Objective: The aim of this study was to quantify the motor adaptations in the frontal plane made by unilateral transtibial amputees (UTAs), with special regard to: (1) abduction/adduction moment at the hip and knee valgus moment in the frontal plane; (2) pelvic and thorax obliquity; and (3) stride length and gait speed.
Methods: 15 Males with unilateral transtibial amputation comprised the subject group and 15 non-disabled individuals served as control group. Gait analysis was performed using the VICON MOTION SYSTEM(®) (Oxford Metrics, Oxford, UK).
Results: In this study, UTAs walked with a reduced hip abductor moment during the stance phase. At the knee joint, the valgus moment was reduced in the prosthetic limb compared to the sound and the control limb. The thorax range of motion in the frontal plane was increased on the prosthetic side, compared with the non amputee subjects.
Conclusion: Our findings suggest that unilateral transtibial amputation patients walk with different motor control strategies in the frontal plane compared with the non-disabled subjects. These results suggest the need for specific training for this group of UTAs, focusing on exercises to stabilize and strengthen the proximal muscles as well as practicing balance and coordination in the coronal plane.
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http://dx.doi.org/10.1016/j.gaitpost.2012.08.019 | DOI Listing |
Ann Chir Plast Esthet
January 2025
Service ORL et chirurgie cervico-faciale, centre hôpital universitaire Lariboisière, AP-HP, 2, rue Ambroise-Paré, 75010 Paris, France. Electronic address:
Total nasal reconstruction represents a complex challenge, requiring restoration of all three anatomical planes while preserving respiratory function. This procedure has significant therapeutic, aesthetic, social and professional implications for patients. We share our academic experience of reconstruction using a folded microanastomosed radial forearm flap (FRFF) combined with a paramedian forehead flap, using the technique of F.
View Article and Find Full Text PDFJ Sports Sci
January 2025
Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.
Anticipatory postural adjustments (APAs) are responsible for a successful first step execution in handstand walking. This study evaluates gymnasts' ability to adapt their APAs and stepping parameters in response to adding/removing an external load over repeated handstand walking initiation trials. Eighteen gymnasts performed five handstand walking initiation trials without load (PRE), eight trials with an external load (LOAD) and five trials with removed load (POST).
View Article and Find Full Text PDFActa Bioeng Biomech
June 2024
2Department of Individual Sports, High Institute of Sport and Physical Education of Ksar Said, Manouba University, Tunisia.
: The acute effects of static stretching (SS) on dynamic balance, a key fitness component that contributes to injury prevention, has been a subject of significant debate. This study aimed to investigate the acute effect of short-duration SS exercises on dynamic balance following different recovery durations in youth female volleyball players. : Thirteen volunteers U-14 female players were included.
View Article and Find Full Text PDFPurpose: Anterior tibial closing wedge osteotomy (ATCWO) has been shown to significantly reduce failure rates of revision anterior cruciate ligament (ACL) reconstructions in patients with a posterior tibial slope (PTS) ≥12°. Recent findings suggest a slight but significant reduction of the medial proximal tibial angle (MPTA) resulting in a varus knee where the sagittal osteotomy plane is based on a total of two guide wires defining the osteotomy wedge without respecting the frontal plane. We hypothesize that the placement of a total of four guide wires intraoperatively can reduce the influence on the MPTA.
View Article and Find Full Text PDFJ Arthroplasty
January 2025
The University of Tennessee Health Science Center-Campbell Clinic Department of Orthopaedic Surgery and Biomedical Engineering, 1400 S. Germantown Rd, Germantown, TN, 38138. Electronic address:
Background: This study investigated the influence of surgical alignment techniques on knee joint biomechanics during stair negotiation tasks. Our hypothesis was that a more personalized joint alignment would result in reduced medial knee loading biomechanics to negotiate the stairs.
Methods: There were 28 adults (14 mechanical alignments [MA], 14 kinematic alignment [KA]) who underwent total knee arthroplasty (TKA) at least one year post-operatively and performed five stair ascent and descent trials at their preferred velocities.
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