Inferior glenohumeral ligament: Geometric and strain-rate dependent properties

Ticker, Jonathan B.; Bigliani, Louis U.; Soslowsky, Louis J.; Pawluk, Robert J.; Flatow, Evan L.; Mow, Van C.

doi:10.1016/s1058-2746(96)80053-x

Cited by 122 publications

(74 citation statements)

References 37 publications

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“…The universal joint allowed the ligament fibers to orient with three degrees of freedom [2]. During all manipulations the ligaments were maintained in an unloaded state and kept moist by spraying them with normal saline [2,14,24,26,32].…”

Section: Methodsmentioning

confidence: 99%

Regional material properties of the human hip joint capsule ligaments

Hewitt

Guilak

Glisson

et al. 2001

Journal Orthopaedic Research

166

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The hip joint capsule functions to constrain translation between the femur and acetabulum while allowing rotational and planar movements. Despite the crucial role it plays in the pathogenesis of hip instability, little is known about its biomechanical properties. The goal of this study was to determine the regional material properties of the iliofemoral and ischiofemoral ligaments of the capsule.Ten human cadaveric specimens of each ligament were tested to failure in tension. The stress at failure, strain at failure, strain energy density at failure, toe-and linear-region elastic moduli, and the Poisson's ratio were measured for each ligament.The strain to failure was greatest in the ischiofemoral ligament, while no significant difference was noted in failure stress by region or ligament. The Young's moduli of elasticity ranged from 76.1 to 285.8 MPa among the different ligaments, and were generally consistent with properties previously reported for the shoulder capsule. The elastic moduli and strain energy density at failure differed by region. No significant differences in Poisson's ratio were found by region or ligament. The average Poisson's ratio was approximately 1.4, consistent with anisotropic behavior of ligamentous tissues.Understanding the material properties of the hip capsule may help the orthopaedic surgeon better understand normal ligament function, and thereby choose a surgical approach or strategy of repair. Furthermore, knowledge of the normal mechanical function of the hip capsule ligaments could assist in the evaluation of the success of a repair.

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Section: Methodsmentioning

confidence: 99%

Regional material properties of the human hip joint capsule ligaments

Hewitt

Guilak

Glisson

et al. 2001

Journal Orthopaedic Research

166

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“…Few experimental studies have been conducted in this field. Nevertheless, the effect of the strain rate on the stress-strain curves has been demonstrated with anterior cruciate ligament (Kennedy et al, 1976), tendons (Haut, 1983;Sanjeevi, 1982), intrinsic and extrinsic wrist ligament (Nowalk and Logan, 1991), incisor periodontal ligament (Chiba and Komatsu, 1993), and inferior glenohumeral ligament (Ticker et al, 1996).…”

Section: Introductionmentioning

confidence: 99%

Viscoelastic constitutive law in large deformations

Pioletti

Rakotomanana

Benvenuti

et al. 1998

Journal of Biomechanics

230

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Traction tests on soft tissues show that the shape of the stress-strain curves depends on the strain rate at which the tests are performed. Many of the constitutive models that have been proposed fail to properly consider the effect of the strain rate when large deformations are encountered. In the present study, a framework based on elastic and viscous potentials is developed. The resulting constitutive law is valid for large deformations and satisfies the principles of thermodynamics. Three parameters -two for the elasticity and one for the viscosity -were enough to precisely fit the non-linear stress-strain curves obtained at different strain rates with human cruciate ligaments and patellar tendons. The identification results then in a realistic, three-dimensional viscoelastic constitutive law. The developed constitutive law can be used regardless of the strain or rotation values. It can be incorporated into a finite element program to model the viscoelastic behavior of ligaments and tendons under dynamic situations.

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“…Recently, 'permanent stretching' of the anterior band of the IGHL, in addition to the Bankart lesion, has been thought to be a meaningful component of the injury. [25][26][27] Precise repair of the Bankart lesion and restoration of the normal, preinjury length of the ligament are important in successful surgical treatment. Unlike any other joint, the attachment of the glenohumeral capsuloligamentous structures includes a fibrocartilaginous labrum which surrounds the periphery of the glenoid.…”

Section: Received 1 June 1998; Accepted After Revision 31 October 1998mentioning

confidence: 99%

“…Anatomical studies of the labrum 28 and the IGHL provide information on their function. 13,16,27 The anatomy of the region of their insertion at the glenoid remains ill understood, although repair of the Bankart lesion is a common procedure in the treatment of instability of the joint. 4,10,17 Our aim was to determine the permanent deformation of the IGHL and to study the histology of its normal attachment to the bone at the glenoid with the shoulder in abduction and full external rotation (the apprehension position).…”

Section: Received 1 June 1998; Accepted After Revision 31 October 1998mentioning

confidence: 99%

The anterior band of the inferior glenohumeral ligament

McMahon

Dettling

Sandusky

et al. 1999

The Journal of Bone and Joint Surgery. British volume

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Surgical treatment for traumatic, anterior glenohumeral instability requires repair of the anterior band of the inferior glenohumeral ligament, usually at the site of glenoid insertion, often combined with capsuloligamentous plication. In this study, we determined the mechanical properties of this ligament and the precise anatomy of its insertion into the glenoid in fresh-frozen glenohumeral joints of cadavers. Strength was measured by tensile testing of the glenoid-soft-tissue-humerus (G-ST-H) complex. Two other specimens of the complex were frozen in the position of apprehension, serially sectioned perpendicular to the plane containing the anterior and posterior rims of the glenoid, and stained with Toluidine Blue.On tensile testing, eight G-ST-H complexes failed at the site of the glenoid insertion, representing a Bankart lesion, two at the insertion into the humerus, and two at the midsubstance. For those which failed at the glenoid attachment the mean yield load was 491.0 N and the mean ultimate load, 585.0 N. At the glenoid region, stress at yield was 7.8 ± 1.3 MPa and stress at failure, 9.2 ± 1.5 MPa. The permanent deformation, defined as the difference between yield and ultimate deformation, was only 2.3 ± 0.8 mm. The strain at yield was 13.0 ± 0.7% and at failure, 15.4 ± 1.2%; therefore permanent strain was only 2.4 ± 1.1%.Histological examination showed that there were two attachments of the anterior band of the inferior glenohumeral ligament at the site of the glenoid insertion. In one, poorly organised collagen fibres inserted into the labrum. In the other, dense collagen fibres were attached to the front of the neck of the glenoid.J Bone Joint Surg [Br] 1999;81-B:406-13.

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Inferior glenohumeral ligament: Geometric and strain-rate dependent properties

Cited by 122 publications

References 37 publications

Regional material properties of the human hip joint capsule ligaments

Regional material properties of the human hip joint capsule ligaments

Viscoelastic constitutive law in large deformations

The anterior band of the inferior glenohumeral ligament

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