Trapezius muscle is a broad triangular muscle at neck and upper back, one of the largest superficial muscles at the back. It attaches to the base of the skull and extends down to the neck, the upper back until mid back; laterally it inserts to the shoulder blades. There are three functional regions to the muscle: the Upper, middle, and lower trapezius, and each region has its own function: upper region moves the shoulder blades and support the arms; the middle region retracts the shoulder blades and the lower region rotates and depresses the shoulder blades.
Pain caused from the upper trapezius includes headaches on the temples, facial, temple or jaw pain, pain behind the eye, dizziness, neck pain, stiff neck, limited movement, intolerance to weight on the shoulders. Pain caused by middle trapezius includes headache at the base of the skull, mid back burning pain or aching along the spine or to the top of the shoulder. Pain caused from the lower trapezius includes headache at the base of the skull, aching on the top of the shoulder, neck, mid back and/or upper shoulder pain; pain at the back of the shoulder blade which could go down the inside of the arm to the ring and little fingers.
A recent research investigated immediate effect of acupuncture on electromyographic activity of the upper trapezius muscle and pain in patients with nonspecific neck pain. Fifteen patients with nonspecific neck pain and 15 healthy participants participated the study. They received one session either acupuncture or sham acupuncture as a control. The electromyography (EMG) signal of the upper trapezius muscle was recorded before and after acupuncture treatment. After acupuncture treatment, pain was significantly reduced and significant decreases in the EMG amplitude were identified for the nonspecific neck pain group. This research suggested that muscle fatigue and decrease of activity of the upper trapezius muscle was found in nonspecific neck pain patients. Acupuncture contributes to pain relief among patients with nonspecific neck pain.
Calamita SAP et al J Manipulative Physiol Ther. 2018 Mar - Apr;41(3):208-217. doi: 10.1016/j.jmpt.2017.09.006.
Welcome to my blog, discover acupuncture with Dr Maggie Ju
Qualified as a medical doctor in Western medicine in China with a Medical degree from Beijing, China and a PhD degree from the UK. Many year research and clinical experiences. This blog is for information only.
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