Contextualising statistical evaluations of pinch force and endurance among young and elderly people using TRIZ techniques

References

• Alam, M. M., A. A. Khan, and M. Farooq. 2020. “Effects of Vibration Therapy on Neuromuscular Efficiency & Features of the Emg Signal Based on Endurance Test.” Journal of Bodywork and Movement Therapies 24 (4): 325–335. doi:10.1016/j.jbmt.2020.06.037.
   PubMed Web of Science ®Google Scholar
• Altshuller, G. 1984. Creativity as an Exact Science. 1st ed. Boca Raton, Florida, United States: CRC Press.
   Google Scholar
• Altshuller, G. 2002. 40 Principles: TRIZ Keys to Technical Innovation. 3rd ed. Worcester, MA: Technical Innovation Centre.
   Google Scholar
• American Academy of Neurology. 1993. “Practice Parameter for Carpal Tunnel Syndrome (Summary Statement).” Neurology 43 (11): 2406–2409. doi:10.1212/WNL.43.11.2406.
   PubMed Web of Science ®Google Scholar
• Aniansson, A., G. Grimby, M. Hedberg, A. Rungren, and L. Sperling. 1978. “Muscle Function in Old Age.” Scandinavian Journal of Rehabilitation Medicine 6: 43–49.
   Google Scholar
• Aniansson, A., L. Sperling, A. Rungren, and E. Lehnberg. 1983. “Muscle Function in 75-Year-Old Men and Women. A Longitudinal Study.” Scandinavian Journal of Rehabilitation Medicine 9: 92–102.
   Google Scholar
• Anton, D., J. Rosecrance, L. Merlino, and T. Cook. 2002. “Prevalence of Musculoskeletal Symptoms and Carpal Tunnel Syndrome among Dental Hygienists.” American Journal of Industrial Medicine 42 (3): 248–257. doi:10.1002/ajim.10110.
   PubMed Web of Science ®Google Scholar
• Bautmans, I., E. Gorus, R. Njemini, and T. Mets. 2007. “Handgrip Performance in Relation to Self-Perceived Fatigue, Physical Functioning and Circulating Il-6 in Elderly Persons without Inflammation.” BMC Geriatrics 7 (1): 5. doi:10.1186/1471-2318-7-5.
   PubMedGoogle Scholar
• Bland, J. D. P., and S. M. Rudolfer. 2003. “Clinical Surveillance of Carpal Tunnel Syndrome in Two Areas of the United Kingdom, 1991–2001.” Journal of Neurology, Neurosurgery, and Psychiatry 74 (12): 1674–1679. doi:10.1136/jnnp.74.12.1674.
   PubMed Web of Science ®Google Scholar
• Blumenthal, S., S. Herskovitz, and J. Verghese. 2006. “Carpal Tunnel Syndrome in Older Adults.” Muscle & Nerve 34 (1): 78–83. doi:10.1002/mus.20559.
   PubMed Web of Science ®Google Scholar
• Bretz, K. J., Á. Jobbágy, and K. Bretz. 2010. “Force Measurement of Hand and Fingers.” Biomechanica Hungarica 3 (1): 61–66.
   Google Scholar
• Burton, C., L. Chesterton, and G. Davenport. 2014. “Diagnosing and Managing Carpal Tunnel Syndrome in Primary Care.” The British Journal of General Practice: The Journal of the Royal College of General Practitioners 64 (622): 262–263. doi:10.3399/bjgp14X679903.
   PubMed Web of Science ®Google Scholar
• Carmeli, E., H. Patish, and R. Coleman. 2003. “The Aging Hand.” The Journals of Gerontology: Series A 58 (2): 146–152. doi:10.1093/gerona/58.2.M146.
   PubMed Web of Science ®Google Scholar
• Caumes, M., B. G. D. Monsabert, H. Hauraix, E. Berton, and L. Vigouroux. 2019. “Complex Couplings between Joints, Muscles and Performance: The Role of the Wrist in Grasping.” Scientific Reports 9 (19357): 1–11. doi:10.1038/s41598-019-55443-w.
   PubMedGoogle Scholar
• Chaudhuri, A. 2014. 40 Inventive Principles, the Most Popular Component of TRIZ Innovation System. Accessed 3 September 2017. http://gg.gg/5ufbc
   Google Scholar
• Choi, Y. M. 2015. “Comparison of Grip and Pinch Strength in Adults with Dexterity Limitations to Normative Values.” Procedia Manufacturing 3: 5326–5333. doi:10.1016/j.promfg.2015.07.637.
   Google Scholar
• Coelho, D. A. 2009. “Matching TRIZ Engineering Parameters to Human Factors Issues in Manufacturing.” WSEAS Transactions on Business and Economics 11 (6): 547–556.
   Google Scholar
• Dahaghin, S., S. M. A. Bierma-Zeinstra, M. Reijman, H. A. P. Pols, J. M. W. Hazes, and B. W. Koes. 2005. “Prevalence and Determinants of One Month Hand Pain and Hand Related Disability in the Elderly (Rotterdam Study).” Annals of the Rheumatic Diseases 64 (1): 99–104. doi:10.1136/ard.2003.017087.
   PubMed Web of Science ®Google Scholar
• Desrosiers, J., G. Bravo, and R. Hebert. 1997. “Isometric Grip Endurance of Healthy Elderly Men and Women.” Archives of Gerontology and Geriatrics 24 (1): 75–85. doi:10.1016/S0167-4943(96)00756-X.
   PubMed Web of Science ®Google Scholar
• Dierick, F., J.-M. Brismée, O. White, A.-F. Bouché, C. Périchon, N. Filoni, V. Barvaux, and F. Buisseret 2020. “Fine Adaptive Control of Precision Grip without Maximum Pinch Strength Changes after Median Nerve Mobilization.” medRxiv, preprint, 1–12.
   Google Scholar
• Domb, E., J. Miller, E. MacGran, and M. Slocum 1998. “The 39 Features of Altshuller's Contradiction Matrix.” The TRIZ Journal 1–3, November 21 Accessed http://gg.gg/5u86u.
   Google Scholar
• Eksioglu, M., J. E. Fernandez, and J. M. Twomey. 1996. “Predicting Peak Pinch Strength: Artificial Neural Networks Vs. Regression.” International Journal of Industrial Ergonomics 18 (5–6): 431–441. doi:10.1016/0169-8141(95)00106-9.
   Web of Science ®Google Scholar
• Ellis, E. A., D. S. Bloswick, R. F. Sesek, C. Mann, M. S. Thiese, and K. T. Hegman 2004. “The Effect of Pinch Grip on Upper Extremity Cumulative Trauma Disorders in Female Garment Workers.” Master of Science diss., University of Utah, Salt Lake City.
   Google Scholar
• Encyclopaedia Britannica. 2016. “Old Age.” Accessed 1 May 2018. https://www.britannica.com/science/old-age
   Google Scholar
• Enders, L. R., and N. J. Seo. 2011. “Phalanx Force Magnitude and Trajectory Deviation Increased during Power Grip with an Increased Coefficient of Friction at the Hand-Object Interface.” Journal of Biomechanics 44 (8): 1447–1453. doi:10.1016/j.jbiomech.2011.03.020.
   PubMed Web of Science ®Google Scholar
• Enoka, R. M., E. A. Christou, S. K. Hunter, K. W. Kornatz, J. G. Semmler, A. M. Taylor, and B. L. Tracy. 2003. “Mechanisms that Contribute to Differences in Motor Performance between Young and Old Adults.” Journal of Electromyography and Kinesiology 13 (1): 1–12. doi:10.1016/S1050-6411(02)00084-6.
   PubMed Web of Science ®Google Scholar
• Erickson, M., M. Lawrence, C. W. S. Jansen, D. Coker, P. Amadio, C. Cleary, R. Altman, et al. 2019. “Hand Pain and Sensory Deficits: Carpal Tunnel Syndrome.” Journal of Orthopaedic and Sports Physical Therapy 49 (5): CPG1–CPG85. doi:10.2519/jospt.2019.0301.
   PubMed Web of Science ®Google Scholar
• Finneran, A., and L. O’Sullivan. 2013. “Effects of Grip Type and Wrist Posture on Forearm Emg Activity, Endurance Time and Movement Accuracy.” International Journal of Industrial Ergonomics 43 (1): 91–99. doi:10.1016/j.ergon.2012.11.012.
   Web of Science ®Google Scholar
• Flanagan, J. R., J. Tresilian, and A. M. Wing. 1993. “Coupling of Grip Force and Load Force during Arm Movements with Grasped Objects.” Neuroscience Letters 152 (1–2): 53–56. doi:10.1016/0304-3940(93)90481-Y.
   PubMed Web of Science ®Google Scholar
• Flanagan, J. R., and A. M. Wing. 1993. “Modulation of Grip Force with Load Force during Point-to-Point Arm Movements.” Experimental Brain Research 95 (1): 131–143. doi:10.1007/BF00229662.
   PubMed Web of Science ®Google Scholar
• Flanagan, J. R., and A. M. Wing. 1995. “The Stability of Precision Grip Forces during Cyclic Arm Movements with a Hand-Held Load.” Experimental Brain Research 105 (3): 455–464. doi:10.1007/BF00233045.
   PubMed Web of Science ®Google Scholar
• Forman, D. A., G. N. Forman, B. A. Murphy, and M. R. Holmes. 2020. “Sustained Isometric Wrist Flexion and Extension Maximal Voluntary Contractions on Corticospinal Excitability to Forearm Muscles during Low-Intensity Hand-Gripping.” Brain Sciences 10 (445): 1–21. doi:10.3390/brainsci10070445.
   Google Scholar
• Fragala, M. S., E. L. Cadore, S. Dorgo, M. Izquierdo, W. J. Kraemer, M. D. Peterson, and E. D. Ryan. 2019. “Resistance Training for Older Adults: Position Statement from the National Strength and Conditioning Association.” Journal of Strength and Conditioning Research 33 (8): 2019–2052.
   PubMed Web of Science ®Google Scholar
• Freund, J., R. Toivonen, and E.-P. Takala. 2002. “Grip Forces of the Fingertips.” Clinical Biomechanics 17 (7): 515–520. doi:10.1016/S0268-0033(02)00043-8.
   PubMed Web of Science ®Google Scholar
• Giampaoli, S., L. Ferrucci, F. Cecchi, C. L. Noce, A. Poce, F. Dima, A. Santaquilani, M. F. Vescio, and A. Menotti. 1999. “Hand-Grip Strength Predicts Incident Disability in Non-Disabled Older Men.” Age and Ageing 28 (3): 283–288. doi:10.1093/ageing/28.3.283.
   PubMed Web of Science ®Google Scholar
• Gnaneswaran, V., and R. R. Bishu. 2011. “Anthropometry and Hand Performance Evaluation of Minority Population.” International Journal of Industrial Ergonomics 41 (6): 661–670. doi:10.1016/j.ergon.2011.07.003.
   Web of Science ®Google Scholar
• Gnaneswaran, V., E. Jones, and R. R. Bishu. 2013. “Development of Force-Endurance Models for Simulated Scaling Task.” International Journal of Industrial Ergonomics 43 (1): 31–39. doi:10.1016/j.ergon.2012.08.008.
   Web of Science ®Google Scholar
• Grimby, G., A. Aniansson, C. Zetterberg, and B. Saltin. 1984. “Is There a Change in Relative Muscle Fiber Composition with Age?” Clinical Physiology 4 (2): 189–194. doi:10.1111/j.1475-097X.1984.tb00235.x.
   PubMedGoogle Scholar
• Grimmer, M., R. Riener, C. J. Walsh, and A. Seyfarth. 2019. “Mobility Related Physical and Functional Losses Due to Aging and Disease - a Motivation for Lower Limb Exoskeletons.” Journal of NeuroEngineering and Rehabilitation 16 (2): 1–21. doi:10.1186/s12984-018-0458-8.
   PubMedGoogle Scholar
• Hasenbring, M. I., N. E. Andrews, and G. Ebenbichler. 2020. “Overactivity in Chronic Pain, the Role of Pain-Related Endurance and Neuromuscular Activity: An Interdisciplinary, Narrative Review.” Clinical Journal of Pain 36 (3): 162–171. doi:10.1097/AJP.0000000000000785.
   PubMed Web of Science ®Google Scholar
• Hermsdorfer, J., E. Hagl, D. A. Nowak, and C. Marquardt. 2003. “Grip Force Control during Object Manipulation in Cerebral Stroke.” Clinical Neurophysiology 114 (5): 915–929. doi:10.1016/S1388-2457(03)00042-7.
   PubMed Web of Science ®Google Scholar
• Hu, W., N. Wei, Z.-M. Li, and K. Li. 2018. “Effects of Muscle Fatigue on Directional Coordination of Fingertip Forces during Precision Grip.” PLOS One 13 (12): e0208740. doi:10.1371/journal.pone.0208740.
   PubMed Web of Science ®Google Scholar
• Huysmans, M. A., M. J. M. Hoozemans, B. Visser, and J. H. Van-Dieen. 2008. “Grip Force Control in Patients with Neck and Upper Extremity Pain and Healthy Controls.” Clinical Neurophysiology 119 (8): 1840–1848. doi:10.1016/j.clinph.2008.04.290.
   PubMed Web of Science ®Google Scholar
• Incel, N. A., M. Sezgin, I. As, O. B. Cimen, and G. Sahin. 2009. “The Geriatric Hand: Correlation of Hand-Muscle Function and Activity Restriction in Elderly.” International Journal of Rehabilitation Research 32 (3): 213–218. doi:10.1097/MRR.0b013e3283298226.
   PubMed Web of Science ®Google Scholar
• Iyengar, V., M. J. Santos, M. Ko, and A. S. Aruin. 2009. “Effect of Contralateral Finger Touch on Grip Force Control in Individuals with Multiple Sclerosis.” Clinical Neurophysiology 120 (3): 626–631. doi:10.1016/j.clinph.2008.12.029.
   PubMed Web of Science ®Google Scholar
• Jette, A. M., L. G. Branch, and J. Berlin. 1990. “Musculoskeletal Impairments and Physical Disablement among the Aged.” Journal of Gerontology: Medical Sciences 45 (6): 203–208. doi:10.1093/geronj/45.6.M203.
   Google Scholar
• Keir, P. J., J. M. Bach, and D. M. Rempel. 1998. “Finger Loading and Carpal Tunnel Pressure: Differences between a Pinching and a Pressing Task.” Journal of Orthopaedic Research 16 (1): 112–115. doi:10.1002/jor.1100160119.
   PubMed Web of Science ®Google Scholar
• Kim, I., H. Ohtsuka, and H. Inooka. 1994. “Impedance Model for Human Fingertips.” SICE 30: 112–114.
   Google Scholar
• Kim, Y.-J., H. Song, and C.-Y. Maeng. 2020. “Blt Gripper: An Adaptive Gripper with Active Transition Capability between Precise Pinch and Compliant Grasp.” IEEE Robotics and Automation Letters 5 (4): 5518–5525. doi:10.1109/LRA.2020.3008137.
   Web of Science ®Google Scholar
• Kinoshita, G., and M. Mori. 1972. “An Elastic Model of the Skin and Some Properties on the Variable Threshold Processing of an Artificial Tactile Sense.” Transactions of the Society of Instrument and Control Engineers 8 (4): 398–405. doi:10.9746/sicetr1965.8.398.
   Google Scholar
• Kostopoulos, P., A. I. Kyritsis, V. Ricard, M. Deriaz, and D. Konstantas. 2018. “Enhance Daily Live and Health of Elderly People.” Procedia Computer Science 130: 967–972. doi:10.1016/j.procs.2018.04.097.
   Google Scholar
• Kowal, P., and K. Peachey. 2001. Indicators for the Minimum Data Set Project on Ageing: A Critical Review in Sub-Saharan Africa. 1st ed. Dar es Salaam: United Republic of Tanzania: U.S. National Institute on Aging.
   Google Scholar
• Kwak, D. W., K. S. Lee, J. S. Kwag, M. C. Jung, and Y. K. Kong. 2011. “Investigation of the Effects of Resting Time and Trial on the Maximal Grip Strength.” Journal of the Ergonomics Society of Korea 30 (3): 381–387. doi:10.5143/JESK.2011.30.3.381.
   Google Scholar
• Lewis, W. G., and C. V. Narayan. 1993. “Design and Sizing of Ergonomic Handles for Hand Tools.” Applied Ergonomics 24 (5): 351–356. doi:10.1016/0003-6870(93)90074-J.
   PubMed Web of Science ®Google Scholar
• Lexell, J., C. C. Taylor, and M. Sjostrom. 1988. “What Is the Cause of the Ageing Atrophy’? Total Number, Size and Proportion of Different Fiber Types Studied in Whole Vastus Lateralis Muscle from 15- to 83-Year-Old Men.” Journal of Neorological Sciences 84 (2–3): 275–294. doi:10.1016/0022-510X(88)90132-3.
   PubMed Web of Science ®Google Scholar
• Li, K., P. J. Evans, W. H. J. Seitz, and Z.-M. Li. 2015. “Carpal Tunnel Syndrome Impairs Sustained Precision Pinch Performance.” Clinical Neurophysiology 126 (1): 194–201. doi:10.1016/j.clinph.2014.05.004.
   PubMed Web of Science ®Google Scholar
• Li, K., T. L. Marquardt, and Z.-M. Li. 2013a. “Removal of Visual Feedback Lowers Structural Variability of Inter-Digit Force Coordination during Sustained Precision Pinch.” Neuroscience Letters 545 (June): 1–5. doi:10.1016/j.neulet.2013.04.011.
   PubMedGoogle Scholar
• Li, K., R. Nataraj, T. L. Marquardt, and Z.-M. Li. 2013b. “Directional Coordination of Thumb and Finger Forces during Precision Pinch.” PLOS One 8 (11): e79400. doi:10.1371/journal.pone.0079400.
   PubMed Web of Science ®Google Scholar
• Li, L., Y. Li, C. Wu, and X. Zhang. 2020. “Test–Retest Reliability of Tip, Key, and Palmar Pinch Force Sense in Healthy Adults.” BMC Musculoskeletal Disorders 21 (189): 1–10.
   Google Scholar
• Lim, J. C., P. K. Ng, and U. Nirmal. 2021. “A TRIZ-Aided Approach in Exploring Wallet Neuropathy and Pickpocketing Issues.” ARPN Journal of Engineering and Applied Sciences 16 (2): 270–279.
   Google Scholar
• Lo, V. E.-W., Y.-C. Chiu, -H.-H. Tu, C.-W. Liu, and C.-Y. Yu. 2019. “A Pilot Study of Five Types of Maximum Hand Strength among Manufacturing Industry Workers in Taiwan.” International Journal of Environmental Research and Public Health 16 (23): 1–21. doi:10.3390/ijerph16234742.
   Web of Science ®Google Scholar
• McDonnell, M. N., M. C. Ridding, S. C. Flavel, and T. S. Miles. 2005. “Effect of Human Grip Strategy on Force Control in Precision Tasks.” Experimental Brain Research 161 (3): 368–373. doi:10.1007/s00221-004-2081-0.
   PubMed Web of Science ®Google Scholar
• Minetto, M. A., A. Giannini, R. McConnell, C. Busso, G. Torre, and G. Massazza. 2020. “Common Musculoskeletal Disorders in the Elderly: The Star Triad.” Journal of Clinical Medicine 9 (4): 1216. doi:10.3390/jcm9041216.
   PubMed Web of Science ®Google Scholar
• Moore, A., R. Wells, and D. Ranney. 1991. “Quantifying Exposure in Occupational Manual Tasks with Cumulative Trauma Disorder Potential.” Ergonomics 34 (12): 1433–1453. doi:10.1080/00140139108964888.
   PubMed Web of Science ®Google Scholar
• Nakazawa, N. N., R. Ikeura, and H. Innoka. 2000. “Characteristics of Human Fingertips in the Shearing Direction.” Biological Cybernetics 82 (3): 207–214. doi:10.1007/s004220050020.
   PubMed Web of Science ®Google Scholar
• Ng, P. K., and K. S. Jee. 2016. “Design and Development of an Ergonomic Milling Machine Control Knob Using TRIZ Principles.” American Journal of Applied Sciences 13 (4): 451–458. doi:10.3844/ajassp.2016.451.458.
   Google Scholar
• Ng, P. K., K. S. Jee, and B. S. Choong. 2016. “Design Innovation of a Manual Screwdriver Using the Inventive Principles of TRIZ.” Middle-East Journal of Scientific Research 24 (2): 372–378.
   Google Scholar
• Okamura, A. M. 2009. “Haptic Feedback in Robot-Assisted Minimally Invasive Surgery.” Current Opinion in Urology 19 (1): 102–107. doi:10.1097/MOU.0b013e32831a478c.
   PubMed Web of Science ®Google Scholar
• Papadopoulou, S. K. 2020. “Sarcopenia: A Contemporary Health Problem among Older Adult Populations.” Nutrients 12 (5): 1–20. doi:10.3390/nu12051293.
   Web of Science ®Google Scholar
• Park, J., P. Heo, J. Kim, and Y. Na. 2020. “A Finger Grip Force Sensor with an Open-Pad Structure for Glove-Type Assistive Devices.” Sensors 20 (1): 4. doi:10.3390/s20010004.
   Web of Science ®Google Scholar
• Rahman, N., J. J. Thomas, and M. S. Rice. 2002. “The Relationship between Hand Strength and the Forces Used to Access Containers by Well Elderly Persons.” American Journal of Occupational Therapy 56 (1): 78–85. doi:10.5014/ajot.56.1.78.
   PubMed Web of Science ®Google Scholar
• Ranganathan, V. K., V. Siemionow, V. Sahgal, and G. H. Yue. 2001. “Effects of Aging on Hand Function.” Journal of the American Geriatrics Society 49 (11): 1478–1484. doi:10.1046/j.1532-5415.2001.4911240.x.
   PubMed Web of Science ®Google Scholar
• Retseptor, G. 2002. “40 Inventive Principles in Microelectronics.” The TRIZ Journal 8: 1–16.
   Google Scholar
• Rice, M. S., C. Leonard, and M. Carter. 1998. “Grip Strengths and Required Forces in Accessing Everyday Containers in a Normal Population.” American Journal of Occupational Therapy 52 (8): 621–626. doi:10.5014/ajot.52.8.621.
   PubMed Web of Science ®Google Scholar
• Roebuck, J. 1979. “When Does Old Age Begin?: The Evolution of the English Definition.” Journal of Social History 12 (3): 416–428. doi:10.1353/jsh/12.3.416.
   Web of Science ®Google Scholar
• Roh, Y. H., K. W. Kim, N.-J. Paik, T. K. Kim, and H. S. Gong. 2012. “How Much are Upper or Lower Extremity Disabilities Associated with General Health Status in the Elderly?” Clinical Orthopaedics and Related Research 470 (11): 3246–3252. doi:10.1007/s11999-012-2417-1.
   PubMed Web of Science ®Google Scholar
• Rost, K., D. A. Nowak, D. Timmann, and J. Hermsdorfer. 2005. “Preserved and Impaired Aspects of Predictive Grip Force Control in Cerebellar Patients.” Clinical Neurophysiology 116 (6): 1405–1414. doi:10.1016/j.clinph.2005.02.015.
   PubMed Web of Science ®Google Scholar
• Rydberg, M., M. Zimmerman, A. Gottsäter, P. M. Nilsson, O. Melander, and L. B. Dahlin. 2020. “Diabetes Mellitus as A Risk Factor for Compression Neuropathy: A Longitudinal Cohort Study from Southern Sweden.” BMJ Open Diabetes Research and Care 8 (1): 001298. doi:10.1136/bmjdrc-2020-001298.
   Web of Science ®Google Scholar
• Saddik, A. E. 2007. “The Potential of Haptics Technologies.” IEEE Instrumentation & Measurement Magazine, February, 10-17.
   Google Scholar
• Salamatov, Y. 2005. TRIZ: The Right Solution at the Right Time - a Guide to Innovative Problem Solving. 2nd ed. Krasnoyarsk, Russia: Institute of Innovative Design.
   Google Scholar
• Sayles, J. 2007. Standard of Care: Carpal Tunnel Syndrome. 1st ed. Boston, Massachusetts: Department of Rehabilitation Services Occupational Therapy, Brigham and Women’s Hospital.
   Google Scholar
• Seo, N. J., and T. J. Armstrong. 2008. “Investigation of Grip Force, Normal Force, Contact Area, Hand Size and Handle Size for Cylindrical Handles.” Human Factors: The Journal of the Human Factors and Ergonomics Society 50 (5): 734–744. doi:10.1518/001872008X354192.
   PubMed Web of Science ®Google Scholar
• Seo, N. J., T. J. Armstrong, and P. Drinkaus. 2009. “A Comparison of Two Methods of Measuring Static Coefficient of Friction at Low Normal Forces: A Pilot Study.” Ergonomics 52 (1): 121–135. doi:10.1080/00140130802238622.
   PubMed Web of Science ®Google Scholar
• Shahida, M. S. N., M. D. S. Zawiah, and K. Case. 2015. “The Relationship between Anthropometry and Hand Grip Strength among Elderly Malaysians.” International Journal of Industrial Ergonomics 50: 17–25. doi:10.1016/j.ergon.2015.09.006.
   Web of Science ®Google Scholar
• Shergill, A. K., K. R. Asundi, A. Barr, J. N. Shah, J. C. Ryan, K. R. McQuaid, and D. Rempel. 2009. “Pinch Force and Forearm-Muscle Load during Routine Colonoscopy: A Pilot Study.” Gastrointestinal Endoscopy 69 (1): 142–146. doi:10.1016/j.gie.2008.09.030.
   PubMed Web of Science ®Google Scholar
• Shimoga, K. B., and A. A. Goldenberg. 1996. “Soft Robotic Fingertips Part II: Modeling and Impedance Regulation.” The International Journal of Robotics Research 15 (4): 335–350. doi:10.1177/027836499601500403.
   Web of Science ®Google Scholar
• Smaby, N., M. E. Johanson, B. Baker, D. E. Kenney, W. M. Murray, and V. R. Hentz. 2004. “Identification of Key Pinch Forces Required to Complete Functional Tasks.” Journal of Rehabilitation Research and Development 41 (2): 215–224. doi:10.1682/JRRD.2004.02.0215.
   PubMed Web of Science ®Google Scholar
• Snih, S. A., K. S. Markides, K. J. Ottenbacher, and M. A. Raji. 2004. “Hand Grip Strength and Incident Adl Disability in Elderly Mexican Americans over a Seven-Year Period.” Aging Clinical and Experimental Research 16 (6): 481–486. doi:10.1007/BF03327406.
   PubMed Web of Science ®Google Scholar
• Sokas, R. K., D. Speiglelman, and D. H. Wegman. 1989. “Self-Reported Musculoskeletal Complaints among Garment Workers.” American Journal of Industrial Medicine 15 (2): 197–206. doi:10.1002/ajim.4700150208.
   PubMed Web of Science ®Google Scholar
• Souchkov, V., R. Hoeboer, and M. V. Zutphen 2007. “TRIZ for Business: Application of RCA+ to Analyse and Solve Business and Management Problems.” The TRIZ Journal, 1–9, 5 February. Accessed http://gg.gg/5u7sk.
   Google Scholar
• Sperling, L. 1980. “Evaluation of Upper Extremity Function in 70-Year-Old Men and Women.” Scandinavian Journal of Rehabilitation Medicine 12 (4): 139–144.
   PubMedGoogle Scholar
• Taekema, D. G., J. Gussekloo, A. B. Maier, R. G. J. Westendorp, and A. J. M. D. Craen. 2010. “Handgrip Strength as A Predictor of Functional, Psychological and Social Health. A Prospective Population-Based Study among the Oldest Old.” Age and Ageing 39 (3): 331–337. doi:10.1093/ageing/afq022.
   PubMed Web of Science ®Google Scholar
• Tan, D. W. H., P. K. Ng, and E. E. M. Noor. 2019. “A TRIZ-Based Approach in Investigating Finger Grip Function Degradation among Elderlies.” ARPN Journal of Engineering and Applied Sciences 14 (16): 2864–2873.
   Google Scholar
• Tan, D. W. H., P. K. Ng, and E. E. M. Noor. 2021a. “An Assimilation of TRIZ in Dissecting the Statistical Outcomes of Tactile Sensitivity, Pinch Force and Endurance among Elderly People.” Cogent Engineering 8 (1): 1891710. doi:10.1080/23311916.2021.1891710.
   Web of Science ®Google Scholar
• Tan, R. E. J. H., P. K. Ng, D. W. H. Tan, and W. S. Lim. 2021b. “A Triz-Directed Approach in Proposing Device-Oriented Ideas that Cultivate Water-Drinking Habits among Children.” Cogent Engineering 8 (1): 1868134. doi:10.1080/23311916.2020.1868134.
   Web of Science ®Google Scholar
• Towles, J. D., V. R. Hentz, and W. M. Murray 2002. “Magnitude of Endpoint Force of Flexor Pollicis Longus Muscle Increased with Pinch Opening.” Paper presented at the Third National Meeting VA Rehabilitation Research and Development Conference, Arlington, Virginia.
   Google Scholar
• Westling, G., and R. J. Johansson. 1987. “Responses in Glabrous Skin Mechanoreceptors during Precision Grip in Humans.” Experimental Brain Research 66 (1): 128–140. doi:10.1007/BF00236209.
   PubMed Web of Science ®Google Scholar
• White, O., J. L. Thonnard, A. M. Wing, R. M. Bracewell, J. Diedrichsen, and P. Lefevre. 2011. “Grip Force Regulates Hand Impedance to Optimize Object Stability in High Impact Loads.” Neuroscience 189: 269–276. doi:10.1016/j.neuroscience.2011.04.055.
   PubMed Web of Science ®Google Scholar
• Wilkinson, D. J., M. Piasecki, and P. J. Atherton. 2018. “The Age-Related Loss of Skeletal Muscle Mass and Function: Measurement and Physiology of Muscle Fibre Atrophy and Muscle Fibre Loss in Humans.” Ageing Research Reviews 47: 123–132. doi:10.1016/j.arr.2018.07.005.
   PubMed Web of Science ®Google Scholar
• Wilkstrom, L., S. Bystrom, S. Dahlman, C. Fransson, R. Kadefors, A. Kilbom, E. Landervik, L. Liedberg, L. Sperling, and J. Oster. 1991. Criteria When Choosing and Developing Hand Tools (Pp. 18). Solna, Sweden: National Institute of Occupational Health.
   Google Scholar
• Wing, A. M. 1996. Anticipatory Control of Grip Force in Rapid Arm Movement. 1st ed. San Diego: Academic Press.
   Google Scholar
• World Health Organisation. 2016. Health Statistics and Information Systems: Proposed Working Definition of an Older Person in Africa for the Mds Project. Accessed 1 May 2018. http://www.who.int/healthinfo/survey/ageingdefnolder/en/
   Google Scholar
• Yeoh, T. S. 2014. TRIZ: Systematic Innovation in Business and Management. 1st ed. Selangor, Malaysia: Firstfruits Publishing.
   Google Scholar
• Yeoh, T. S., T. J. Yeoh, and C. L. Song. 2015. TRIZ: Systematic Innovation in Manufacturing. 1st ed. Selangor, Malaysia: Firstfruits Publishing.
   Google Scholar
• Zackrisson, T., B. Eriksson, N. Hosseini, B. Johnels, and A. L. Krogstad. 2008. “Patients with Hyperhidrosis Have Changed Grip Force, Coefficient of Friction and Safety Margin.” Acta Neurologica Scandinavica 117 (4): 279–284. doi:10.1111/j.1600-0404.2007.00938.x.
   PubMed Web of Science ®Google Scholar
• Zhang, Y., J. Niu, M. Kelly-Hayes, C. E. Chaisson, P. Aliabadi, and D. T. Felson. 2002. “Prevalence of Symptomatic Hand Osteoarthritis and Its Impact on Functional Status among the Elderly: The Framingham Study.” American Journal of Epidemiology 156 (11): 1021–1027. doi:10.1093/aje/kwf141.
   PubMed Web of Science ®Google Scholar