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Question

a major spine flexor; the name means "straight muscle of the abdomen"
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prime mover for shoulder flexion and adduction
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222-227 muscular

QuestionAnswer
a major spine flexor; the name means "straight muscle of the abdomen" rectus abdominus
prime mover for shoulder flexion and adduction pectoralis major
prime mover for shoulder abduction deltoid
forms the external lateral walls of the abdomen external oblique
acting alone, each muscle of this pair turns the head toward the opposite shoulder sternocleidomastiod
prime mover to protract and hold the scapula against the thorax wall; the "boxer's muscle" serratus anterior
four muscle pairs that together form the so- called abdominal girdle rectus abdominus; external and internal oblique; transverse abdominus
a flat, thoracic muscle deep to the pectoralis major that acts to draw the scapula inferiorly or to elevate the rib cage pectoralis minor
an unpaired muscle that acts in concert with the muscles named immediately above to accomplish inspiration diaphragm
deep muscles of the thorax that promote the inspiratory phase of breathing external intercostals
the deepest muscle of the abdominal wall transverse abdominus
a tendinous "seam" running from the sternum to the pubic symphysis that indicates the midline point of fusion of the abdominal muscle sheaths linea alba
a muscle that enables you to shrug your shoulders or extend your head trapezius
a muscle that adducts the shoulder and causes extension of the shoulder joint latissimus dorsi
the shoulder muscle that is the antagonist of the muscle described in question 2 above deltoid
prime mover of back extension; a composite muscle consisting of three columns erector spinae
a fleshy muscle forming part of the posterior abdominal wall that helps to maintain upright posture quadratus lumborum
acting individually, small rectangular muscles that rotate the glenoid cavity of the scapulae inferiorly rhomboids
synergist of the trapezius in scapular elevation; acts to flex the head to the same side levator scapulae
synergist of latissimus dorsi in extension and adduction of the humerus terres major
a rotator cuff muscle; prevents downward dislocation of the humerus supraspinatus
a rotator cuff muscle; rotates the humerus laterally infraspinatus
a rotator cuff muscle; lies immediately inferior to the infraspinatus terres minor
muscle that holds the scapula tightly against the thorax wall serratus anterior
kite-shaped muscle pair that elevates, stabilizes, and depresses the scapulae trapezius
small rectangular muscles that square the shoulders as they act together to retract the scapula rhomboids
small muscle pair that elevates the scapulae levator scapulae
two paired muscles forming the bulk of the pelvic diaphragm coccygeus; levator ani
muscles that form the urogenital diaphragm deep transverse perineal muscle; external urethral sphincter
muscles forming the superficial space bulbospongiosus; ischiocavernosus; superficial transverse pernieal muscle
a muscle that constricts the urethra external urethral sphincter
empties the urethra; assists in penile erection bulbospongiosus
the most important muscle pair in supporting the pelvic viscera; forms sphincters at the anorectal junction levator ani
retards venous drainage and helps maintain penile erection ischiocavernosus
elevates the first two ribs scalenes
prime mover of back extension; consists of three muscle columns erector spinae
one flexes the vertebral column laterally; the pair extends the lumbar spine and fixes the 12th rib quadratus lumborum
extends the vertebral column and head and rotates them to the opposite side semispinalis
prime mover of head flexion; spasms of one causes torticolis splenius
acting together, the pair extends the head; one rotates the head and bends it laterally sternocleidomastoid
Created by: alishasteward
 

 



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