasticity and motor recovery are both related to neural plasticity after stroke. A balance of activity in the primary motor cortex (M1) in both hemispheres is essential for functional recovery. In this study, we assessed the intracortical inhibitory and facilitatory circuits in the contralesional M1 area in four patients with severe upper limb spasticity after chronic stroke and treated with botulinum toxin-A (BoNT-A) injection and 12 weeks of upper limb rehabilitation. Read More

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Temporal Modulation of Transcutaneous Electrical Nerve Stimulation Influences Sensory Perception.

Annu Int Conf IEEE Eng Med Biol Soc 2020 07;2020:3885-3888

The incorporation of sensory feedback in prosthetics can lead to a range of benefits, such as improved hand control, increased prosthesis embodiment, and the reduction of phantom limb pain. However, the creation of reliable sensory feedback is complicated by the temporal modulation of the nervous system. Sensory fibres in the hand are primed to react to changing conditions, firing when discrete mechanical events occur. Read More

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Lateralization and Model Transference in a Bilateral Cursor Task

Annu Int Conf IEEE Eng Med Biol Soc 2020 07;2020:3240-3243

Post-stroke rehabilitation, occupational and physical therapy, and training for use of assistive prosthetics leverages our current understanding of bilateral motor control to better train individuals. In this study, we examine upper limb lateralization and model transference using a bimanual joystick cursor task with orthogonal controls. Two groups of healthy subjects are recruited into a 2-session study spaced seven days apart. Read More

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Correspondence: Upper Extremity Functional Index.

J Physiother 2020 10 25;66(4):278. Epub 2020 Sep 25.

Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran.

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October 2020

A more human prosthetic hand.

Sci Robot 2020 Sep;5(46)

School of Informatics, University of Edinburgh, 10 Crichton Street, Edinburgh EH8 9AB, UK. Email:

Co-creation leads the way for bioinspired prosthetics with improved design and performance. Read More

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September 2020

Control Methods for Transradial Prostheses Based on Remnant Muscle Activity and Its Relationship with Proprioceptive Feedback.

Sensors (Basel) 2020 Aug 28;20(17). Epub 2020 Aug 28.

Department of Robotics, VSB-Technical University of Ostrava, 70800 Ostrava, Czech Republic.

The loss of a hand can significantly affect one's work and social life. For many patients, an artificial limb can improve their mobility and ability to manage everyday activities, as well as provide the means to remain independent. This paper provides an extensive review of available biosensing methods to implement the control system for transradial prostheses based on the measured activity in remnant muscles. Read More

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Innovative approaches to designing and manufacturing a prosthetic thumb.

Prosthet Orthot Int 2020 Aug 25:309364620949717. Epub 2020 Aug 25.

Department of Biomedical Engineering and Measurement, Faculty of Mechanical Engineering, Technical University of Košice, Košice, Slovakia.

Case Description: Conventional methods for producing custom prosthetic fingers are time-consuming, can be uncomfortable for the patient, and require a skilled prosthetist. The subject was a 40-year-old male with congenital absence of the thumb and related metacarpal bone on the right non-dominant hand, anomaly of the lengths of individual upper limb segments, and contracture of the elbow joint. This hand presentation made it impossible for him to perform thumb opposition, which is a very important function for common daily activities. Read More

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Design and development of a novel 3D-printed non-metallic self-locking prosthetic arm for a forequarter amputation.

Prosthet Orthot Int 2020 Aug 25:309364620948290. Epub 2020 Aug 25.

Engineering Product Development (EPD) Pillar, Singapore University of Technology and Design, Singapore.

Background: Upper limb, in particular forequarter amputations, require highly customised devices that are often expensive and underutilised.

Objectives: The objective of this study was to design and develop a comfortable 3D-printed cosmetic forequarter prosthetic device, which was lightweight, cool to wear, had an elbow that could lock, matched the appearance of the contralateral arm and was completely free of metal for a specific user's needs.

Study Design: Device design. Read More

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Swedish parents' experiences of their role in treatment for children with congenital limb reduction deficiency: Decision-making and treatment support.

Child Care Health Dev 2020 11 18;46(6):723-732. Epub 2020 Aug 18.

School of Health Sciences, Örebro University, Örebro, Sweden.

Background: Parents of children with congenital limb reduction deficiency have an essential role in making treatment decisions during their child's first years of life. Treatment options usually concern surgical and/or prosthetic treatment. To tailor treatment options to fit different family values and priorities, the family-centred approach indicates the importance of understanding the parental role in partnership with health care professionals. Read More

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November 2020

Sensory restoration by epidural stimulation of the lateral spinal cord in upper-limb amputees.

Elife 2020 07 21;9. Epub 2020 Jul 21.

Rehab Neural Engineering Labs, University of Pittsburgh, Pittsburgh, United States.

Restoring somatosensory feedback to people with limb amputations is crucial to improve prosthetic control. Multiple studies have demonstrated that peripheral nerve stimulation and targeted reinnervation can provide somatotopically relevant sensory feedback. While effective, the surgical procedures required for these techniques remain a major barrier to translatability. Read More

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