Appendix 1 1. Agins HJ, Chess JL, Hoekstra, Teitge RA (1988) Rupture of the distal insertion of the biceps brachii tendon. Clin Orthop Relat Res 234:34-38 2. Alemann G, Dietsch E, Gallinet D, Obert L, Kastler B, Aubry S (2015) Repair of distal biceps brachii tendon assessed with 3-T magnetic resonance imaging and correlation with functional outcome. Skeletal Radiol 44:629-639 3. Al-Taher M, Wouters DB (2014) Fixation of acute distal biceps tendon ruptures using Mitek anchors: A retrospective study. Open Orthop J 8:52-55 4. Anakwenze OA, Baldwin K, Abboud JA (2013) Distal biceps tendon repair: An analysis of timing of surgery on outcomes. J Athl Train 48:9-11 5. Arbuthnot JE, Deans VM, Morgan D, Colville J, Sloan R, Selvey DM (2009) The intramedullary Endobutton technique: the outcome of repair of acute distal biceps rupture. Eur J Orthop Surg Traumatol 19:155-157 6. Atanda Jr A, O’Brien DF, Kraeutler MJ, Rangavajjula A, Lazarus MD, Ramsey ML, et al (2013) Outcomes after distal biceps repair in patients with workers’ compensation claims. J Shoulder Elbow Surg 22:299-304 7. Bain GI, Prem H, Heptinstall RJ, Verhellen R, Paix D (2000) Repair of distal biceps tendon rupture: A new technique using the Endobutton. J Shoulder Elbow Surg 9:120-126 8. Baker BE, Bierwagen D (1985) Rupture of the distal biceps tendon of the biceps brachii. J Bone Joint Surg Am 67:414-417 9. Balabaud L, Ruiz C, Nonnenmacher P, Seynaeve P, Kehr P, Rapp E (2004) Repair of distal biceps tendon ruptures using a suture anchor and an anterior approach. J Hand Surg 29B:178-182 10. Balch Samora J, Howard MS, Durbin RC, Popp JE (2012) Endobutton fixation of distal biceps tendon injuries: outcomes in a private practice setting. Curr Orthop Pract 23:38-41 11. Banerjee M, Shafizadeh S, Bouillon B, Tjardes T, Wafaisade A, Balke M (2013) High complication rate following distal biceps refixation with cortical button. Arch Orthop Trauma Surg 133:13611366 12. Barnes SJ, Coleman SG, Gilpin D (1993) Repair of avulsed insertion of biceps. J Bone Joint Surg Br 75:938-939 13. Bayat A, Neumann L, Wallace WA (1999) Late repair of simultaneous bilateral distal biceps brachii tendon avulsion with fascia lata graft. Br J Sports Med 33:281-283 14. Bell RH, Wiley WB, Noble JS, Kuczynski DJ (2000) Repair of distal biceps brachii tendon ruptures. J Shoulder Elbow Surg 9:223-226 15. Bosman HA, Fincher M, Saw N (2012) Anatomic direct repair of chronic distal biceps brachii tendon rupture without interposition graft. J Shoulder Elbow Surg 21:1342-1347 16. Cain RA, Nydick JA, Stein MI, Williams BD, Polikandriotis JA, Hess AV (2012) Complications following distal biceps repair. J Hand Surg 37A:2112-2117 17. Cheung EV, Lazarus M, Taranta M (2005) Immediate range of motion after distal biceps tendon repair. J Shoulder Elbow Surg 14:516-518 18. Chillemi C, Marinelli M, De Cupis V (2007) Rupture of the distal biceps brachii tendon: conservative treatment versus anatomic reinsertion-clinical and radiological evaluation after 2 years. Arch Orthop Trauma Surg 127:705-708 19. Cil A, Merten S, Steinmann SP (2009) Immediate active range of motion after modified 2-incision repair in acute distal biceps tendon rupture. Am J Sports Med 37:130-135 1 20. Citak M, Backhaus M, Seybold D, Suero EM, Schildhauer TA, Roetman B (2011) Surgical repair of the distal biceps brachii tendon: a comparative study of three surgical fixation techniques. Knee Surg Sports Traumatol Arthrosc 19:1936-1941 21. Cross MB, Egidy CC, Wu RH, Osbahr DC, Nam D, Dines JS (2014) Single-incision chronic distal biceps tendon repair with tibialis anterior allograft. Int Orthop 38:791-795 22. DaCambra MP, Walker REA, Hildebrand KA (2013) Simultaneous bilateral distal biceps tendon ruptures repaired using an endobutton technique: a case report. J Med Case Reports 7:213 23. D’Arco P, Sitler M, Kelly J, Moyer R, Marchetto P, Kimura I, Ryan J (1998) Clinical, functional, and radiographic assessments of the conventional and modified Boyd-Anderson surgical procedures for repair of distal biceps tendon ruptures. Am J Sports Med 26:254-261 24. D’Alessandro DF, Shields Jr CL, Tibone JE, Chandler RW (1993) Repair of distal biceps tendon ruptures in athletes. Am J Sports Med 21:114-119 25. Davison BL, Engber WD, Tigert LJ (1996) Long term evaluation of repaired distal biceps brachii tendon ruptures. Clin Orthop Relat Res 333:186-191 26. De Carli A, Zanzotto E, Vadala AP, Luzon D, Di Salvo M, Ferretti A (2009) Surgical repair of the distal biceps brachii tendon: clinical and isokinetic long-term follow-up. Knee Surg Sports Traumatol Arthrosc 17:850-856 27. Dillon MT, Bollier MJ, King JC (2011) Repair of acute and chronic distal biceps tendon ruptures using the EndoButton. Hand 6:39-46 28. El-Hawary R, MacDermid JC, Faber KJ, Patterson SD, King GJW (2003) Distal biceps tendon repair: Comparison of surgical techniques. J Hand Surg 28A:496-502 29. Fenton P, Qureshi F, Ali A, Potter D (2009) Distal biceps tendon rupture: A new repair technique in 14 patients using the Biotenodesis screw. Am J Sports Med 37:2009-2015 30. Friedmann E (1963) Rupture of the distal biceps brachii tendon. JAMA 184:182-185 31. Gallinet D, Dietsch E, Barbier-Brion B, Lerais J-M, Obert L (2011) Suture anchor reinsertion of distal biceps rupture: Clinical results and radiological assessment of tendon healing. Orthop Traumatol Surg Res 97:252-259 32. Gasparella A, Katusic D, Perissinotto A, Miti A (2014) Repair of distal biceps tendon acute ruptures with two suture anchors and anterior mini-open single incision technique: clinical follow-up and isokinetic evaluation. Musculoskelet Surg [epub ahead of print] 33. Gregory T, Roure P, Fontes D (2009) Repair of distal bicep tendon rupture using a suture anchor: Description of a new endoscopic procedure. Am J Sports Med 37:506-511 34. Grewel R, Athwal GS, MacDermid Jc, Faber KJ, Drosdowech DS, El-Hawary R, King GJ (2012) Single versus double-incision technique for the repair of acute distal biceps tendon ruptures: a randomized clinical trial. J Bone Joint Surg Am 94:1166-1174 35. Gupta RK, Bither N, Singh H, Kapoor S, Chhabra A, Grag S (2012) Repair of the torn distal biceps tendon by endobutton fixation. Indian J Orthop 46:71-76 36. Hand CJ, Howell GE (2001) Three year review following bone anchor repair of acute biceps tendon rupture. J R Nav Med Serv 87:113-115 37. Hang DW, Bach Jr. BR, Bojchuk J (1996) Repair of chronic distal biceps brachii tendon rupture using free autogenous semitendinosus tendon. Clin Orthop Relat Res 323:188-191 38. Hansen G, Smith A, Pollock JW, Werier J, Nairn R, Rakhra KS, Benoit D, Papp S (2014) Anatomic repair of the distal bieps tendon cannot be consistently performed through a classic singleincision suture anchor technique. J Shoulder Elbow Surg 23:1898-1904 2 39. Hartman MW, Merten SM, Steinmann SP (2007) Mini-open 2-incision technique for repair of distal biceps tendon ruptures. J Shoulder Elbow Surg 16:616-620 40. Heinzelmann AD, Savoir III FH, Ramsey R, Field LD, Mazzocca AD (2009) A combined technique for distal biceps repair using a soft tissue button and Biotenodesis interference screw. Am J Sports Med 37:989-994 41. Hetsroni I, Pilz-Burstein R, Nyska M, Back Z, Barchilon V, Mann G (2008) Avulsion of the distal biceps brachii tendon in middle-aged population: Is surgical repair advisable? A comparative study of 22 patients treated with either nonoperative management or early anatomical repair. Injury 39:753-760 42. Hinchey JW, Aronowitz JG, Sanchez-Sotelo J, Morrey BF (2014) Re-rupture rate of primary repaired distal biceps tendon injuries. J Shoulder Elbow Surg 23:850-854 43. Hovelius L, Josefsson G (1977) Rupture of the distal biceps tendon: Report of five cases. Acta Orthop Scand 48:280-282 44. Hrubina M, Behounek J, Skotak M, Krumpl O, Mika P, Olgun D (2013) The results of primary repair after distal biceps tendon rupture. Acta Orthop Traumatol Turc 47:301-306 45. Hurov JR (1996) Controlled active mobilization following surgical repair of the avulsed radial attachment of the biceps brachii muscle: A case report. J Orthop Sports Phys Ther 23:382-387 46. Jockel CR, Mulieri PJ, Belsky MR, Leslie BM (2010) Distal biceps tendon tears in women. J Shoulder Elbow Surg 19:645-650 47. Johnson TS, Johnson DC, Shindle MK, Allen AA, Weiland AJ, Cavanaugh J, et al (2008) Oneversus two-incision technique for distal biceps tendon repair. HSS J 4:117-122 48. Karunakar MA, Cha P, Stern PJ (1999) Distal biceps ruptures: A followup of Boyd and Anderson repair. Clin Orthop Relat Res 363:100-107 49. Kelly EW, Morrey BF, O’Driscoll SW (2000) Complications of repair of the distal biceps tendon with the modified two-incision technique. J Bone Joint Surg Am 82:1575-1581 50. Khan AD, Penna S, Yin Q, Sinopidis C, Brownson P, Frostick SP (2008) Repair of distal biceps tendon ruptures using suture anchors through a single anterior incision. Arthroscopy 41(1):3945 51. Klonz A, Loitz D, Wohler P, Reilmann H (2003) Rupture of the distal biceps brachii tendon: Isokinetic power analysis and complications after anatomic reinsertion compared with fixation to the brachialis muscle. J Shoulder Elbow Surg 12(6):607-611 52. Kobayashi K, Bruno RJ, Cassidy C (2003) Single anterior incision suture anchor technique for distal biceps tendon ruptures. Orthop 26:767-770 53. Kodde IF, van den Bekerom MPJ, Eygendaal D (2015) Reconstruction of distal biceps tendon ruptures with a cortical button. Knee Surg Sports Traumatol Arthrosc 23:919-925 54. Le Huec JC, Moinard M, Liquois F, Zipoli B, Chauveaux D, Le Rebeller A (1996) Distal rupture of the tendon of biceps brachii. J Bone Joint Surg Br 87:767-770 55. Leighton MM, Bush-Joseph CA, Bach Jr BR (1995) Distal biceps brachii repair: Results in dominant and nondominant extremities. Clin Orthop Relat Res 317:114-121 56. Levy HJ, Mashoof AA, Morgan D (2000) Repair of chronic ruptures of the distal biceps tendon using flexor carpi radialis tendon graft. Am J Sports Med 28:538-540 57. Lintner S, Fischer T (1996) Repair of the distal biceps tendon using suture anchors and an anterior approach. Clin Orthop Relat Res 322:116-119 3 58. Louis DS, Hankin FM, Eckenrode JF, Smith PA, Wojtys EM (1986) Distal biceps brachii tendon avulsion: A simplified method of operative repair. Am J Sports Med 14:234-236 59. Lynch SA, Beard DM, Renstrom PAFH (1999) Repair of distal biceps tendon rupture with suture anchors. Knee Surg Sports Traumatol Arthrosc 7:125-131 60. Mavrogenis AF, Papagelopoulos PJ, Ignatiadis IA, Antonopoulos D, Spyridonos SG (2009) Anatomical repair of distal biceps brachii tendon rupture through a limited anterior approach. Eur J Orthop Surg Traumatol 19:243-247 61. McKee MD, Hirji R, Schemitsch EH, Wild LM, Waddell JP (2005) Patient-oriented functional outcome after repair of distal biceps tendon ruptures using a single-incision technique. J Shoulder Elbow Surg 14:302-306 62. Morrell NT, Mercer DM, Moneim MS (2012) Late reconstruction of chronic distal biceps tendon ruptures using fascia lata autograft and suture anchor fixation. Tech Hand Surg 16:141-144 63. Morrey ME, Abdel MP, Sanchez-Sotelo J, Morrey BF (2014) Primary repair of retracted distal biceps tendon ruptures in extreme flexion. J Shoulder Elbow Surg 23:679-685 64. Nayyar S, Quirno M, Hasan S, Rybak L, Meislin RJ (2011) Rupture of the distal biceps tendon combined with a supinator muscle tear in a 51-year-old woman: A case report. Case Rep Radiol 2011:515912 65. Niemeyer P, Kostler W, Bley T, Gobel H, Brook CJ, Sudkamp NP, Strohm PC (2008) Anatomical refixation for acute ruptures of the distal biceps tendon using a novel transcortical refixation system. Arch Orthop Trauma Surg 128:573-581 66. Norman WH (1985) Repair of avulsion of insertion of biceps brachii tendon. Clin Orthop Relat Res 193:189-194 67. Olsen JR, Shields E, Williams RB, Miller R, Maloney M, Voloshin I (2014) A comparison of cortical button with interference screw versus suture anchor techniques for distal biceps brachii tendon repairs. J Shoulder Elbow Surg 23:1607-1611 68. Ozyurekoglu T, Tsai T-M (2003) Ruptures of the distal biceps brachii tendon: Results of three surgical techniques. Hand Surg 8:65-73 69. Pangallo L, Valore A, Padovani L, Coratella G, Schena F, Magnan B, Adani R (2015) Mini-open incision for distal biceps repair by suture anchors: Follow-up of eighteen patients. Musculoskelet Surg Published Online 23 April 2015 DOI: 10 1007/s12306-015-0372-1 70. Pascarelli L, Righi LC, Bongiovanni RR, Imoto RS, Teodoro RL, Ferro HF (2013) Technique and results after distal braquial biceps tendon reparation, through two anterior mini-incisions. Acta Ortop Bras 21:76-79 71. Postacchini F, Puddu G (1975) Subcutaneous rupture of the distal biceps brachii tendon: A report on seven cases. J Sports Med Phys Fitness 15:81-90 72. Potapov A, LafLamme YG, Gagnon S, Canet F, Rouleau DM (2011) Progressive osteolysis of the radius after distal biceps tendon repair with the bioabsorbable screw. J Shoulder Elbow Surg 20:819-826 73. Rantanen J, Orava S (1999) Rupture of the distal biceps tendon: A report of 19 patients treated with anatomic reinsertion, and a meta-analysis of 147 cases found in the literature. Am J Sports Med 27:128-132 74. Recordon JAF, Misur PN, Isaksson F, Poon PC (2015) Endobutton versus transosseous suture repair of distal biceps rupture using the two-incision technique: A comparison series. J Shoulder Elbow Surg 24:928-933 4 75. Ruch DS, Watters S, Wartinbee DA, Richard MJ, Leversedge FJ, Mithani SK (2014) Anatomic findings and complications after surgical treatment of chronic, partial distal biceps tendon tears: A case cohort comparison. J Hand Surg Am 39:1572-1577 76. Ryhanen J, Kaarela O, Siira P, Kujala S, Raatikainen T (2006) Recovery of muscle strength after late repair of distal biceps brachii tendon. Scand J Surg 95:68-72 77. Sarda P, Qaddori A, Nauschutz F, Boulton L, Nanda R, Bayliss N (2013) Distal biceps tendon rupture: Current concepts. Injury 44:417-420 78. Savvidou OD, Papagelopoulos PJ, Mavrogenis AF, Partsinevelos AA, Karadimas EJ, Korres DS (2004) Distal biceps tendon rupture. Eur J Orthop Surg Traumatol 14:155-160 79. Schmidt CC, Diaz VA, Weir DM, Latona CR, Miller MC (2012) Repaired distal biceps magnetic resonance imaging anatomy compared with outcome. J Shoulder Elbow Surg 21:1623-1631 80. Schneider A, Bennett JM, O’Connor DP, Mehlhoff T, Bennett JB (2009) Bilateral ruptures of the distal biceps brachii tendon. J Shoulder Elbow Surg 18:804-807 81. Sharma DK, Goswami V, Wood J (2004) Surgical repair of chronic rupture of the distal end of the biceps brachii. A modified anterior surgical repair technique. Acta Orthop Belg 70:268-272 82. Shields E, Olsen JR, Williams RB, Rose L, Maloney M, Voloshin I (2015) Distal biceps brachii tendon repairs: A single-incision technique using a cortical button with interference screw versus a double-incision technique using suture fixation through bone tunnels. Am J Sports Med 43:1072-1076 83. Siebenlist S, Fischer SC, Sandmann GH, Ahrens P, Wolf P, Stockle U, Imhoff AB, Brucker PU (2014) The functional outcome of forty-nine single-incision suture anchor repairs for distal biceps tendon ruptures at the elbow. Int Orthop 38:873-879 84. Silva J, Eskander MS, Lareau C, DeAngelis NA (2010) Treatment of distal biceps tendon ruptures using a single-incision technique and a Bio-tenodesis screw. Orthop 33:477 85. Sleeboom C, Regoort M (1991) Rupture of the distal tendon of the biceps brachii muscle. Neth J Surg 43:195-197 86. Snir N, Hamula M, Wolfson T, Meislin R, Strauss EJ, Jazrawi LM (2013) Clinical outcomes after chronic distal biceps reconstruction with allografts. Am J Sports Med 41:2288-2295 87. Solereanos DF, Pierce TD, Varitimidis SE (2000) A simplified method for repair of distal biceps tendon ruptures. J Shoulder Elbow Surg 9:227-233 88. Spencer EE, Tisdale A, Kostka K, Ivy RE (2008) Is therapy necessary after distal biceps tendon repair? Hand 3:316-319 89. Strauch RJ, Michelson H, Rosenwasser MP (1997) Repair of rupture of the distal tendon of the biceps brachii. Review of the literature and report of three cases treated with a single anterior incision and suture anchors. Am J Orthop 26:151-156 90. Tarallo L, Mugnai R, Zambianchi F, Adani R, Catani F (2014) Distal biceps tendon rupture reconstruction using muscle-splitting double-incision approach. World J Clin Cases 2:357-361 91. Vidal AF, Koonce RC, Wolcott M, Gonzales JB (2012) Extensive heterotopic ossification after suspensory cortical fixation of acute distal biceps tendon ruptures. Arthroscopy 28:1036-1040 92. Ware HE, Nairn DS (1992) Repair of the ruptured distal tendon of the biceps brachii. J Hand Surg 17B:99-101 93. Weinstein DM, Ciccone II WJ, Buckler MC, Balthrop PM, Busey TD, Elias J (2008) Elbow function after repair of the distal biceps brachii tendon with a two-incision approach. J Shoulder Elbow Surg 17:S82-S86 5