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Rectus femoris transfer

Rectus femoris transfer. 분당서울대학교병원 이승열. Rectus femoris muscle. Origin Anterior Inferior Iliac Spine and Ilium above toe acetabulum. Insertion Quadriceps tendon to base of patella and onto tibial tuberosity via the patellar tendon Nerve to muscle Femoral nerve (L2-L4).

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Rectus femoris transfer

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  1. Rectus femoris transfer 분당서울대학교병원 이승열

  2. Rectus femoris muscle • Origin • Anterior Inferior Iliac Spine and Ilium above toe acetabulum

  3. Insertion • Quadriceps tendon to base of patella and onto tibial tuberosity via the patellar tendon • Nerve to muscle • Femoral nerve (L2-L4)

  4. Stiff knee gait

  5. One of m/c gait abnormality in patients with spastic CP • Typical finding • Decreased ROM of knee during swing phase • Foot clearance problem • Reduced gait velocity • Reduced step length

  6. Rectus femoris transfer • Conventional treatment

  7. Indication • Positive Duncan-Ely sign

  8. Gait analysis Decreased knee flexion in swing Decreased and delayed peak knee flexion in sweing

  9. Dynamic electromyography • Pathological increased activity of the rectus femoris muscle

  10. OP technique

  11. Outcome

  12. Keep the rectus as a hip flexor • Convert the rectus into a knee flexor??? • Elimination of the rectus femoris activity

  13. Study plan • Patients • 321 pts • Factors affecting the results of RFT • Age • Gender • Anatomical type • Functional scale (GMFCS level) • SEMLS concomitant with RFT

  14. Long term results • LMM? • Gait analysis (knee sagittal motion) • GDI

  15. MRI study 진행상황

  16. SNUBH 근력측정 기기

  17. Isokinetic muscle strength • Isometric muscle strength

  18. Hip • Flexion/extension • Adduction/abduction • Knee • Flexion/extension • Ankle • Dorsiflexion/plantarflexion • Inversion/eversion

  19. Thank you!!

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