Jan Lexell (born March 13, 1958) is a Swedish physician and academic, who is a specialist in rehabilitation medicine and neurology. He is head of the rehabilitation medicine research group in the Department of Health Sciences at Lund University, Lund.[1][2][3][4][5] One of his research areas is the effect of physical activity on the aging process.[3][6] Lexell is also senior consultant in the Department of Neurology and Rehabilitation Medicine at Skane University Hospital, Lund.[2][7][8][9] Lexell's research is frequently cited;[10][11] in particular, his work during the 1980s on examining the vastus lateralis muscle immediately post-mortem, which helped identify an atrophy in type-2 fiber area in older people,[12] Some of his most important research was carried out in 1989–90, while working at the University of Liverpool, UK, with grants from several major Swedish medical organisations.[13][14]
^Lexell, J.; Downham, D.; Sjöström, M. (1986). "Distribution of different fibre types in human skeletal muscles. Fibre type arrangement in m. vastus lateralis from three groups of healthy men between 15 and 83 years". Journal of the Neurological Sciences. 72 (2–3): 211–22. doi:10.1016/0022-510X(86)90009-2. PMID3711935. S2CID24326822.