Shared Flashcard Set

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Muscles to know
N/A
33
Anatomy
11th Grade
12/07/2009

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Cards

Term
Frontalis
Definition
(facial expression) raises eyebrows
Term
Orbicularis oculi
Definition
(facial expression) closes eye(winking)
Term
Orbicularis oris
Definition
(facial expression) moves lips(speech, whistling)
Term
Zygomaticus
Definition
(facial expression) raises lateral corners of mouth(smiling)
Term
Masseter
Definition
(mastication) elevates mandible, side-to-side, protrusion(chewing)
Term
Temporalis
Definition
(mastication) assists Masseter during mastication; elevates mandible
Term
Sternocleidomastoid
Definition
(neck-anterior and lateral) tilts head laterally and anteriorly
Term
Rectus abdominis
Definition
(abdomen) flexes vertebral column, aids in defecation, urination, vomiting, and childbirth
Term
Obliques
Definition
(abdomen) consists of an external and internal oblique both which compress abdoment, lateral bend in spine
Term
Diaphragm
Definition
(breathing) primary muscle of breathing; alters size of thoracic cavity
Term
Trapezius
Definition
(scapular stabilization) shrugs shoulders, extends head; retraction, elevation, depression, and upward rotation of scapula
Term
Rhomboid major and minor
Definition
(scapular stabilization) retraction of scapula
Term
Pectoralis minor
Definition
(scapular stabilization) assists serratus anterior in protraction of scapula, depression of shoulder and downward rotation of the scapula
Term
Supraspinatus
Definition
(Musculotendinous cuff(rotator cuff)) abductor- abduction of arm
Term
Infraspinatus
Definition
(Musculotendinous cuff(rotator cuff)) rotator-lateral rotation of arm
Term
Teres minor
Definition
(Musculotendinous cuff(rotator cuff)) rotator-lateral rotation of arm
Term
Subscapularis
Definition
(Musculotendinous cuff(rotator cuff)) rotator-medial rotation of arm
Term
Deltoid
Definition
(shoulder joint) abducts, flexes, extends and rotates arm
Term
Pectoralis major
Definition
(shoulder joint) flexes, adducts and rotates medially
Term
Latissimus dorsi
Definition
(shoulder joint) extends, adducts and rotates arm medially
Term
Biceps brachii
Definition
(shoulder joint) resisted flexion of the arm
Term
Triceps brachii (long head)
Definition
(shoulder joint) assists adduction and extension of the arm
Term
Biceps brachii
Definition
(elbow) flexion and supination
Term
Triceps brachii
Definition
(elbow) extension
Term
Gluteus maximus
Definition
(Gluteal region) adduction of hip/leg, extension of hip/thigh, lateral rotation of hip/leg
Term
Gluteus medius
Definition
(Gluteal region) abductor of the hip/leg, medial rotation of hip/leg, stabilizer of the pelvis
Term
Sartorius
Definition
(Anterior thigh) longest muscle flexion of the hip/thigh, flexion of knee/lower leg and lateral rotation of leg
Term
Quadriceps femoris
Definition
(anterior thigh) consists of four muscles the rectus femoris(flexion of the hip and extension of the knee), the Vastus lateralis (extension of the knee), the Vastus Intermedius ( extension of the knee), and the Vastus medialis ( extension of the knee)
Term
Iliopsoas
Definition
(anterior thigh) flexion of the hip/thigh
Term
Gracilis
Definition
(medial thigh) adduction of the hip/leg, flexion of the knee/lower leg
Term
Hamstrings
Definition
(posterior thigh) consists of three muscles the Semimembranosus, Semitendinosus, and Biceps femoris all function for flexion of the knee/lower leg and extension of the hip/thigh
Term
Tibialis Anterior
Definition
(anterior/lateral leg) dorsiflexion of the ankle and inversion of the foot
Term
Gastrocnemius
Definition
(posterior leg) flexion of the knee and plantarflexion of the ankle
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