Anatomy and Biomechanics of Scapholunate Ligament

2021 ◽  
pp. 633-640
Author(s):  
Nicholas Chang ◽  
Nina Suh
Keyword(s):  
Scapholunate Ligament

The Use of Contact Biomechanics to Study the Intact, Proximal Row Carpectomy and Scaphoid Excision, Four Bone Fusion Wrist

2020 ◽  
Vol 16 (3) ◽  
pp. 189-193
Author(s):  
David H. Wei ◽  
Peter Tang
Keyword(s):  
Proximal Row Carpectomy ◽  
Scapholunate Ligament ◽  
Bone Fusion ◽  
Pressure Sensitive ◽  
Sensitive Film ◽  
Radiocarpal Joint ◽  
Pressure Sensitive Film ◽  
Number Of Authors

The study of contact biomechanics of the wrist is a challenge. This is partly due to the relatively small size of the joint as well as the lack of space in the radiocarpal joint which makes the delivery of investigative materials such as pressure sensitive film without causing artifact, difficult. Fortunately, a number of authors have studied the intact wrist, the scapholunate ligament injured wrist, the proximal row carpectomy and the scaphoid excision, four bone fusion. Despite some contrasting findings, there are some general concepts that we understand about wrist mechanics.

scholarly journals Motion and Strength Analysis of 2-Tine Staple and K-Wire Fixation in Scapholunate Ligament Stabilization in a Cadaver Model

2021 ◽  
Vol 3 (2) ◽  
pp. 67-73
Author(s):  
Daniel Hess ◽  
Anthony Archual ◽  
Zachary Burnett ◽  
Hans Prakash ◽  
Emily Dooley ◽  
...  
Keyword(s):  
Strength Analysis ◽  
Scapholunate Ligament ◽  
Wire Fixation

scholarly journals Kinematic analysis of two scapholunate ligament reconstruction techniques

2021 ◽  
Vol 29 (2) ◽  
pp. 230949902110258
Author(s):  
Seungbum Chae ◽  
Junho Nam ◽  
Il-Jung Park ◽  
Steven S. Shin ◽  
Michelle H. McGarry ◽  
...  
Keyword(s):  
Kinematic Analysis ◽  
Clinical Relevance ◽  
Ligament Reconstruction ◽  
Operative Time ◽  
Efficient Technique ◽  
Scapholunate Ligament ◽  
Interosseous Ligament ◽  
Flexion Extension

Purpose: This study compares the kinematic changes after the procedures for scapholunate interosseous ligament (SLIL) reconstruction—the modified Brunelli technique (MBT) and Mark Henry’s technique (MHT). Methods: Ten cadaveric wrists were used. The scapholunate (SL) interval and angle and radiolunate (RL) angle were recorded using the MicroScribe system. The SL interval was measured by dividing the volar and dorsal portions. Four motions of the wrist were performed—neutral, flexion, extension, and clenched fist (CF) positions—and compared among five conditions: (1) intact wrist, (2) volar SLIL resection, (3) whole SLIL resection, (4) MBT reconstruction, and (5) MHT reconstruction. Results: Under the whole SLIL resection condition, the dorsal SL intervals were widened in all positions. In all positions, the dorsal SL intervals were restored after MBT and MHT. The volar SL interval widened in the extension position after volar SLIL resection. The volar SL interval was not restored in the extension position after MBT and MHT. The SL angle increased in the neutral and CF positions under the whole SLIL resection condition. The SL angle was not restored in the neutral and CF positions after MBT and MHT. The RL angle increased in the neutral and CF positions under the whole SLIL resection condition. The RL angle was not restored in the neutral and CF positions after MBT and MHT. Conclusion: The MBT and MHT may restore the dorsal SL interval. No significant differences in restoration of the SL interval between MBT and MHT were found in the cadaveric models. Clinical relevance: No significant differences between MBT and MHT were found in the cadaveric models for SLIL reconstruction. When considering the complications due to volar incision and additional procedures in MHT, MBT may be a more efficient technique in terms of operative time and injury of the anterior structures during surgery, but further research is needed.

RADIOGRAPHIC SIGNS OF STATIC CARPAL INSTABILITY WITH DISTAL END RADIUS FRACTURES: IS CURRENT TREATMENT ADEQUATE?

Hand Surgery ◽  
2012 ◽  
Vol 17 (03) ◽  
pp. 325-330 ◽  
Author(s):  
D. L. J. Bunker ◽  
G. Pappas ◽  
P. Moradi ◽  
M. B. Dowd
Keyword(s):  
Current Treatment ◽  
Carpal Instability ◽  
Radiographic Study ◽  
Scapholunate Ligament ◽  
Radius Fractures ◽  
Distal Radial Fractures ◽  
Middlesex Hospital ◽  
Wrist Instability ◽  
Before And After

Patients presenting with distal end radius fractures may have concomitant carpal instability due to disruption of the scapholunate ligament. This study examined the incidence of static radiographic signs of carpal instability in patients with distal radial fractures before and after fracture treatment. We performed a retrospective radiographic study of 141 patients presenting to Central Middlesex Hospital, London between January 2002–May 2004 with distal end radius fractures. We used abnormal scapholunate angle as the primary indicator of possible carpal dissociation. Abnormal scapholunate angles were noted in 39% of patients at presentation and 35% of patients after treatment with no statistically significant intra-patient variability. Persistent static radiographic signs of carpal instability are high in this subset of patients. The long-term morbidity of persistent wrist instability may be avoided by early radiological diagnosis with clinical correlation to identify carpal ligament injuries and initiate treatment that addresses both the bony and ligamentous components of the injury.

Incidence of Scapholunate Ligament Dissociation in Patients With Aspiration-Confirmed Gout

2010 ◽  
Vol 35 (12) ◽  
pp. 1938-1942 ◽  
Author(s):  
John D. Beck ◽  
John H. Deegan ◽  
John T. Riehl ◽  
Joel C. Klena
Keyword(s):  
Scapholunate Ligament

Lunate morphology: association with the severity of scapholunate ligament injuries and carpal instability patterns

2021 ◽  
pp. 1-9
Author(s):  
Katarzyna Rachunek ◽  
Fabian Springer ◽  
Maja Barczak ◽  
Theodora Wahler ◽  
Adrien Daigeler ◽  
...  
Keyword(s):  
Carpal Instability ◽  
Scapholunate Ligament ◽  
Ligament Injuries

scholarly journals The Scapholunate Ligament Complex

2013 ◽  
Vol 02 (03) ◽  
pp. 282-282
Author(s):  
José Branco
Keyword(s):  
Scapholunate Ligament

Biomechanical properties of the scapholunate ligament and the importance of its portions in the capitate intrusion injury

2011 ◽  
Vol 26 (8) ◽  
pp. 819-823 ◽  
Author(s):  
Fotios V. Nikolopoulos ◽  
Emmanuel P. Apergis ◽  
Apostolos D. Poulilios ◽  
Panayiotis J. Papagelopoulos ◽  
Aristides V. Zoubos ◽  
...  
Keyword(s):  
Biomechanical Properties ◽  
Scapholunate Ligament

scholarly journals Po laivelio pseudoartrozės įvykusio riešo kolapso eiga ir gydymas

2003 ◽  
Vol 1 (4) ◽  
pp. 0-0
Author(s):  
Arūnas Jankauskas
Keyword(s):  
Treatment Plan ◽  
Scaphoid Nonunion ◽  
Scapholunate Ligament ◽  
Carpal Collapse ◽  
Complete Excision ◽  
Joint Surfaces ◽  
Degenerative Arthrosis ◽  
Three Stages ◽  
Midcarpal Joint ◽  
Midcarpal Arthrodesis

Arūnas JankauskasVilniaus universiteto Ortopedijos, traumatologijosir plastinės chirurgijos klinikaVilniaus greitosios pagalbos universitetinė ligoninėŠiltnamių g. 29, LT-2043 VilniusEl paštas: [email protected] Esant nestabiliai laivelio pseudoartrozei, riešo sąnarys neišvengiamai deformuojasi, prasideda artrozė ir sumažėja sąnario aukštis. Tokia riešo sąnario būklė vadinama riešo kolapsu. Degeneraciniai pokyčiai pasireiškia varginamais skausmais, kontraktūra ir plaštakos jėgos susilpnėjimu. Artrozė prasideda ties stipinkaulio yline atauga ir pasiekusi antrą stadiją išplinta stipininiame laivelio sąnaryje. Trečios stadijos artrozė pažeidžia riešo vidurinį sąnarį, tačiau stipininis mėnulio sąnarys lieka nepakitęs. Dėl antros ir trečios stadijos artrozės išplitimo rekonstruoti laivelį netikslinga. Reikia likviduoti artrozės židinius ir stabilizuoti riešo sąnarį taisyklingoje padėtyje. Pašalinamas laivelis ir atkuriamas riešo aukštis. Atliekama riešo vidurinio sąnario artrodezė. Stipininio mėnulio sąnario judesiai išsaugomi. Prasminiai žodžiai: laivelio pseudoartrozė, riešo kolapsas, riešo vidurinio sąnario artrodezė Scaphoid nonunion advanced collapse: development and treatment plan Arūnas Jankauskas Longstanding and untreatet scaphoid nonunion leads to painful destruction of the wrist with carpal collapse (scaphoid nonunion advanced collapse). The severity of degenerative arthrosis is classified into three stages and can be treated operatively. The reconstruction of the scaphoid or scapholunate ligament in stages II and III is not a reasonable option. With complete excision of the scaphoid and fusion of the midcarpal joint, all arthritic joint surfaces are eliminated and motion is preserved in the radiolunate joint, which is usually spared of degenerative changes. Keywords: scaphoid nonunion, carpal collapse, midcarpal arthrodesis

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