Forces across the middle of the intact clavicle during shoulder motion

Iannolo, Maria; Werner, Frederick W.; Sutton, Levi G.; Serell, Sean M.; VanValkenburg, Scott

doi:10.1016/j.jse.2010.03.016

Cited by 33 publications

(29 citation statements)

References 16 publications

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“…The authors found that the greatest axial compressive force comes during humeral abduction with approximately 145 N of force, while maximum torque was generated during external rotation with approximately 56 N of force, values significantly lower than our presented data for both constructs [19]. With significantly lower forces experienced in an intact clavicle, this may be the reason why there were no differences in union rates or failure rates when 2.7 mm plates were compared to 3.5 mm plates in the clinical setting; the increased flexibility may have also resulted in the trend towards higher functional outcomes in the 2.7 mm group [11].…”

Section: Discussioncontrasting

confidence: 90%

“…Iannolo et al, tested an intact clavicle and measured the forces across the midshaft during multiplanar humeral motion [19]. The authors found that the greatest axial compressive force comes during humeral abduction with approximately 145 N of force, while maximum torque was generated during external rotation with approximately 56 N of force, values significantly lower than our presented data for both constructs [19].…”

Section: Discussioncontrasting

confidence: 57%

“…While our null hypothesis expected no difference between the two constructs in terms of axial stiffness, torsional stiffness, and bending rigidity, our hypothesis was that the lower profile, 2.7 mm construct still experienced stiffness well above the 145 N-m of force experienced at the midshaft of an intact clavicle [19].…”

Section: Introductionmentioning

confidence: 64%

See 2 more Smart Citations

Anteroinferior 2.7-mm versus 3.5-mm plating of the clavicle: A biomechanical study

Pulos

Yoon

Shetye

et al. 2016

Injury

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Section: Discussioncontrasting

confidence: 90%

Section: Discussioncontrasting

confidence: 57%

See 1 more Smart Citation

Anteroinferior 2.7-mm versus 3.5-mm plating of the clavicle: A biomechanical study

Pulos

Yoon

Shetye

et al. 2016

Injury

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show abstract

“…In our opinion, bending tests are essential, since weights lifted by the abducted arm lead to a multiplication of forces according to the laws of leverage at the fracture site [14], which is well simulated by the three-point bending test and has been established in previous work [8,10]. All plates provided stable fixation, reaching on average more than 90 % of load-to-failure values when compared to the intact Sawbone and cadaver clavicle.…”

Section: Discussionmentioning

confidence: 53%

Biomechanical comparison of the Locking Compression superior anterior clavicle plate with seven and ten hole reconstruction plates in midshaft clavicle fracture stabilisation

Eden

Hoelscher-Doht

Frey

et al. 2012

International Orthopaedics (SICOT)

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Purpose The purpose of this study was to characterise the biomechanical properties of the seven hole superior anterior clavicle LCP (locking compression plate) and to compare these with the properties of commonly applied implants used for the stabilisation of clavicular midshaft fractures such as the locking 7-and ten hole reconstruction plate. Methods Twenty-four synthetic clavicles were used. A transverse midshaft fracture was induced. The clavicles were fixed with angle stable clavicle LCPs, seven hole and ten hole reconstruction plates (n08 each). Twenty cycles of axial compression and torsion were performed for each sample, which was followed by 1,000 cycles of three point bending and ultimately bending to failure. Axial, torsional and cantilever bending stiffness were calculated from the data recorded. Results The clavicle LCP showed the highest overall stiffness compared to the seven and ten hole reconstruction plate. Significantly higher stiffness values were found for axial compression and external rotation. In the load-to-failure tests, the ten hole reconstruction plate especially showed early signs of plastic deformation, which might account for early plate insufficiency so frequently observed clinically. Conclusion The results indicate that the clavicle LCP, as compared to the reconstruction plates, leads to superior biomechanical stability in the treatment of midshaft clavicle fractures.

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“…Both conditions applied a total force of 100 N at the distal part of the clavicle [20,21] as illustrated in Fig. 2.…”

Section: Boundary and Loading Conditionsmentioning

confidence: 99%

Finite element analysis of locking plate and two types of intramedullary nails for treating mid-shaft clavicle fractures

Niu

Wong

et al. 2016

Injury

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Forces across the middle of the intact clavicle during shoulder motion

Cited by 33 publications

References 16 publications

Anteroinferior 2.7-mm versus 3.5-mm plating of the clavicle: A biomechanical study

Anteroinferior 2.7-mm versus 3.5-mm plating of the clavicle: A biomechanical study

Biomechanical comparison of the Locking Compression superior anterior clavicle plate with seven and ten hole reconstruction plates in midshaft clavicle fracture stabilisation

Finite element analysis of locking plate and two types of intramedullary nails for treating mid-shaft clavicle fractures

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