[1] Bochenek A, Reicher M; Anatomia człowieka t. 1, Warszawa 2019
[2] Akagi R, Kusama S. Comparison Between Neck and Shoulder Stiffness Determined by Shear Wave Ultrasound Elastography and a Muscle Hardness Meter. Ultrasound Med Biol. 2015 Aug;41(8):2266-71. doi: 10.1016/j.ultrasmedbio.2015.04.001. Epub 2015 May 2. PMID: 25944285
[3] Andersen H, Ge HY, Arendt-Nielsen L, Danneskiold-Samsøe B, Graven-Nielsen T. Increased trapezius pain sensitivity is not associated with increased tissue hardness. J Pain. 2010 May;11(5):491-9. doi: 10.1016/j.jpain.2009.09.017. Epub 2009 Dec 16. PMID: 20015697.
[4] Bhimani, R., Gaugler, J. E., & Felts, J. (2019). Consensus Definition of Muscle Tightness From Multidisciplinary Perspectives. Nursing Research, 69(2), 109–115. doi:10.1097/nnr.0000000000000404
[5] Unglaub Silverthorn D. Fizjologia człowieka. Zintegrowane podejście, Warszawa 2018
[6] Kawczyński A, Mroczek D, Andersen RE, Stefaniak T, Arendt-Nielsen L, Madeleine P. Trapezius viscoelastic properties are heterogeneously affected by eccentric exercise. J Sci Med Sport. 2018 Aug;21(8):864-869. doi: 10.1016/j.jsams.2018.01.005. Epub 2018 Feb 1. PMID: 29395631.
[7] Douglas J, Pearson S, Ross A, McGuigan M. Chronic Adaptations to Eccentric Training: A Systematic Review. Sports Med. 2017 May;47(5):917-941. doi: 10.1007/s40279-016-0628-4. PMID: 27647157.
[8] Heredia-Rizo AM, Petersen KK, Madeleine P, Arendt-Nielsen L. Clinical Outcomes and Central Pain Mechanisms are Improved After Upper Trapezius Eccentric Training in Female Computer Users With Chronic Neck/Shoulder Pain. Clin J Pain. 2019 Jan;35(1):65-76. doi: 10.1097/AJP.0000000000000656. PMID: 30222615.
[9] Andersen, L. L., Andersen, C. H., Skotte, J. H., Suetta, C., Søgaard, K., Saltin, B., & Sjøgaard, G. (2014). High-Intensity Strength Training Improves Function of Chronically Painful Muscles: Case-Control and RCT Studies. BioMed Research International, 2014, 1–11. doi:10.1155/2014/187324
[10] Andersen, L. L., Kjaer, M., Andersen, C. H., Hansen, P. B., Zebis, M. K., Hansen, K., & Sjogaard, G. (2008). Muscle Activation During Selected Strength Exercises in Women With Chronic Neck Muscle Pain. Physical Therapy, 88(6), 703–711. doi:10.2522/ptj.20070304
[11] Heredia-Rizo, A. M., Petersen, K. K., Madeleine, P., & Arendt-Nielsen, L. (2018). Clinical Outcomes and Central Pain Mechanisms are Improved after Upper Trapezius Eccentric Training in Female Computer Users with Chronic Neck/Shoulder Pain. The Clinical Journal of Pain, 1. doi:10.1097/ajp.0000000000000656
[12] Hosseinzadeh M, Andersen OK, Arendt-Nielsen L, Madeleine P. Pain sensitivity is normalized after a repeated bout of eccentric exercise. Eur J Appl Physiol 2013;113(10):2595–602.
[13] Stieven FF, Ferreira GE, de Araújo FX, Angellos RF, Silva MF, da Rosa LHT. Immediate Effects of Dry Needling and Myofascial Release on Local and Widespread Pressure Pain Threshold in Individuals With Active Upper Trapezius Trigger Points: A Randomized Clinical Trial. J Manipulative Physiol Ther. 2021 Feb;44(2):95-102. doi: 10.1016/j.jmpt.2020.07.003. Epub 2021 Jan 9. PMID: 33431282.
[14] Manafnezhad J, Salahzadeh Z, Salimi M, Ghaderi F, Ghojazadeh M. The effects of shock wave and dry needling on active trigger points of upper trapezius muscle in patients with non-specific neck pain: A randomized clinical trial. J Back Musculoskelet Rehabil. 2019;32(5):811-818. doi: 10.3233/BMR-181289. PMID: 30883334.
[15] Tunwattanapong P, Kongkasuwan R, Kuptniratsaikul V. The effectiveness of a neck and shoulder stretching exercise program among office workers with neck pain: a randomized controlled trial. Clin Rehabil. 2016 Jan;30(1):64-72. doi: 10.1177/0269215515575747. Epub 2015 Mar 16. PMID: 25780258.
[16] Moraska AF, Stenerson L, Butryn N, Krutsch JP, Schmiege SJ, Mann JD. Myofascial trigger point-focused head and neck massage for recurrent tension-type headache: a randomized, placebo-controlled clinical trial. Clin J Pain. 2015 Feb;31(2):159-68. doi: 10.1097/AJP.0000000000000091. PMID: 25329141; PMCID: PMC4286457.