A total of 66 cases of spondylolysis were studied, 42 men and 24 women with a mean age of 14.8 years (range 12–21): 53 (80%) cases were at L5, eight (12%) at L4, two (3%) at L3, and one (1%) bilateral ...

Objective: To determine whether the location of spondylolysis in ... 0.04 to 0.38). Lower lumbar levels showed increased scintigraphic uptake more frequently than did higher levels, although the trend ...