• KOL
    • Cervical Spine
    • Manohar M Panjabi
    • Manohar M Panjabi: Influence Statistics

      Manohar M Panjabi

      Manohar M Panjabi

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      Section of Orthopedic Surgery, Yale University School of Medicine, New Haven, CT, USA | Biomechanics Research Laboratory, Department of Orthopaedics and Rehabilitation, Yale ...

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      Manohar M Panjabi:Expert Impact

      Concepts for whichManohar M Panjabihas direct influence:Cervical spine,Lumbar spine,Frontal impact,Neutral zone,Lateral bending,Spinal cord,Axial rotation,Clinical instability.

      Manohar M Panjabi:KOL impact

      Concepts related to the work of other authors for whichfor which Manohar M Panjabi has influence:Cervical spine,Spinal cord,Intervertebral disc,Lateral bending,Axial rotation,Neck pain,Flexion extension.

      KOL Resume for Manohar M Panjabi

      Year
      2012

      Section of Orthopedic Surgery, Yale University School of Medicine, New Haven, CT, USA

      2009

      Biomechanics Research Laboratory, Department of Orthopaedics and Rehabilitation, Yale University, School of Medicine, New Haven, CT, USA

      2007

      Professor Emeritus, Yale University School of Medicine, Department of Orthopaedics and Rehabilitation, Biomechanics Research Laboratory, P.O. Box 208071, New Haven, CT 06520-8071, USA

      From the Biomechanics Research Laboratory, Department of Orthopaedics and Rehabilitation (T.G.M., P.C.I., M.M.P.), Yale University School of Medicine, New Haven, Connecticut; and Department of Orthopaedic Surgery (Y.T.), St. Marianna University School of Medicine, Kanagawa, Japan.

      Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, Conn

      2006

      a Biomechanics Research Laboratory, Department of Orthopaedics and Rehabilitation , Yale University School of Medicine , New Haven , Connecticut , USA

      2005

      From the *Spine Research Center, University of Toledo and Medical University of Ohio, Toledo, OH; †Department of Orthopedics and Rehabilitation, Yale University School of Medicine, New Haven, CT; ‡Commonwealth Orthopedics, Fairfax, VA; and §DePuy Spine, Inc., Raynham, Boston, MA.

      Biomechanics Laboratory, Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, 367 Cedar Street, New Haven, CT 06510, USA

      2004

      From the *Biomechanics Research Laboratory, Department of Orthopedics and Rehabilitation, Yale University School of Medicine, New Haven, Connecticut; and †Department of Orthopaedic Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire.

      Biomechanics Research Laboratory, Department of Orthopedics and Rehabilitation, Yale University School of Medicine, 333 Cedar St., P.O. Box 208071, New Haven, CT 06520-8071, USA

      2003

      Biomechanics Laboratory, Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT 06510, USA

      2002

      Department für Orthopädie und Rehabilitation, Yale-Universität, New Haven, USA, US

      Lengghalde 2, 8008, Zürich, Switzerland

      New Haven, Connecticut

      2001

      From the Biomechanics Laboratory, *Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT, and †Department of Orthopaedics, Yamaguchi University School of Medicine, Ube, Yamaguchi, Japan.

      Biomechanics Laboratory, Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, Connecticut, USA

      2000

      Yale Hand and Upper Extremity Center, Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT

      1999

      Biomechanics Laboratory, Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, P.O. Box 208071, New Haven, CT 06520-8071, USA e-mail: Tel.: +1-203-737 2887, Fax: +1-203-785 7069, US

      Yale University School of Medicine, Department of Orthopaedics and Rehabilitation, New Haven, Connecticut

      1998

      †Biomechanics Laboratory, Department of Orthopaedics & Rehabilitation, Yale University School of Medicine, New Haven, Connecticut; Department of Orthopaedic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin; and Department of Orthopaedics, Allegheny General Hospital, Pittsburgh, Pennsylvania, U.S.A.

      From the Biomechanics Laboratory, Yale University School of Medicine, New Haven, Connecticut.

      Biomechanics Laboratory, Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, P.O. Box 208071, New Haven, CT 06510, USA Tel. +1-203-785 2812; Fax 1+203-785 7069; e-mail: US

      Department of Orthopaedics and Rehabilitation; Yale University School of Medicine; New Haven, Connecticut

      1997

      Biomechanics Laboratory, Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT 06510, U.S.A.

      From the *Department of Orthopaedics and Biomedical Engineering, Case Western Reserve University and the University Hospitals of Cleveland, Cleveland, Ohio, and the †Department of Orthopaedics & Rehabilitation, Yale University School of Medicine, New Haven, Connecticut.

      1996

      From the Department of Traumatology, Nordstadt Hospital, Hannover, Germany, and the Biomechanics Laboratory, Department of Orthopaedics and Rehabilitation, Yale University, School of Medicine, New Haven, Connecticut.

      Department of Orthopaedics and Rehabilitation, Biomechanics Laboratory, Yale University School of Medicine, New Haven, Connecticut 06510, USA.

      1995

      Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, Connecticut, USA

      1994

      Biomechanics Laboratory, Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, Connecticut †Department of Orthopaedic Surgery, Chiba University, Chiba, Japan ‡Spine-Tech, Inc., Minneapolis, Minnesota §Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan.

      Department of Orthopaedics and Rehabilitation, Yale University, School of Medicine, New Haven, Connecticut

      1993

      Yale University, New Haven, Connecticut

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      Sample of concepts for which Manohar M Panjabi is among the top experts in the world.
      Concept World rank
      rotationinput #1
      spinal loading kinematics #1
      tensile spine forces #1
      traumatized specimen #1
      multiplanar soft #1
      extension rom nz #1
      study stiffness protocol #1
      benchtop trauma #1
      instrumentations greater rigidity #1
      c5 fixation #1
      relative motion site #1
      increments spine #1
      deformations 50 #1
      stiffness test protocol #1
      incremental single trauma #1
      window box excision #1
      stabilizers spine #1
      motion lower #1
      highspeed subfailure stretch #1
      vertebrae external #1
      freedom body joint #1
      failure biomechanical #1
      4 external fixators #1
      spine ligament #1
      c7t1 injury threshold #1
      lower vertebra #1
      marker midpoint cri #1
      spinal stability restabilization #1
      restabilization low pain #1
      adjacent unfused levels #1
      ligaments mathematical model #1
      simulated rear #1
      cervical spine pedicles #1
      prodiscl l5s1 #1
      degrees neutral #1
      ligaments cervical spine #1
      range 412 mm #1
      75 newtonmeters #1
      multidirectional testing #1
      direction 03 mm #1
      c5c6 8 simulation #1
      clinically observed failures #1
      ° l5 #1
      thoracic spine region #1
      radiographic quality errors #1
      322485 #1
      average peak loads #1
      thorax force #1
      role bone graft #1
      physiologic strains #1
      Sign-in to see all concepts, it's free!

      Prominent publications by Manohar M Panjabi

      KOL-Index: 16628

      Abstract The increased intra-abdominal pressure (IAP) commonly observed when the spine is loaded during physical activities is hypothsized to increase lumbar spine stability.The mechanical stability of the lumbar spine is an important consideration in low back injury prevention and rehabilitation strategies. This study examined the effects of raised IAP and an abdominal belt on lumbar spine stability. Two hypotheses were tested: (1) An increase in IAP leads to increased lumbar spine ...

      Known for Abdominal Belt | Spine Stability | Trunk Stiffness | Increased Intra | Lateral Bending
      KOL-Index: 14937

      STUDY DESIGN: Finite element model of L3-S1 segment and confirmatory cadaveric testing were used to investigate the biomechanical effects of a mobile core type artificial disc (Charité artificial disc; DePuy Spine, Raynham, MA) on the lumbar spine.

      OBJECTIVE: To determine the effects of the Charité artificial disc across the implanted and adjacent segments.

      SUMMARY OF BACKGROUND DATA: Biomechanical studies of artificial discs that quantify parameters, like the load sharing and stresses, ...

      Known for Artificial Disc | Hybrid Testing Protocol | Facet Loads | Load Control | Adjacent Levels
      KOL-Index: 12415

      An in situ testing model was used to evaluate the performance of zone II flexor tendon repairs and to compare the biomechanical properties of 4-strand repairs with 2- and 6-strand repairs. Fifty digits from human cadaveric hands were mounted in a custom apparatus for in situ tensile testing. Intratendinous metallic markers were placed so that gap formation could be determined by fluoroscopy during tensile testing. Three 4-strand repairs (the 4-strand Kessler, the cruciate, and a locked ...

      Known for Flexor Tendon | Biomechanical Comparison | Tensile Strength | Strand Repairs | Gap Resistance
      KOL-Index: 11758

      STUDY DESIGN: A quick-release method in four directions of isometric trunk exertions was used to study the muscle response patterns in 17 patients with chronic low back pain and 17 matched control subjects.

      OBJECTIVES: It was hypothesized that patients with low back pain would react to sudden load release with a delayed muscle response and would exhibit altered muscle recruitment patterns.

      SUMMARY OF BACKGROUND DATA: A delay in erector spinae reaction time after sudden loading has been ...

      Known for Chronic Low | Healthy Individuals | Muscle Response | Sudden Trunk | Reaction Time
      KOL-Index: 11675

      STUDY DESIGN: This study examined the coactivation of trunk flexor and extensor muscles in healthy individuals. The experimental electromyographic data and the theoretical calculations were analyzed in the context of mechanical stability of the lumbar spine.

      OBJECTIVES: To test a set of hypotheses pertaining to healthy individuals: 1) that the trunk flexor-extensor muscle coactivation is present around a neutral spine posture, 2) that the coactivation is increased when the subject ...

      Known for Extensor Muscles | Healthy Individuals | Mechanical Stability | Neutral Spine | Muscle Coactivation
      KOL-Index: 11661

      STUDY DESIGN: An established rabbit intertransverse process lumbar fusion model was used to evaluate osteogenic protein (OP)-1 as a potential graft substitute.

      OBJECTIVES: To determine whether OP-1 is effective in producing intertransverse process lumbar fusion in a rabbit model.

      SUMMARY OF BACKGROUND DATA: Autogenous iliac crest bone is the gold standard in grafting material for inducing intertransverse process fusion. However, bone graft substitutes are being considered as ...

      Known for Intertransverse Process | Graft Substitute | Manual Palpation | Fusion Bone | Rabbit Model
      KOL-Index: 11283

      STUDY DESIGN: Facet joint kinematics and capsular ligament strains were evaluated during simulated whiplash of whole cervical spine specimens with muscle force replication.

      OBJECTIVES: To describe facet joint kinematics, including facet joint compression and facet joint sliding, and quantify peak capsular ligament strain during simulated whiplash.

      SUMMARY OF BACKGROUND DATA: Clinical studies have implicated the facet joint as a source of chronic neck pain in whiplash patients. Prior in ...

      Known for Facet Joint | Simulated Whiplash | Injury Mechanisms | Capsular Ligament | Background Data
      KOL-Index: 10841

      STUDY DESIGN: An established rabbit posterolateral lumbar fusion model was used to evaluate the ability of osteogenic protein-1 to overcome the inhibitory effect of nicotine.

      OBJECTIVE: To determine whether osteogenic protein-1 should be considered as a bone graft alternative for the patient who smokes.

      SUMMARY OF BACKGROUND DATA: Smoking interferes with the success of posterolateral lumbar fusion. This inhibitory effect has been attributed to nicotine and confirmed in a New Zealand ...

      Known for Posterolateral Lumbar Fusion | Osteogenic Protein1 | New Zealand | Rabbit Model | 5 Weeks
      KOL-Index: 10581

      STUDY DESIGN: The multidirectional stability potential of anterior, posterior, and combined instrumentations applied at L1-L3 was studied after L2 corpectomy and replacement with a carbon-fiber implant.

      OBJECTIVES: To evaluate the biomechanical characteristics of short-segment anterior, posterior, and combined instrumentations in lumbar spine tumor vertebral body replacement surgery.

      SUMMARY OF BACKGROUND DATA: The biomechanical properties of many different spinal instrumentations have ...

      Known for Vertebral Body | Anterior Instrumentation | Range Motion | Neutral Zone | Background Data
      KOL-Index: 9997

      STUDY DESIGN: Whiplash injuries were studied in an experiment using whole cervical spine specimen.

      OBJECTIVES: To develop a whiplash trauma model that uses a whole cervical spine specimen, and to show the feasibility and unique features of such a model.

      SUMMARY OF BACKGROUND DATA: Whiplash trauma has been simulated in biomechanical experiments using volunteers, whole body cadavers, animals, anthropometric dummies, and mathematic models. These experiments require large facilities, are ...

      Known for Whiplash Trauma | Cervical Spine | Background Data | Biomechanical Experiments | Unique Features
      KOL-Index: 9903

      PURPOSE: To assess the biomechanical stability relative to screw length and K-wire augmentation in scaphoid fracture fixation using a flexibility testing protocol and cadaver scaphoids whose soft tissue attachments remained undisturbed. Our hypothesis was 2-fold: increasing screw length and augmenting fixation with a K-wire would improve fracture fragment stability, individually and in combination.

      METHODS: Flexion and extension loading applied through wrist tendons was performed on 10 ...

      Known for Screw Fixation | Scaphoid Fractures | Biomechanical Stability | Distal Pole | Wrist Joint
      KOL-Index: 9871

      STUDY DESIGN: Pedicle fracture was simulated in an in vitro model, and its effect on multidirectional stability provided by pedicle instrumentation was quantified.

      OBJECTIVES: To quantify the multidirectional flexibility of padicle instrumentation due to different iatrogenic pedicle injuries.

      SUMMARY OF BACKGROUND DATA: Misplacement of the screw and iatrogenic pedicle fracture are the main complications of pedicle instrumentation. Despite the increasing number of clinical studies dealing ...

      Known for Thoracic Spine | Range Motion | Neutral Zone | Pedicle Instrumentation | Transpedicular Fixation
      KOL-Index: 9867

      STUDY DESIGN: An in vitro human cadaveric biomechanical study.

      OBJECTIVES: To quantify effects on operated and other levels, including adjacent levels, due to CHARITE disc implantations versus simulated fusions, using follower load and the new hybrid test method in flexion-extension and bilateral torsion.

      SUMMARY OF BACKGROUND DATA: Spinal fusion has been associated with long-term accelerated degeneration at adjacent levels. As opposed to the fusion, artificial discs are designed to ...

      Known for Adjacent Levels | Level Fusion | L5 S1 | Hybrid Testing | Implants Range Motion

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      Section of Orthopedic Surgery, Yale University School of Medicine, New Haven, CT, USA | Biomechanics Research Laboratory, Department of Orthopaedics and Rehabilitation, Yale University, School of Medicine, New Haven, CT, USA | Professor Emeritus, Yal

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