di Roll Rectus Femoris εksεsayz na bεnεfit wokaut we de tכk bכt di kwadriseps fכs, we de εnhans fכ fleksibul, εn fכ mek di mכsul dεm rεkכvεshכn. I fayn fɔ atlet dɛn, mɔ di wan dɛn we de rɔn ɛn di wan dɛn we de rayd baysikul, we nid fɔ gɛt strɔng ɛn fleksibul leg mɔsul dɛn, bɔt i kin bɛnifit ɛnibɔdi we de luk fɔ mek di bɔdi gɛt mɔ trɛnk ɛn fɔ mek i ebul fɔ chenj. We dɛn put dis ɛksesaiz insay dɛn rutin, dɛn kin mek di mɔsul dɛn nɔ tayt, i kin mek dɛn ebul fɔ muv fayn fayn wan, ɛn i kin mek dɛn nɔ gɛt injury na dɛn leg.
Yɛs, di wan dɛn we de bigin kin du di Roll Rectus Femoris ɛgzampul. Bɔt, i impɔtant fɔ bigin sloslo ɛn saful saful fɔ mek yu nɔ wund. dis εksεsayz de bεnεfit fכ strεch εn rεliv tεnshכn na di rεktus fεmoris mכsul, we na wan pan di fכ kכdrisεps mכsul dεm na di tכŋ. I fayn ɔltɛm fɔ tɔk to pɔsin we sabi bɔt fitnɛs ɔ pɔsin we de mɛn yu bɔdi fɔ mek shɔ se yu gɛt di rayt tɛknik ɛn alaynɛshɔn.