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A Comparison of EMG Activity for Long and Lateral Heads of Triceps Brachii Muscles According to Exercise and Forearm Positions During Triceps Strengthening Exercises  

Kim, Si-Hyun (Dept of Rehabilitation Therapy, The Graduate School, Yonsei University)
Lee, Won-Hwee (Dept of Rehabilitation Therapy, The Graduate School, Yonsei University)
Ha, Sung-Min (Dept of Rehabilitation Therapy, The Graduate School, Yonsei University)
Park, Kyue-Nam (Dept of Rehabilitation Therapy, The Graduate School, Yonsei University)
Kwon, Oh-Yun (Dept of Physical Therapy, College of Health Science, Yonsei University, Dept. of Ergonomic Therapy, The Graduate School of Health and Environment, Yonsei University)
Publication Information
Physical Therapy Korea / v.18, no.1, 2011 , pp. 28-36 More about this Journal
Abstract
The aim of this study was to compare electromyography activity for long and lateral heads of triceps brachii muscle according to forearm positions during different triceps strengthening exercises. The muscle activities for long and lateral head of triceps brachii were measured by surface electromyography. Fifteen healthy volunteers participated for this study and performed elbow extension in three different elbow extension exercises (elbow extension in a supine position; EES, elbow extension with shoulder abduction at 90 degrees in a prone position; EESA, and elbow extension with one arm at the side of the trunk in a prone position; EESP) and forearm positions (supination, neutral, and pronation). A two-way repeated measures ANOVA was used to compare the effects of the exercise positions and forearm positions. The EMG activities of the long head of the triceps brachii increased significantly during EESP with forearm supination, whereas the activity of the lateral head of the triceps brachii increased significantly during EESA with the forearm in a neutral position (p<.05). The results of this study suggest that exercise positions and forearm positions should be considered for selectively strengthening the long and lateral heads of triceps brachii muscles.
Keywords
Electromyography; Forearm position; Lateral head of triceps brachii muscle; Long head of triceps brachii muscle; Triceps strengthening exercise;
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Times Cited By KSCI : 1  (Citation Analysis)
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1 정도헌, 이원휘, 오재섭. 견관절 외전각도와 회전 자세에 따른 대흉근 활성도 비교. 한국전문물리치료학회지, 2010;17(1):1-8.
2 Buchanan TS, Rovai GP, Rymer WZ. Strategies for muscle activation during isometric torque generation at the human elbow. J Neurophysiol. 1989;62(6):1201-1212.   DOI
3 Chang YW, Su FC, Wu HW, et al. Optimum length of muscle contraction. Clin Biomech. 1999;14(8):537-542.   DOI   ScienceOn
4 Cram JR, Kasman GS, Holtz J. Introduction to Surface Electromyography. Maryland, Aspen Pub. 1998.
5 Fees M, Decker T, Snyder-Mackler L, et al. Upper extremity weight-training modifications for the injured athlete. Am J Sports Med. 1998;26(5):732-742.   DOI
6 Fiebert IM, Spielholz NI, Applegate EB, et al. Comparison of EMG activity of medial and lateral hamstrings during isometric contractions at various cuff weight loads. Knee. 2001;8(2):145-150.   DOI   ScienceOn
7 Glousman RE, Barron J, Jobe FW, et al. An electromyographic analysis of the elbow in normal and injured pitchers with medial collateral ligament insufficiency. Am J Sports Med. 1992;20:311-317.   DOI   ScienceOn
8 Gordon KD, Pardo RD, Johnson JA, et al. Electromyographic activity and strength during maximum isometric pronation and supination efforts in healthy adults. J Orthop Res. 2004;22(1):208-213.   DOI   ScienceOn
9 Guo LY, Su FC, Wu HW, et al. Mechanical energy and power flow of the upper extremity in manual wheelchair propulsion. Clin Biomech(Bristol, Avon). 2003;18(2):106-114.   DOI   ScienceOn
10 Hollinshead WH, Rosse C. Textbook of Anatomy. 4th ed. Philadelphia, Harper and Row. 1985.
11 Hislop HJ, Montgomery J. Daniels and Worthingham's Muscle Testing. 6th ed. Philadelphia, PA, W.B. Saunders Co., 1995.
12 Jafarnia K, Gabel GT, Morrey BF. Triceps tendinitis. Oper Tech Sports Med. 2001;9(4):217-221.   DOI   ScienceOn
13 Kendall F, McCreary E, Provance P, et al. Muscle Testing and Function With Posture and Pain. 5ed. Philadelphia, Lippincott Williams & Wilkins, 2005.
14 Kisner C, Colby LA. Therapeutic Exercise: Foundations and techniques. 4th ed. Philadelphia, PA, F.A. Davis Co, 2002.
15 Kitai TA, Sale DG. Specificity of joint angle in isometric training. Eur J Appl Physiol Occup Physiol. 1989:58(7):744-748.   DOI   ScienceOn
16 Kraemer WJ, Ratamess N, Fry AC, et al. Influence of resistance training volume and periodization on physiological and performance adaptations in collegiate women tennis players. Am J Sports Med. 2000;28(5):626-633.   DOI
17 Lehman GJ. The influence of grip width and forearm pronation/supination on upper-body myoelectric activity during the flat bench press. J Strength Cond Res. 2005;19(3):587-591.
18 Louis N, Gorce P. Surface electromyography activity of upper limb muscle during wheelchair propulsion: Influence of wheelchair configuration. Clin Biomech(Bristol, Avon). 2010;25(9):879-885.   DOI   ScienceOn
19 Mohamed O, Perry J, Hislop H. Synergy of medial and lateral hamstrings at three positions of tibial rotation during maximum isometric knee flexion. Knee. 2003;10(3):277-781.   DOI   ScienceOn
20 Morris M, Jobe FW, Perry J, et al. Electromyographic analysis of elbow function in tennis players. Am J Sports Med. 1989;17(2):241-247.   DOI   ScienceOn
21 Mukhopadhyay P, O'Sullivan LW, Gallwey TJ. Upper limb discomfort profile due to intermittent isometric pronation torque at different postural combinations of the shoulder-arm system. Ergonomics. 2009;52(5):584-600.   DOI   ScienceOn
22 Mulroy SJ, Gronley JK, Newsam CJ, et al. Electromyographic activity of shoulder muscles during wheelchair propulsion by paraplegic persons. Arch Phys Med Rehabil. 1996;77(2):187-193.   DOI   ScienceOn
23 Nordin M., Frankel VH. Basic Biomechanics of the Musculoskeletal System. Lippincott Williams & Wilkins, 2001.
24 Raske A, Norlin R. Injury incidence and prevalence among elite weight and power lifters. Am J Sports Med. 2002;30(2):248-256.   DOI
25 Rettig AC, Wurth TR, Mieling P. Nonunion of olecranon stress fractures in adolescent baseball pitchers: A case series of 5 athletes. Am J Sports Med. 2006;34(4):653-656.   DOI   ScienceOn
26 Saharmann SA, Diagnosis and Treatment of Movement Impairment Syndromes. St. Louis, Mosby, 2002.
27 Soderberg GL. Muscle mechanics and pathomechanics. Their clinical relevance. Phys Ther. 1933;63(2):216-220.
28 Staudenmann D, Rudroff T, Enoka RM. Pronation-supination torque and associated electromyographic activity varies during a sustained elbow flexor contraction but does not influence the time to task failure. Muscle Nerve. 2009;40(2):231-239.   DOI   ScienceOn