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Peripheral nerve lesions
Published in Hani Ts Benamer, Essential Revision Notes in Clinical Neurology, 2017
➤ The causes of ulnar nerve entrapment at the elbow are: ➣ chronic compression due to old fracture, or dislocation at the elbow or osteoarthritic change➣ acute compression due to fracture or after general anaesthesia➣ occupational (e.g. painters, bricklayers and secretaries)➣ part of mononeuritis multiplex.
The neck
Published in Ashley W. Blom, David Warwick, Michael R. Whitehouse, Apley and Solomon’s System of Orthopaedics and Trauma, 2017
Nerve entrapment syndromes Median or ulnar nerve entrapment may also give rise to intermittent symptoms of pain and paraesthesia in the hand. Typically, symptoms are worse at night and may be postural. Careful examination will show that the changes follow a peripheral nerve rather than a nerve root distribution. In doubtful cases, nerve conduction studies and electromyography will help to establish the diagnosis. Remember, though, that the patient
The Small Intestine (SI)
Published in Narda G. Robinson, Interactive Medical Acupuncture Anatomy, 2016
Ulnar nerve entrapment at the elbow accounts for 20% of focal neuropathies, making it the second most common entrapment neuropathy.8 Acupuncturists should keep this in mind, because when treating weakness of the ulnar-innervated hand muscles, one should determine the source of nerve injury and not only the result. Patients with ulnar nerve entrapment at the elbow exhibit sensory disturbances along ulnar nerve territory, elbow pain, and weakness in the intrinsic hand muscle supplied by the ulnar nerve. The adductor digiti minimi, i.e., the 3rd palmar interosseous muscle, often displays more weakness than the abductor digiti minimi; this causes Wartenberg’s sign where the little finger remains abducted. The pattern and extent of motor compromise correspond to the components of the ulnar nerve that are damaged. In other cases, the pinky may “override” the ring finger, when tone in the adductor overrides that of the abductor.
The external elbow measure as surrogate of the anatomical width of cubital groove and possible risk factor of ulnar neuropathy at the elbow
Published in International Journal of Neuroscience, 2020
Mauro Mondelli, Claudia Vinciguerra, Stefano Lazzeretti, Palma Ciaramitaro, Francesco Sicurelli, Giuseppe Greco, Stefano Giorgi, Alessandro Aretini
During the flexo-extension movements of the elbow the ulnar nerve is at risk of damage because subjected to traction, compression and friction forces. If WCG is anatomically small, the probability of ulnar nerve damage may increase. We demonstrated that a short WCG is potentially risk factors of UNE. Many studies were published on US of the ulnar nerve in UNE [40,42–44], but no authors designed expressly a study to identify the relationship between the ulnar nerve and the anatomical dimensions of the site where the nerve runs at elbow in UNE subjects and controls. Further dynamic US studies may be useful to confirm our findings. Because we measured CGW only with elbow flexed at 90°, further dynamic US studies are necessary because CGW modifies according to flexion degree of the elbow like ulnar nerve dimension and the depth of the groove is impossible to measure with caliper. Therefore, the differences of CGW between cases and controls may be different based on the degree of elbow flexion and the risk may change. In addition, WCG may have a different weight as a risk factor according to the location of UNE; different therapeutic approaches were recently proposed: surgical release for ulnar nerve entrapment at Osborne ligament and conservative treatment for external nerve compression at retroepicondylar groove [41]. Finally, we will study relations between narrower WCG, lifestyle and occupational factors, especially related to non-neutral elbow postures, in a larger UNE sample.
Effect of dry needling on cubital tunnel syndrome: Three case reports
Published in Physiotherapy Theory and Practice, 2019
Sudarshan Anandkumar, Murugavel Manivasagam
Peripheral nerve entrapments typically occur at mechanical interfaces in the upper extremity. The most common entrapment is of the median nerve at the carpal tunnel (Ibrahim, Khan, Goddard, and Smitham, 2012). Ulnar nerve entrapment is the second most common entrapment neuropathy and may occur at the wrist, thoracic outlet, or elbow (Elhassan and Steinmann, 2007). In the elbow, ulnar nerve entrapment occurs at the cubital tunnel and was described as “cubital tunnel syndrome” cubital tunnel syndrome by Feindel and Stratford in 1958 (Wojewnik and Bindra, 2009). Other nomenclatures that have previously been used to describe this entrapment are “ulnar nerve entrapment syndrome,” “sulcus ulnaris syndrome,” and “tardive ulnar neuritis” (Assmus, Antoniadis, and Bischoff, 2015; Qing et al., 2014).