Oslo Sports Trauma Research Center

Details about researcher: Ingrid Trøan

CV

Ingrid Trøan is a PhD student  at the Oslo Sports Trauma Research Center, through her doctoral project, which focuses on multiligament injuries of the knee. The main objective of the study is to assess knee function after surgery in this patient group.

Ingrid is a licensed physical therapist and holds a master’s degree in health sciences from the University of Oslo (UiO). She works in the arthroscopy section of the Orthopedic Clinic at Oslo University Hospital.

She is also affiliated with the project: STABILITY II: ACL reconstruction with BTB or quadriceps-tendon graft with or without LET.

Projects

• Single-bundle versus double-bundle ACL reconstruction; a prospective, randomized controlled study of 120 patients

  Project manager: Cathrine Aga

Publications

• 2026

  • Quadriceps and Hamstring Muscle Strength Recovery After a Multiligament Knee Injury: A Long-term Follow-up

    Trøan, Ingrid; Holm, Inger; Moatshe, Gilbert; LaRade, Robert F; Engebretsen, Lars; Bere, Tone

    American Journal of Sports Medicine 2026 Aug 12:3635465261466381. doi: 10.1177/03635465261466381. Online ahead of print.

• 2025

  • Patient-Reported Outcomes of Bicruciate Multiligament Versus Single Cruciate Multiligament Knee Injuries

    Trøan, Ingrid; Bere, Tone; Holm, Inger; LaPrade, Robert; Engebretsen, Lars; Moatshe, Gilbert

    American Journal of Sports Medicine 2025 Jan;53(1):138-146

  • No difference in osteoarthritis, but less graft failures after 5 years, comparing anatomic double-bundle to anatomic single-bundle ACL reconstruction

    Aga, Cathrine; Trøan, Ingrid; Heir, Stig; Risberg, May Arna; Rana, Tariq; Johansen, Steinar; Wang Fagerland, Morten; Engebretsen, Lars

    Knee Surgery, Sports Traumatology, Arthroscopy 2025 Aug;33(8):2781-2792.

  • Return to sport and work after multiligament knee injury

    Trøan, Ingrid; Bere, Tone; Holm, Inger; Løken, Sverre; LaPrade, Robert; Engebretsen, Lars; Moatshe, Gilbert

    Knee Surgery, Sports Traumatology, Arthroscopy 2026 Jan;34(1):329-337

• 2018

  • No difference in the KOOS Quality of Life subscore between anatomic double-bundle and anatomic single-bundle anterior cruciate ligament reconstruction of the knee: a prospective randomized controlled trial with 2 years’ follow-up

    Aga, Cathrine; Risberg, May Arna; Fagerland, Morten; Johansen, Steinar; Trøan, I; Heir, Stig; Engebretsen, Lars.

    American Journal of Sport Medicine 2018: Published online July 18