Table 1 Participant and physical therapist inclusion and exclusion criteria

- Men and women 16 years or older

- Traumatic knee injury (e.g., ligament, meniscal, patellar, or chondral injury), with or without surgical intervention, and involving one or more knee structures

- Currently undergoing physical therapist-supervised rehabilitation training

- Have reached the stage in their rehabilitation which includes single-leg hop training, as well as a change of direction

- Active before the injury in recreational or competitive physical activity, with a goal of returning to physical activity

- Any degenerative knee disorder (e.g., osteoarthritis), or other disease or disorder (e.g., spine disorder, neurological disease) overriding the traumatic knee injury

- Reached end-stage rehabilitation (i.e., have undergone a return to physical activity evaluation by their physical therapist, or is estimated to return less than 12 weeks from potential inclusion date)

- Do not understand the languages of interest (Scandinavian languages, English)

Inclusion

- At least 2 years’ experience of treatment with training for musculoskeletal disorders

- Treat patients with a knee injury on a weekly basis