Table of contents

Editorials

• The old knee in the young athlete: knowns and unknowns in the return to play conversation (19 November, 2015)

  Clare L Ardern, Karim M Khan
• It is time for consensus on return to play after injury: five key questions (20 November, 2015)

  Clare L Ardern, Mario Bizzini, Roald Bahr
• Twenty year follow-up of ACL reconstruction (AJSM)—the evidence of experience

  (27 January, 2016)

  Bob McCormack, Mark R Hutchinson
• Can I tell you something? I'm doping… (29 December, 2015)

  H P Dijkstra, N van Dyk, Y O Schumacher
• The management of symptomatic femoroacetabular impingement: what is the rationale for non-surgical treatment? (23 February, 2016)

  Nicola C Casartelli, Nicola A Maffiuletti, Mario Bizzini, Bryan T Kelly, Florian D Naal, Michael Leunig