MUSCLE Flashcards
what is in charge of the elevation of the eyebrow and retracts the scalp
Frontalis
what pulls epicranial aponeurosis to elevate eyebrow and retracts scalp (that’s not visible)
Occipitalis
what sphincter muscle closes the eye, and allows blinking/squinting
Orbicularis Oculi
What muscle elevates the corners of the mouth
Zygomaticus
What sphincter muscle closes the mouth and puckers the lips
Orbicularis Oris
What muscle compresses the cheek
Buccinator
What muscle elevates the mandible
Temporalis
What muscle elevates and protracts the mandible
Masseter
What muscle flexes the neck and pulls head to one side?
Sternocleidomastoid
What muscle elevates the shoulder and pectoral girdle
Upper Group of Trapezius
What muscle pulls the scapulae medially and retracts the scapulae
Middle Group of Trapezius
What pulls the shoulder/pectoral girdle downward
Lower Group Trapezius
What muscle abducts shoulder and rotates arm medially and laterally at the shoulder
Deltoid
What muscle extends, adducts and medially rotates arm at shoulder
Latissimus dorsi
What muscle provides attachment for abdominal muscles
Linea alba
What compresses the abdominal cavity
External Oblique
What muscle adducts and medially rotates the arm at shoulder (flexion)
Pectoralis major
What rotates superiorly and stabilizes scapulae
Serratus anterior
What compresses abdominal cavity/ flexes trunk
Rectus abdominis
What raises the ribs during forceful inspiration; while also abducts and depresses scapulae
Pectoralis minor
What is deep to the external oblique and compresses abdominal cavity
Internal Oblique
Do transversus abdmoninis fibers run horizontally or vertically
horizontally
do internal oblique fibers run inferiorly or laterally
both
Do rectus abdominis fibers run vertically or horizontally
vertically