I remember "rectus femoris" as the "rectum/butt-kicking" muscle. It helps to both extend and raise the knee, like you'd do when kicking someone. Not directly relevant to this question, but they can always ask about action too.
uYo wlduo tihnk teh ecsurt omfseri is ni the cbak cb tcreu,m nda ebpsci si ni het tnofr. tBu o.n Okya t.enh
submitted by โsympathetikey(1600)
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