G Bergmann

Summary

Affiliation: Biomechanics Laboratory
Country: Germany

Publications

  1. ncbi request reprint Hip joint contact forces during stumbling
    G Bergmann
    Biomechanics Laboratory, Charite University Medicine Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203 Berlin, Germany
    Langenbecks Arch Surg 389:53-9. 2004
  2. ncbi request reprint In vivo glenohumeral contact forces--measurements in the first patient 7 months postoperatively
    G Bergmann
    Department of Orthopaedics, Charite Universitatsmedizin Berlin, Biomechanics Laboratory, Campus Benjamin Franklin, Hindenburgdamm 30, D 12203 Berlin, Germany
    J Biomech 40:2139-49. 2007
  3. ncbi request reprint Frictional heating of total hip implants. Part 2: finite element study
    G Bergmann
    Biomechanics Laboratory, Benjamin Franklin School of Medicine, Free University of Berlin, Hindenburgdamm 30, 12200 Berlin, Germany
    J Biomech 34:429-35. 2001
  4. ncbi request reprint Frictional heating of total hip implants. Part 1: measurements in patients
    G Bergmann
    Biomechanics Laboratory, Department of Orthopaedics, Free University of Berlin, Clayallee 229, 14195, Berlin, Germany
    J Biomech 34:421-8. 2001
  5. ncbi request reprint Averaging of strongly varying signals
    G Bergmann
    Dept of Astronomy and Astrophysics, University Tübingen, Germany
    Biomed Tech (Berl) 46:168-71. 2001
  6. ncbi request reprint [Loads acting on orthopaedic implants. Measurements and practical applications]
    G Bergmann
    Campus Benjamin Franklin, Klinik für Orthopädie, Biomechanik Labor, Charite Universitatsmedizin Berlin, Hindenburgdamm 30, 12203, Berlin
    Orthopade 36:195-6, 198-200, 202-4. 2007
  7. ncbi request reprint Hip contact forces and gait patterns from routine activities
    G Bergmann
    Biomechanics Laboratory, Benjamin Frunklin School of Medicine, Free University of Berlin, Hindenburgdamm 30, 12203, Berlin, Germany
    J Biomech 34:859-71. 2001
  8. ncbi request reprint Placing a bone graft more posteriorly may reduce the risk of pedicle screw breakage: analysis of an unexpected case of pedicle screw breakage
    A Rohlmann
    Biomechanics Laboratory, Oskar Helene Heim, Biomechanik Labor, Berlin, Germany
    J Biomech 31:763-7. 1998
  9. doi request reprint In vivo gleno-humeral joint loads during forward flexion and abduction
    G Bergmann
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
    J Biomech 44:1543-52. 2011
  10. doi request reprint Realistic loads for testing hip implants
    G Bergmann
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, Berlin, Germany
    Biomed Mater Eng 20:65-75. 2010

Collaborators

Detail Information

Publications54

  1. ncbi request reprint Hip joint contact forces during stumbling
    G Bergmann
    Biomechanics Laboratory, Charite University Medicine Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203 Berlin, Germany
    Langenbecks Arch Surg 389:53-9. 2004
    ..To determine whether load directions for stumbling are similar to those for common activities and whether stumbling can be realistically simulated under laboratory conditions without endangering the patients...
  2. ncbi request reprint In vivo glenohumeral contact forces--measurements in the first patient 7 months postoperatively
    G Bergmann
    Department of Orthopaedics, Charite Universitatsmedizin Berlin, Biomechanics Laboratory, Campus Benjamin Franklin, Hindenburgdamm 30, D 12203 Berlin, Germany
    J Biomech 40:2139-49. 2007
    ..3mm. These first worldwide in vivo measurements of glenohumeral contact forces are being continued in more patients and for longer postoperative times...
  3. ncbi request reprint Frictional heating of total hip implants. Part 2: finite element study
    G Bergmann
    Biomechanics Laboratory, Benjamin Franklin School of Medicine, Free University of Berlin, Hindenburgdamm 30, 12200 Berlin, Germany
    J Biomech 34:429-35. 2001
    ..Under unfavourable conditions such a risk exists, however. General improvements of implant materials and clinical studies on the possibility of implant loosening due to high temperatures are therefore required...
  4. ncbi request reprint Frictional heating of total hip implants. Part 1: measurements in patients
    G Bergmann
    Biomechanics Laboratory, Department of Orthopaedics, Free University of Berlin, Clayallee 229, 14195, Berlin, Germany
    J Biomech 34:421-8. 2001
    ..Because the potential risk for an individual patient cannot be foreseen, the use and improvement of low friction implant materials is important...
  5. ncbi request reprint Averaging of strongly varying signals
    G Bergmann
    Dept of Astronomy and Astrophysics, University Tübingen, Germany
    Biomed Tech (Berl) 46:168-71. 2001
    ..This procedure is well suited for averaging hip contact forces and other varying signals as long as their complexity and variation is not extremely large...
  6. ncbi request reprint [Loads acting on orthopaedic implants. Measurements and practical applications]
    G Bergmann
    Campus Benjamin Franklin, Klinik für Orthopädie, Biomechanik Labor, Charite Universitatsmedizin Berlin, Hindenburgdamm 30, 12203, Berlin
    Orthopade 36:195-6, 198-200, 202-4. 2007
    ..Using this data, many practical conclusions are drawn. Due to the huge amount of data obtained from the hip, most practical advise can be provided to patients with replacement or disorders involving this joint...
  7. ncbi request reprint Hip contact forces and gait patterns from routine activities
    G Bergmann
    Biomechanics Laboratory, Benjamin Frunklin School of Medicine, Free University of Berlin, Hindenburgdamm 30, 12203, Berlin, Germany
    J Biomech 34:859-71. 2001
    ..Because the hip joint loading during all other common activities of most hip patients are comparably small (except during stumbling), implants should mainly be tested with loading conditions that mimic walking and stair climbing...
  8. ncbi request reprint Placing a bone graft more posteriorly may reduce the risk of pedicle screw breakage: analysis of an unexpected case of pedicle screw breakage
    A Rohlmann
    Biomechanics Laboratory, Oskar Helene Heim, Biomechanik Labor, Berlin, Germany
    J Biomech 31:763-7. 1998
    ..Upper vertebral tilting in the sagittal plane must have caused the screw breakage. This would probably have been prevented by a more posteriorly placed bone graft...
  9. doi request reprint In vivo gleno-humeral joint loads during forward flexion and abduction
    G Bergmann
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
    J Biomech 44:1543-52. 2011
    ..Large moments in the joint indicate that friction in shoulder implants is high if the glenoid is not replaced. A friction coefficient of 0.1-0.2 seems to be realistic in these cases...
  10. doi request reprint Realistic loads for testing hip implants
    G Bergmann
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, Berlin, Germany
    Biomed Mater Eng 20:65-75. 2010
    ..At least for heavyweight and very active subjects, the real load conditions are more critical than those defined by the ISO standards for fatigue tests...
  11. doi request reprint Measurement of shoulder joint loads during wheelchair propulsion measured in vivo
    P Westerhoff
    Julius Wolff Institute, Charite Universitatsmedizin Berlin, Germany
    Clin Biomech (Bristol, Avon) 26:982-9. 2011
    ..For complex movements of everyday living or wheelchair propulsion, the reported loads vary considerably...
  12. doi request reprint Applying a follower load delivers realistic results for simulating standing
    A Rohlmann
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
    J Biomech 42:1520-6. 2009
    ..Applying a follower load of 500 N is the only loading mode simulating standing for which the calculated values for intervertebral rotations and intradiscal pressures agreed well with in vivo data from literature...
  13. ncbi request reprint Estimation of muscle forces in the lumbar spine during upper-body inclination
    T Zander
    Orthopaedic Hospital of the Free University of Berlin, Oskar Helene Heim, Biomechanics Laboratory, Clayallee 229, D 14195, Berlin, Germany
    Clin Biomech (Bristol, Avon) 16:S73-80. 2001
    ..To estimate the muscle forces during upper-body inclination and to determine their influence on stress distribution in the annulus fibrosus of the lumbar spine discs...
  14. ncbi request reprint Effect of position and height of a mobile core type artificial disc on the biomechanical behaviour of the lumbar spine
    A Rohlmann
    Biomechanics Laboratory, Charite Campus Benjamin Franklin, Berlin, Germany
    Proc Inst Mech Eng H 222:229-39. 2008
    ..Great care should be taken to choose the optimal implant height and to insert the implant in the best position for each individual patient...
  15. pmc Effect of an internal fixator and a bone graft on intersegmental spinal motion and intradiscal pressure in the adjacent regions
    A Rohlmann
    Biomechanics Laboratory, Benjamin Franklin School of Medicine, Free University of Berlin, Germany
    Eur Spine J 10:301-8. 2001
    ..Our results suggest that disc degeneration, which is sometimes found at the level directly above and below the fixators, is not caused by mechanical factors...
  16. doi request reprint In vivo measurement of shoulder joint loads during walking with crutches
    P Westerhoff
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, Germany
    Clin Biomech (Bristol, Avon) 27:711-8. 2012
    ..Following surgery or injury of the lower limbs, the use of walking aids like crutches can cause high loads on the shoulder joint. These loads have been calculated so far with computer models but with strongly varying results...
  17. doi request reprint [Stiffening effect of a transsacral fusion system for the lumbosacral junction. A probabilistic finite element analysis and sensitivity study]
    H N Boustani
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland
    Orthopade 40:162-8. 2011
    ..The other parameters usually explain less than 10% of the variance. The novel lumbosacral fusion system allows good stabilization of the segment, especially when additional fixation via facet screws or fixators is performed...
  18. ncbi request reprint Hip joint forces in sheep
    G Bergmann
    Oskar Helene Heim, Department of Orthopaedics, Free University of Berlin, Germany
    J Biomech 32:769-77. 1999
    ..With regard to the force magnitudes and their directions, sheep seem to be a good model for testing human implant at the proximal femur...
  19. ncbi request reprint 2000 Volvo Award winner in biomechanical studies: Monitoring in vivo implant loads with a telemeterized internal spinal fixation device
    A Rohlmann
    Biomechanics Laboratory, Free University of Berlin, Oskar Helene Heim, Berlin, Germany
    Spine (Phila Pa 1976) 25:2981-6. 2000
    ..Implant loads were measured in 10 patients using telemeterized internal spinal fixation devices...
  20. ncbi request reprint [Biomechanical consequences of variations in artificial disc positioning. A finite element study on the lumbar spine]
    T Zander
    Campus Benjamin Franklin, Klink für Orthopädie, Biomechanik Labor, Charite Universitatsmedizin Berlin, Hindenburgdamm 30, 12203, Berlin
    Orthopade 36:205-6, 208-11. 2007
    ..The model predicts, especially for lateral eccentricities, strongly increased lumbar loads. Therefore, great care should be taken in placing the implant in an optimal position...
  21. doi request reprint Spinal loads during position changes
    A Rohlmann
    Julius Wolff Institute, Charite Universitatsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
    Clin Biomech (Bristol, Avon) 27:754-8. 2012
    ..However, until now it is not clear whether the loads are in fact lower if the patients follow these recommendations. The aim was to measure the loads while changing the body position...
  22. doi request reprint Realistic loading conditions for upper body bending
    A Rohlmann
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, Augustenburger Platz 1, PSF 24, 13353 Berlin, Germany
    J Biomech 42:884-90. 2009
    ..Only then will results of different studies be comparable...
  23. ncbi request reprint Analysis of simulated single ligament transection on the mechanical behaviour of a lumbar functional spinal unit
    T Zander
    Biomechanics Laboratory, Charite University Medicine Berlin, Campus Benjamin Franklin, Berlin, Germany
    Biomed Tech (Berl) 49:27-32. 2004
    ..This study should help to elucidate the role of the various ligaments...
  24. pmc Flexible non-fusion scoliosis correction systems reduce intervertebral rotation less than rigid implants and allow growth of the spine: a finite element analysis of different features of orthobiom
    A Rohlmann
    Biomechanics Laboratory, Charite Universitatsmedizin Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany
    Eur Spine J 17:217-23. 2008
    ..The mobile connectors moved considerably along the rod when the spine was bent. It can be expected that the connectors also move along the rod as the adolescent grows, possibly leaving the discs intact until the patient is fully grown...
  25. ncbi request reprint Effect of an interspinous implant on loads in the lumbar spine
    A Rohlmann
    Biomechanics Laboratory, Orthopedic Hospital, Charite Universitatsmedizin Berlin, Campus Benjamin Franklin, Hindenburgdamm 20, 12203 Berlin
    Biomed Tech (Berl) 50:343-7. 2005
    ..Implant size and stiffness have only a minor effect on intradiscal pressure. The maximum von Mises stress in the vertebral arch is strongly increased by the implant...
  26. doi request reprint Design and calibration of load sensing orthopaedic implants
    G Bergmann
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
    J Biomech Eng 130:021009. 2008
    ..Additional errors caused by noise of the transmitted signals can be reduced by filtering if this is permitted by the sampling rate and the required frequency content of the loads...
  27. pmc Comparison of the biomechanical effects of posterior and anterior spine-stabilizing implants
    Antonius Rohlmann
    Biomechanics Laboratory, Charite Universitatsmedizin Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203 Berlin, Germany
    Eur Spine J 14:445-53. 2005
    ..This study adds new information about the mechanical behavior of the lumbar spine after insertion of posterior and anterior spine-stabilizing implants. This information improves our biomechanical understanding of the spine...
  28. ncbi request reprint Effects of the rib cage on thoracic spine flexibility
    M L Sham
    Biomechanics Laboratory, Department of Orthopaedics, Charite Universitatsmedizin Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, Berlin 12203
    Biomed Tech (Berl) 50:361-5. 2005
    ..In addition, such a model is suitable for determining the effects of lumbar spine implants on spinal balance...
  29. doi request reprint In vivo measurement of shoulder joint loads during activities of daily living
    P Westerhoff
    Julius Wolff Institut, Charite Universitatsmedizin Berlin, D 13353 Berlin, Germany
    J Biomech 42:1840-9. 2009
    ..g. lifting or holding a weight with an outstretched arm. Some energy-related optimization criteria used in the literature for analytical musculoskeletal shoulder models must now be reconsidered...
  30. doi request reprint Loading of the knee joint during activities of daily living measured in vivo in five subjects
    I Kutzner
    Julius Wolff Institute, Charite Universitatsmedizin Berlin, 13353 Berlin, Germany
    J Biomech 43:2164-73. 2010
    ..Some of the observed load components were much higher than those currently applied when testing knee implants...
  31. ncbi request reprint Influence of a follower load on intradiscal pressure and intersegmental rotation of the lumbar spine
    A Rohlmann
    Biomechanics Laboratory, Orthopaedic Hospital of the Free University of Berlin, Germany
    Spine (Phila Pa 1976) 26:E557-61. 2001
    ..CONCLUSIONS: A superimposed follower load renders spinal loading with pure moments more physiologic...
  32. pmc Loads on internal spinal fixators measured in different body positions
    A Rohlmann
    Oskar Helene Heim, Biomechanics Laboratory, Clayallee 229, D 14195 Berlin, Germany
    Eur Spine J 8:354-9. 1999
    ..Loads on the fixators were not higher for sitting than for standing. Patients who have undergone mono- or bisegmental spine stabilization should therefore be allowed to sit as soon as they can leave the bed...
  33. ncbi request reprint Hip endoprosthesis for in vivo measurement of joint force and temperature
    F Graichen
    Biomechanics Laboratory, Oskar Helene Heim, Orthopaedic Hospital of the Free University of Berlin, Germany
    J Biomech 32:1113-7. 1999
    ..This paper describes the design and accuracy of the instrumented implant and the principal function of the external system components...
  34. ncbi request reprint Internal spinal fixator stiffness has only a minor influence on stresses in the adjacent discs
    A Rohlmann
    Department of Biomechanics, Free University of Berlin, Germany
    Spine (Phila Pa 1976) 24:1192-5; discussion 1195-6. 1999
    ..Stresses in vertebral endplates and discs were calculated using the three-dimensional nonlinear finite-element model of a lumbar spine with an internal spinal fixation device...
  35. ncbi request reprint Musculo-skeletal loading conditions at the hip during walking and stair climbing
    M O Heller
    Trauma and Reconstructive Surgery, Research Laboratory, Humboldt - University of Berlin, Augustenburger Platz 1, Charite, Campus Virchow-Klinikum, 13353, Berlin, Germany
    J Biomech 34:883-93. 2001
    ....
  36. ncbi request reprint [Effect of vertebral body stiffness before and after vertebroplasty on intradiscal pressure]
    A Rohlmann
    Biomechanik Labor, Charite Universitatsmedizin Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203 Berlin
    Biomed Tech (Berl) 50:148-52. 2005
    ..In addition, this shift leads to a stronger increase of intradiscal pressure than the augmentation of the vertebral body with bone cement...
  37. ncbi request reprint Influence of muscle forces on loads in internal spinal fixation devices
    A Rohlmann
    Department of Biomechanics, Free University of Berlin, Germany
    Spine (Phila Pa 1976) 23:537-42. 1998
    ..They prevent an axial tensile load on the spine when part of the body weight is pulling, e.g., when the patient is hanging by his hands or feet. The implant loads may be strongly altered when the patient is under anesthesia...
  38. doi request reprint An instrumented implant for in vivo measurement of contact forces and contact moments in the shoulder joint
    P Westerhoff
    Charite Universitatsmedizin Berlin, Campus Virchow Klinikum, Julius Wolff Institut, Augustenburger Platz 1, D 13353 Berlin, Germany
    Med Eng Phys 31:207-13. 2009
    ....
  39. ncbi request reprint Loads on an internal spinal fixation device during sitting
    A Rohlmann
    Orthopaedic Biomechanics Laboratory, Benjamin Franklin School of Medicine, Free University of Berlin, Hindenburgdamm 30, 12200, Berlin, Germany
    J Biomech 34:989-93. 2001
    ..Implant loads decreased with increasing inclination of the upper body while sitting on a chair with an adjustable backrest. Implant loads were about 27% higher for standing up and sitting down than for sitting...
  40. ncbi request reprint Influence of load carrying on loads in internal spinal fixators
    A Rohlmann
    Biomechanics Laboratory, Oskar Helene Heim, Orthopaedic Hospital of the Free University of Berlin, Germany
    J Biomech 33:1099-104. 2000
    ..Carrying a shopping bag only slightly increases the risk of pedicle screw breakage, however, since the spine has to support most of the additional weight, it represents a risk with regard to correction loss and bone sintering...
  41. doi request reprint Determination of typical patterns from strongly varying signals
    A Bender
    Julius Wolff Institute, Charite Universitatsmedizin Berlin, Augustenburger Platz 1, D 13353, Berlin, Germany
    Comput Methods Biomech Biomed Engin 15:761-9. 2012
    ..The accuracy of the method was tested numerically on signals for which the typical patterns could be defined exactly, and also on real joint forces that varied to different extents...
  42. pmc Influence of graded facetectomy and laminectomy on spinal biomechanics
    T Zander
    Biomechanics Laboratory, University Hospital Benjamin Franklin, Free University of Berlin, Hindenburgdamm 30, 12203, Berlin, Germany
    Eur Spine J 12:427-34. 2003
    ..For axial rotation, spinal stability is decreased even after a hemifacetectomy. Patients should therefore avoid excessive axial rotation after such a treatment...
  43. ncbi request reprint [The biomechanics of kyphosis]
    A Rohlmann
    Universitatsklinikum Benjamin Franklin, Freie Universitat Berlin
    Orthopade 30:915-8. 2001
    ..In the case of a wedge-shaped deformation of a vertebral body, the relative increase of the flexion moment is a function of the wedge angle and of the original position of the centre of gravity of the upper body...
  44. ncbi request reprint [Effect of a double intervertebral cage on the mechanical behavior of the lumbar spine]
    A Rohlmann
    Universitatsklinikum Benjamin Franklin, Freie Universitat Berlin
    Biomed Tech (Berl) 47:124-9. 2002
    ..Owing to the preload, maximum stresses were higher for the rigid bond than when contact elements were used...
  45. ncbi request reprint [Effect of implants for replacement of a vertebral body on the mechanical function of the lumbar spine]
    A Rohlmann
    Biomechanik Labor, Universitatsklinikum Benjamin Franklin, Freie Universitat Berlin
    Orthopade 31:503-7. 2002
    ..Different sizes of the contact area between implant and vertebral body have only a local effect on stress distribution...
  46. ncbi request reprint [Spinal load bearing during sitting in an office chair with a tilting back]
    A Rohlmann
    Universitatsklinikum Benjamin Franklin, Freie Universitat Berlin
    Biomed Tech (Berl) 47:91-6. 2002
    ..In a modern chair, spinal loading is no higher than with non-adjustable office chairs...
  47. doi request reprint Correlation between back shape and spinal loads
    H Srbinoska
    Julius Wolff Institute, Charite Universitatsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
    J Biomech 46:1972-5. 2013
    ..Only for considerable changes of the lordosis angle in an upright body position was a strong correlation between lordosis angle and implant force found. ..
  48. ncbi request reprint Direct comparison of calculated hip joint contact forces with those measured using instrumented implants. An evaluation of a three-dimensional mathematical model of the lower limb
    B W Stansfield
    Bioengineering Unit, University of Strathclyde, Wolfson Centre 106 Rottenrow, Glasgow, Scotland, G4 0NW, UK
    J Biomech 36:929-36. 2003
    ..There was general agreement between the calculated and measured forces in both pattern and magnitude. There were, however, discrepancies. Reasons for these differences in results are discussed and possible model developments suggested...
  49. ncbi request reprint Influence of femoral anteversion on proximal femoral loading: measurement and simulation in four patients
    M O Heller
    , Trauma and Reconstructive Surgery Research Laboratory, Humboldt-University of Berlin, Campus Virchow-Klinikum, Augustenburger Platz 1, 13353 Berlin, Germany
    Clin Biomech (Bristol, Avon) 16:644-9. 2001
    ..RELEVANCE: Detailed musculo-skeletal modelling may allow pre-surgical, patient specific optimisation of loading on implant, bone and soft tissues...
  50. ncbi request reprint Influence of a screw with a hinge on the pull-out force at the cranial end vertebra in ventral derotation spondylodesis (VDS)
    C Klöckner
    Department of Orthopaedics and Orthopaedic Surgery, Friedrich Alexander University, Rathsberger Strasse 57, 91054 Erlangen, Germany
    Arch Orthop Trauma Surg 123:410-3. 2003
    ..It requires an extension of the fusion length or at least reduces the outcome of the correction...
  51. ncbi request reprint ISSLS prize winner: A novel approach to determine trunk muscle forces during flexion and extension: a comparison of data from an in vitro experiment and in vivo measurements
    H J Wilke
    Institute of Orthopaedic Research and Biomechanics, University of Ulm, Ulm, Germany
    Spine (Phila Pa 1976) 28:2585-93. 2003
    ..Disc pressure and fixator load were measured in an in vitro setup and compared to in vivo measurements with the identical transducers from the two groups participating in this study...
  52. ncbi request reprint Determination of muscle loading at the hip joint for use in pre-clinical testing
    M O Heller
    Trauma and Reconstructive Surgery, Charite, Campus Virchow Clinic, Humboldt University of Berlin, Augustenburger Platz 1, Berlin 13353, Germany
    J Biomech 38:1155-63. 2005
    ..It should therefore form the basis for further standardisation of pre-clinical testing by providing a more realistic approximation of physiological loading conditions...
  53. ncbi request reprint Instrumented forceps for measuring tensile forces in the rod of the VDS implant during correction of scoliosis
    C Klöckner
    Department of Orthopaedics and Orthopaedic Surgery, Friedrich Alexander University Erlangen, Germany
    Biomed Tech (Berl) 48:362-4. 2003
    ..In addition, knowledge of the correction forces improves our biomechanical understanding of the spine, especially during correction of scoliosis. Intraoperative force measurement is in no way detrimental to the patient...
  54. ncbi request reprint [Musculoskeletal biomechanics of the knee joint. Principles of preoperative planning for osteotomy and joint replacement]
    M O Heller
    Centrum für Muskuloskeletale Chirurgie, Charite Universitatsmedizin Berlin
    Orthopade 36:628-34. 2007
    ..We propose that optimizing the biomechanical conditions through using these approaches will allow the long-term function of the replaced joint to be significantly enhanced...