Flexor of hip joints are all except
Muscles assisting in flexion are psoas major ,iliacus,saorius ,rectus femoris and pectineus. Gluteus maximus is the chief extensor of the hip joint. Reference: Textbook of anatomy,Abdomen and Lower limb, Vishram Singh, 2nd editon, page no.383
Psaoas major
Saorius
Gluteus maximus
Rectus femoris
Lower limb