10. Patella and stabilising function:medial joint line, quadriceps tendon, lateral joint line, patellar tendon, tibial tuberosity

11. Range of movement: extension, flexion

12. Soft tissue healing. Acute inflammation blood clot forms, tissue disruption. 72 hours. Regeneration clot shrinks, new fibrous tissue forms. 72 hours – 6/8 weeks. Re-modelling tissue fibres become organised. 6/8 weeks – 6/12 months.

13. Bone healing: haematoma, week 1. soft callus, week 2 to 3. hard callus weeks 4 to 16. remodelling week 17 onwards