References
- Antony NT, Keir PJ. 2010. Effects of posture, movement and hand load on shoulder muscle activity. J Electromyogr Kines. 20:191–198.10.1016/j.jelekin.2009.04.010
- Bao S, Mathiassen SE, Winkel J. 1995. Normalizing upper trapezius EMG amplitude: comparison of different procedures. J Electromyogr Kines. 5:251–257.10.1016/1050-6411(95)00011-9
- Boettcher CE, Ginn KA, Cathers I. 2008. Standard maximum isometric voluntary contraction tests for normalizing shoulder muscle EMG. J Orthop Res. 26:1591–1597.
- Chopp JN, Fischer SL, Dickerson CR. 2010. On the feasibility of obtaining multiple muscular maximum voluntary excitation levels from test exertions: a shoulder example. J Electromyogr Kines. 20:896–902.10.1016/j.jelekin.2009.10.002
- Dark A, Ginn KA, Halaki M. 2007. Shoulder muscle recruitment patterns during commonly used rotator cuff exercises: an electromyography study. Phys Ther. 87:1039–1046.10.2522/ptj.20060068
- De Luca CJ. 1997. The use of surface electromyography in biomechanics. J Appl Biomech. 13:135–163.10.1123/jab.13.2.135
- Ekstrom RA, Soderberg GL, Donatelli RA. 2005. Normalization procedures using maximum voluntary isometric contractions for the serratus anterior and trapezius muscles during surface EMG analysis. J Electromyogr Kines. 15:418–428.10.1016/j.jelekin.2004.09.006
- Fischer SL, Grewal TJ, Wells R, Dickerson CR. 2011. Effect of bilateral versus unilateral exertion tests on maximum voluntary activity and within-participant reproducibility in the shoulder. J Electromyogr Kines. 21:311–317.10.1016/j.jelekin.2010.05.002
- Fleiss JL. 1986. The design and analysis of clinical experiments. Toronto: Wiley.
- Hodder JN, Keir PJ. 2013. Obtaining maximum muscle excitation for normalizing shoulder electromyography in dynamic contractions. J Electromyogr Kines. 23:1166–1173.10.1016/j.jelekin.2013.06.012
- Jonsson B. 1978. Kinesiology-with special reference to electromyographic kinesiology. Contemp Clin Neurophysiol EGG Suppl No. 34:417–428.
- Kelly BT, Kadrmas WR, Kirkendall DT, Speer KP. 1996. Optimal normalization tests for shoulder muscle activation: An electromyographic study. J Orthop Res. 14:647–653.10.1002/(ISSN)1554-527X
- Mathiassen SE, Winkel J, Hägg GM. 1995. Normalization of surface EMG amplitude from the upper trapezius muscle in ergonomic studies-A review. J Electromyogr Kines. 5:197–226.10.1016/1050-6411(94)00014-X
- Nieminen H, Takala EP, Viikari-Juntura E. 1993. Normalization of electromyogram in the neck-shoulder region. Eur J Appl Physiolo. 67:199–207.10.1007/BF00864215
- Öberg T, Sandsjö L, Kadefors R. 1990. Electromyogram mean power frequency in non-fatigued trapezius muscle. Eur J Appl Physiolo. 61:362–369.
- Öberg T, Sandsjö L, Kadefors R. 1994. Subjective and objective evaluation of shoulder muscle fatigue. Ergonomics. 37:1323–1333.
- Rota S, Rogowski I, Champely S, Hautier C. 2013. Reliability of EMG normalization methods for upper-limb muscles. J Sport Sci. 31:1696–1704.10.1080/02640414.2013.796063
- Veiersted KB. 1991. The reproducibility of test contraction for calibration of electromyographic measurements. Eur J Appl Physiolo. 62:91–98.10.1007/BF00626762
- Waite DL, Brookham RL, Dickerson CR. 2010. On the suitability of using surface electrode placements to estimate muscle activity of the rotator cuff as recorded by intramuscular electrodes. J Electromyogr Kines. 20:903–911.10.1016/j.jelekin.2009.10.003
- Yang JF, Winter DA. 1983. Electromyography reliability in maximum and submaximum isometric contractions. Arch Phys Med Rehabil. 64:417–420.