muscles of the back Flashcards

1
Q

what are the two disivisions of the muscles of the back

A

the superficial group - related to the upper limb
deep group - acts on the vertebral column

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2
Q

what are the superficial muscles of the back

A

the trapezius, lattismus dorsi, levator scapulae, rohomboid minor, rhomboid major

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3
Q

what are the deep muscles of the back

A

erector spinae - comprised of iliocostalis, longissimus, spinalis
splenius, rotators, multifidus, semispinalis

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4
Q

attachments of the latissmus dorsi

A

throacic and lumbar spine, sacrum and iliac crest. then it inserts laterally into the humorous

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5
Q

attachments of the trapezius muscles

A

skull, spinous processes of cervical and thoracic vertebrae - medial
spine of the scapula and lateral third of the clavical - lateral

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6
Q

what are the deep back muscles enclosed in

A

thoracolumbar fascia

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7
Q

what are the main extensors of the spinal column

A

erector spinae group

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8
Q
A
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