单词	quadriceps
释义	quadriceps /ˈkwɒdrɪsɛps / noun (plural same) Anatomy The large muscle at the front of the thigh, which is divided into four distinct portions and acts to extend the leg: front squats place more emphasis on the quadriceps... Bilateral thigh pain or weakness with atrophy of the iliopsoas, quadriceps, and adductor muscles also may be present. You also use lower-body muscles including your quadriceps, hip flexors and gluteus maximus. The deep branch innervates the quadriceps muscle, knee joint, and medial ligament. Origin Mid 16th century: from Latin, literally 'four-headed'.
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