References
- Akima H, Ushiyama JI, Kubo J, et al. Effect of unloading on muscle volume with and without resistance training. Acta Astronautica. 2007;60(8-9):728-736. https://doi.org/10.1016/j.actaastro.2006.10.006
- Akuthota V, Ferreiro A, Moore T, et al. Core stability exercise principles. Current sports medicine reports. 2008;7(1):39-44. https://doi.org/10.1097/01.CSMR.0000308663.13278.69
- Akuthota V, Nadler SF. Core strengthening1. Archives of physical medicine and rehabilitation. 2004;85:86-92. https://doi.org/10.1053/j.apmr.2003.12.005
- Brill P, Couzens GS. The core program: fifteen minutes a day that can change your life. New York. Bantam. 2008.
- Cholewicki J, Panjabi MM, Khachatryan A. Stabilizing function of trunk flexor-extensor muscles around a neutral spine posture. Spine. 1997;22(19):2207-2212. https://doi.org/10.1097/00007632-199710010-00003
- Czaprowski D, Afeltowicz A, Gebicka A, et al. Abdominal muscle EMG-activity during bridge exercises on stable and unstable surfaces. Physical Therapy in Sport. 2014;15(3):162-168. https://doi.org/10.1016/j.ptsp.2013.09.003
- Ekstrom RA, Donatelli RA, Carp KC. Electromyographic analysis of core trunk, hip, and thigh muscles during 9 rehabilitation exercises. Journal of orthopaedic & sports physical therapy. 2007;37(12):754-762. https://doi.org/10.2519/jospt.2007.2471
- Handzel TM. Core training for improved performance. NSCA's Performance Training Journal. 2003;2(6):26-30.
- Hemborg B, Moritz U, Hamberg J, et al. Intraabdominal pressure and trunk muscle activity during lifting--effect of abdominal muscle training in healthy subjects. Scandinavian journal of rehabilitation medicine. 1983;15(4):183-196.
- Hibbs AE, Thompson KG, French D, et al. Optimizing performance by improving core stability and core strength. Sports medicine. 2008;38(12):995-1008. https://doi.org/10.2165/00007256-200838120-00004
- Hides J, Stanton W, McMahon S, et al. Effect of stabilization training on multifidus muscle cross-sectional area among young elite cricketers with low back pain. Journal of orthopaedic & sports physical therapy. 2008;38(3):101-108. https://doi.org/10.2519/jospt.2008.2658
- Hodges PW. The role of the motor system in spinal pain: implications for rehabilitation of the athlete following lower back pain. Journal of Science and Medicine in Sport. 2000;3(3):243-253. https://doi.org/10.1016/S1440-2440(00)80033-X
- Hodges PW. Core stability exercise in chronic low back pain. Orthopedic Clinics. 2003;34(2):245-254.
- Hodges PW, Richardson CA. Contraction of the abdominal muscles associated with movement of the lower limb. Physical therapy. 1997;77(2):132-142. https://doi.org/10.1093/ptj/77.2.132
- Kang JH, Shim JH. Comparison of trunk muscles thickness in three different bridge exercises by ultrasound fusion imaging. Journal of the Korea Convergence Society. 2015;6(5):123-130. https://doi.org/10.15207/JKCS.2015.6.5.123
- Kapandji AI. The physiology of the joints, volume 3: the spinal column, pelvic girdle and head. Edinburgh. Churchill Livingstone. 2008.
- Kermode F. Benefits of utilising real-time ultrasound imaging in the rehabilitation of the lumbar spine stabilising muscles following low back injury in the elite athlete a single case study. Physical Therapy in Sport. 2004;5(1):13-16. https://doi.org/10.1016/j.ptsp.2003.08.001
- Kibler WB, Press J, Sciascia A. The role of core stability in athletic function. Sports medicine. 2006;36(3):189-198. https://doi.org/10.2165/00007256-200636030-00001
- Ko MG, Song, CH. Comparison of the effects of different core exercise on muscle activity and thickness in healthy young adults. Physical Therapy Rehabilitation Science. 2018;7(2):72-77. https://doi.org/10.14474/ptrs.2018.7.2.72
- Kong YS, Cho YH, Park JW. Changes in the activities of the trunk muscles in different kinds of bridging exercises. Journal of physical therapy science. 2013;25(12):1609-1612. https://doi.org/10.1589/jpts.25.1609
- Lee J, Jeong K, Lee H, et al. Comparison of three different surface plank exercises on core muscle activity. Physical Therapy Rehabilitation Science. 2016;5(1):29-33. https://doi.org/10.14474/ptrs.2016.5.1.29
- Lehman GJ, Hoda W, Oliver S. Trunk muscle activity during bridging exercises on and off a swissball. Chiropractic & osteopathy. 2005;13(1):14. https://doi.org/10.1186/1746-1340-13-14
- McGill S, Juker D, Kropf P. Appropriately placed surface EMG electrodes reflect deep muscle activity (psoas, quadratus lumborum, abdominal wall) in the lumbar spine. Journal of biomechanics. 1996;29(11):1503-1507. https://doi.org/10.1016/0021-9290(96)84547-7
- McMeeken J, Beith I, Newham D, et al. The relationship between EMG and change in thickness of transversus abdominis. Clinical Biomechanics. 2004;19(4):337-342. https://doi.org/10.1016/j.clinbiomech.2004.01.007
- Mitchell DA, Esler DM. Pelvic instability: painful pelvic girdle in pregnancy. Australian family physician. 2009;38(6):409.
- Moon HJ, Goo BO. The effect of change in transversus abdominis thickness using ultrasound image during a hip adductor contraction. Journal of the Korean Society of Physical Medicine. 2011;6(3):287-292.
- O'sullivan PB, Phyty GDM, Twomey LT, et al. Evaluation of specific stabilizing exercise in the treatment of chronic low back pain with radiologic diagnosis of spondylolysis or spondylolisthesis. Spine. 1997;22(24):2959-2967. https://doi.org/10.1097/00007632-199712150-00020
- Panjabi MM. Clinical spinal instability and low back pain. Journal of electromyography and kinesiology. 2003;13(4):371-379. https://doi.org/10.1016/S1050-6411(03)00044-0
- Park Dj. The effect of real-time ultrasound imaging feedback during abdominal hollowing in four point kneeling to healthy men. Journal of Korean Society of Physical Therapy. 2010;22(6):1-6.
- Saghaei, M. Random allocation software for parallel group randomized trials. BMC medical research methodology. 2004;4(1):26. https://doi.org/10.1186/1471-2288-4-26
- Schellenberg KL, Lang JM, Chan KM, et al. A clinical tool for office assessment of lumbar spine stabilization endurance: prone and supine bridge maneuvers. American journal of physical medicine & rehabilitation. 2007;86(5):380-386. https://doi.org/10.1097/PHM.0b013e318032156a
- Stokes M, Rankin G, Newham D. Ultrasound imaging of lumbar multifidus muscle: normal reference ranges for measurements and practical guidance on the technique. Manual therapy. 2005;10(2):116-126. https://doi.org/10.1016/j.math.2004.08.013
- Vera-Garcia FJ, BarbadoD, Moya M. Trunk stabilization exercises for healthy individuals. Revista Brasileira de Cineantropometria & Desempenho Humano. 2014;16(2):200-211.