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Table 1 Break down of orthopedic surgical procedures in group 1 and 2

From: The influence of preoperative knee flexion contracture severity on short-term outcome of orthopedic surgery in ambulatory children with bilateral cerebral palsy

Surgical procedures Group 1
(n = 30)
Group 2
(n = 30)
HS 3 3
HS / Calf 1 1
HS / Rectus 2 2
HS / Add 2 2
HS / Calf / Add 3 3
HS / Calf / Rectus / Add 1 1
HS / Calf / Add / Iliopsoas 1 1
HS / Foot 2 2
HS / Calf / Tibia 2 2
HS / Calf / Femur 1 1
HS / Knee capsule / Foot 1 1
HS / Rectus / Foot 2 2
HS / Add / Foot 1 1
HS / Calf / Rectus / Tibia 1 1
HS / Calf / Rectus / Femur 1 1
HS / Calf / Tibia / Femur 1 1
HS / Rectus / Foot / Tibia 2 2
HS / Rectus / Foot / Tibia / Femur 3 3
  1. HS: hamstring lengthening (semitendinosus transection and semimembranosus circumferential incision of the fascia at two levels and sometimes the corresponding fascia incisions of the biceps femoris to achieve at least 30–40 degrees of popliteal angle perioperative); Calf: calf muscle lengthening (gastrocnemius lengthening/resection was performed sometimes with an additional incision of the soleus fascia with the goal of achieving a plantar foot with the knee extended and care taken not to over lengthening); Add: hip adductor lengthening; Rectus: rectus femoris transfer; Tibia: tibia derotational osteotomy; Femur: femoral derotational osteotomy; Knee capsule: posterior knee capsule release. Iliopsoas: iliopsoas lengthening. Foot: foot correction with calcaneal lengthening or subtalar fusion, and a medial foot column correction/stabilization