The Scapholunate Interosseous Ligament Afferent Proprioceptive Pathway: A Human In Vivo Experimental Study

Vekris, Marios D.; Mataliotakis, George I.; Beris, Alexander

doi:10.1016/j.jhsa.2010.10.002

Cited by 17 publications

(11 citation statements)

References 51 publications

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“…Recent studies on the scapholunate ligament propose that the dynamic neuromuscular stability of the scapholunate joint depends on the innervation of mechanoreceptors and nerve endings in the joint capsule and ligaments, 6,7 which transmit afferent information through the nerves innervating the wrist joint, 8 resulting in alterations of wrist muscle function. 9,10 This suggests the intact proprioceptive function is important in maintaining stability of the scapholunate joint.…”

mentioning

confidence: 99%

Innervation Patterns of Thumb Trapeziometacarpal Joint Ligaments

Hagert

Lee

Ladd

2012

The Journal of Hand Surgery

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mentioning

confidence: 99%

Innervation Patterns of Thumb Trapeziometacarpal Joint Ligaments

Hagert

Lee

Ladd

2012

The Journal of Hand Surgery

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“…Similarly, sectioning of the SLIL significantly reduced the afferent sensory action potential signals through the median and radial nerve (Vekris et al, 2011). These findings show that denervation of the anterior and/or PINs will have adverse effects on the unconscious neuromuscular control of the wrist joint.…”

Section: Proprioception and Neuromuscular Control Of The Carpus Unconmentioning

confidence: 61%

“…If the SLIL was desensitized, by anaesthetizing the PIN that innervates the ligament, a significant loss of these joint protective reflexes was noted (Hagert and Persson, 2010) (Figure 3). Similarly, sectioning of the SLIL significantly reduced the afferent sensory action potential signals through the median and radial nerve (Vekris et al, 2011). These findings show that denervation of the anterior and/or PINs will have adverse effects on the unconscious neuromuscular control of the wrist joint.…”

Section: Proprioception and Neuromuscular Control Of The Carpusmentioning

confidence: 99%

“…Since the innervation of the wrist joint has been shown to be important for an adequate neuromuscular reflex control (Hagert et al, 2009; Vekris et al, 2011), and the fact that denervation of the joint radically diminishes these reflexes (Hagert, 2010a), any surgery done in the carpus should be meticulously performed to minimize damage to the innervation of the wrist joint, using nerve-sparing surgical approaches to the wrist (Hagert et al, 2010).…”

Section: Clinical Applications Of Proprioceptionmentioning

confidence: 99%

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The role of proprioception and neuromuscular stability in carpal instabilities

Hagert

Lluch

Rein

2015

J Hand Surg Eur Vol

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Carpal stability has traditionally been defined as dependent on the articular congruity of joint surfaces, the static stability maintained by intact ligaments, and the dynamic stability caused by muscle contractions resulting in a compression of joint surfaces. In the past decade, a fourth factor in carpal stability has been proposed, involving the neuromuscular and proprioceptive control of joints. The proprioception of the wrist originates from afferent signals elicited by sensory end organs (mechanoreceptors) in ligaments and joint capsules that elicit spinal reflexes for immediate joint stability, as well as higher order neuromuscular influx to the cerebellum and sensorimotor cortices for planning and executing joint control. The aim of this review is to provide an understanding of the role of proprioception and neuromuscular control in carpal instabilities by delineating the sensory innervation and the neuromuscular control of the carpus, as well as descriptions of clinical applications of proprioception in carpal instabilities.

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“…The SL ligament was found to generate proprioceptive stimuli at every wrist position, which was reduced in intensity after division. 19 Studies on in vivo wrist joint proprioception using electromyography (EMG) 16 and SAP 19 have shown that the wrist has distinct patterns of reflex activation following disturbance of the SL ligament. Within 20 milliseconds of joint perturbation, antagonist muscles are activated, indicating fast joint-protective reflexes through monosynaptic spinal control.…”

Section: The Scapholunate Proprioceptive Pathwaysmentioning

confidence: 99%

Scapholunate Instability: Proprioception and Neuromuscular Control

2013

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From a kinetic point of view, the wrist is considered stable when it is capable of resisting load without suffering injury. Several prerequisites are necessary for the wrist to be kinetically stable: bone morphology, normal articulating surfaces, ligaments, the sensorimotor system, the muscles crossing the wrist, and all nerves connecting to ligaments and muscles. Failure of any one of these factors may result in carpal instability. The terms ?scapholunate (SL) dissociation? and ?SL instability? refer to one of the most frequent types of wrist instability, resulting from rupture or attenuation of the SL supporting ligaments. From a radiologic point of view, SL instability may be dynamic or static. Unlike static instabilities, which tend to be painful and dysfunctional, a good proportion of dynamic SL instabilities remain asymptomatic and stable for prolonged periods of time. Such a lack of symptoms suggests that a ligament rupture, in itself, is not enough for a joint to become unstable. Certainly, the process of achieving stability is multifactorial and involves normal joint surfaces, ligaments, muscles, and a complex network of neural connections linking all these elements. In this article, we will review the neuromuscular stabilization of the SL joint and the proprioceptive mechanisms that contribute to the dynamic carpal stabilization.

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The Scapholunate Interosseous Ligament Afferent Proprioceptive Pathway: A Human In Vivo Experimental Study

Cited by 17 publications

References 51 publications

Innervation Patterns of Thumb Trapeziometacarpal Joint Ligaments

Innervation Patterns of Thumb Trapeziometacarpal Joint Ligaments

The role of proprioception and neuromuscular stability in carpal instabilities

Scapholunate Instability: Proprioception and Neuromuscular Control

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