Objectives This prospective study investigated anatomical and biomechanical risk factors for
second and third metatarsal stress fractures in military recruits during training. Design
Prospective cohort study. Methods Anatomical and biomechanical measures were taken for
1065 Royal Marines recruits at the start of training when injury-free. Data included passive
range of ankle dorsi-flexion, dynamic peak ankle dorsi-flexion and plantar pressures during
barefoot running. Separate univariate regression models were developed to identify …