Spinal thought 316. A lesion of the long thoracic nerve paralyses the serratus anterior muscle to produce “winged scapula”, when the shoulder blade is drawn back and out on the back. It is a fairy rare injury which may not show up immediately and severity and appearance varies in individual cases. It can present with our without pain. The causes can be physical trauma from a sudden blow or repetitive movements or as a result of medical intervention such as mastectomies or other interventions. It can also be caused by inflamed or enlarged subscapular bursa, or causes such as viral illness, allergic-drug reactions, drug overdoes or toxic exposure. A winged scapula may also be caused by trapezius and rhomboid (the short diagonal muscles between the spine and the scapula) the palsy involving the accessory nerve and the dorsal scapular nerve respectively. Most commonly winged scapula is due to serratus anterior palsy bit it can also involve direct injuries to rhomboid or trapezius or structural abnormalities. Look after yourself, look after your spine.
Posted on: Fri, 14 Nov 2014 21:19:46 +0000
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