===========================+===============+===========+======+=========== | T.p. | T.c.p. |T.c.a.| P.p. +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+--+-+-+-+-+-+- |1|1|2|2|3|3|4|5|1|1|2|2|3|4|1|1|2 |1|1|2|3|3|4 |L|R|L|R|L|R|L|R|L|R|L|R|L|L|L|R|L |L|R|L|L|R|L ---------------------------+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+--+-+-+-+-+-+- Ambiens | | | | | | | | | | | | | | | | | | | | | | | origin partly fleshy | | | | | | | | | | | | | | | |x| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Vastus lateralis | | | | | | | | | | | | | | | | | | | | | | | no vincula | | | | | | | | | | | |x| |x| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Extensor iliofibularis | | | | | | | | | | | | | | | | | | | | | | | insertional tendon double | | | | | | | | | |x| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Piriformis | | | | | | | | | | | | | | | | | | | | | | | posteroproximal corner | | | | | | | | | | | | | | | | | | | | | | | tendinous | |x| | | | | | | | |x| | | |x|x| |x| | | | | insertion fused to flexor | | | | | | | | | | | | | | | | | | | | | | | ischiofemoralis | | | | | | | | | | | |x| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Iliotrochantericus medius | | | | | | | | | | | | | | | | | | | | | | | not notched | | | | |x|x| | | | | | | | |x| | | | | | | | anterior part with fleshy | | | | | | | | | | | | | | | | | | | | | | | origin | | | | | | | | | | | | | |x| | | |x| |x| | |x insertion fused to gluteus| | | | | | | | | | | | | | | | | | | | | | | profundus | | | | | | | | | | | | | | | |x| | | | | | | muscle split | | | | | | | | | | | | | | | | | |x| | | | | | | | | | | | | | | | | | | | | | | | | | | | Flexor cruris lateralis | | | | | | | | | | | | | | | | | | | | | | | accessory slip present | | | | | | | | | | | |x| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Flexor cruris medialis | | | | | | | | | | | | | | | | | | | | | | | origin from pubis | | | | | | | | | | | | |x| | |x| | | | | | | insertion partly fleshy | | | | | | | | | | | | | | | | | | |x|x| |x|x insertional tendon split | | | | | | | | | | | | | | | | | | |x| | | | | | | | | | | | | | | | | | | | | | | | | | | Caudofemoralis | | | | | | | | | | | | | | | | | | | | | | | accessory slip fleshy | |x|x| | | | | | | | | | | | | | | | | | | |