Adolescent Marathon Training: Prospective Evaluation of Musculotendinous Changes during a 6-Month Endurance Running Program.
Alexandra F DeJong LempkeSarah B WillwerthDanielle L HuntWilliam P MeehanKristin E WhitneyPublished in: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine (2022)
Adolescent runners' extrinsic foot and ankle muscles increased in volume and decreased in echogenicity, attributed to favorable distance training adaptations across the 6-month timeframe. We noted tendon thickening without concomitantly increased echogenicity, signaling intrasubstance tendon remodeling in response to escalating distance.