Delp et al. (2001) reported that the fascicle length of
the superficial erector spinae of the thoracic spine was measured at 96 mm, while the lumbar region measured 120 mm.
The superficial erector spinae of the thoracic spine displays a pennation angle of 12.6 degrees, while the lumbar region displays a pennation angle of 13.8 degrees.
Not exact matches
The
erector spinae muscles are more
superficial, so I'll begin with those.