title: Knee protection during Ranger school.
authors.forename: J
authors.initials: J
authors.lastname: Caravalho
mesh_terms: D006801:Humans; D007718:Knee Injuries / Q000517:prevention & control*; D008889:Military Personnel; D011482:Protective Devices; D014481:United States; D014947:Wounds and Injuries / Q000517:prevention & control; D000092464:Elbow Injuries