Muscle List Flashcards
Orbicularis Oris
Function: Purses Lips
Orbicularis Oculi
Closes eyes
Masseter
Elevates (closes) lower jaw
Sternocleidomastoid
Rotates head, flexes neck
Pectoralis Major
Adducts (pulls toward body) arm
Rectus Abdominus
Flexes and rotates vertebra, “sit ups”
External Oblique
Flexes and rotates vertebra, “sit ups”
Transversus Abdominus
Compresses abdominal contents
Trapezius
Extends head, adducts scapula
Deltoid
Abducts (pulls away from body) arm, rotation of humerus
Latissimus Dorsi
Adducts and rotates arm, depresses scalpula
Gluteus Maximus
Extends Thigh, Laterally rotates and abducts thigh
Triceps Brachii
Extends the forearm
Biceps Brachii, forearm supination
Flexes arm at elbow
Vastus Lateralis
Extends and stabilizes knee, quadricep group
Vastus Intermedius
Extends and stabilizes knee, quadricep group
Vastus Medialis
Extends and stabilizes knee, quadricep group
Rectus Femoris
Extends and stabilizes knee and flexes thigh at the hip, quadricep group
3 muscles of hamstrings group
Semitendinosus—-Extends thigh, flexes knee, rotates leg, medially
Semimembranosus——-Extends Thigh, flexes knee, rotates leg medially
Biceps Femoris—–Extends thigh, rotates leg laterally, flexes knee