“…However, a retrospective study of a cohort of adolescents (mean age 13.9 ± 2.2 years) with symptomatic baseball participation was identified as the fourth most common sport identified, 8.9% of the patients being identified as baseball players, within the cohort of patients with spondylolysis (Ladenhauf et al, 2013). In other studies referenced by Ladenhauf et al, LBP frequency occurred in between 8.5% and 14.6% of youth baseball players (ages 12–15.5; Anderson, Sarwark, Conway, Logue, & Schafer, 2000; Blanda, Bethem, Moats, & Lew, 1993; Miller, Congeni, & Swanson, 2004). …”