Maarten van Egmond

80 Chapter 4 32. Rikli RE JC. Functional fitness normative scores for community-residing older adults, ages 60–94. Journal of Aging and Physical Activity . 1999;7:162-181. 33. Jones CJ, Rikli RE, Beam WC. A 30-s chair- stand test as a measure of lower body strength in community-residing older adults. Res Q Exerc Sport . 1999;70(2):113-119. 34. Zou KH, Tuncali K, Silverman SG. Correlation and simple linear regression. Radiology . 2003;227(3):617-622. 35. Correa-de-Araujo R, Harris-LoveMO, Miljkovic I, Fragala MS, Anthony BW, Manini TM. The need for standardized assessment of muscle quality in skeletal muscle function deficit and other aging-related muscle dysfunctions: A symposium report. Front Physiol . 2017;8:87. 36. Thomas DR. Loss of skeletal muscle mass in aging: Examining the relationship of starvation, sarcopenia and cachexia. Clin Nutr . 2007;26(4):389-399. 37. Correa-de-Araujo R, Hadley E. Skeletal muscle function deficit: A new terminology to embrace the evolving concepts of sarcopenia and age-related muscle dysfunction. J Gerontol A Biol Sci Med Sci . 2014;69(5):591- 594. 38. Grotenhuis BA, Shapiro J, van Adrichem S, et al. Sarcopenia/muscle mass is not a prognostic factor for short- and long-term outcome after esophagectomy for cancer. World J Surg . 2016;40(11):2698-2704.