Life University Musculoskeletal Gross Anatomy Midterm| 173 questions| with complete solutions
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Course
Musculoskeletal Gross Anatomy
Institution
Life University
Superior Trapezius M CORRECT ANSWERS: O: Superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous process C7
I: Lateral third of clavicle
A: Superior rotation of scapula, elevation of shoulder, adduction of scapula
N: Spinal accessory CN XI (motor) and C3-C4 (propriocep...
life university musculoskeletal gross anatomy midterm| 173 questions| with complete solutions
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Life University Musculoskeletal Gross Anatomy Midterm| 173
questions| with complete solutions
Superior Trapezius M CORRECT ANSWERS: O: Superior nuchal line, external occipital
protuberance, ligamentum nuchae, spinous process C7
I: Lateral third of clavicle
A: Superior rotation of scapula, elevation of shoulder, adduction of scapula
N: Spinal accessory CN XI (motor) and C3-C4 (proprioception)
V: Transverse Cervical Artery
Middle Trapezius M CORRECT ANSWERS: O: Spinous processes of C7-T6
I: Acromion, spine of scapula
A: adduction of scapula
N: Spinal accessory CN XI (motor) and C3-C4 (proprioception)
V: Transverse Cervical Artery
Lower Trapezius M CORRECT ANSWERS: O: Spinous processes of T7-T12
I: Tubercle of base of scapular spine
A: Superior rotation of scapula, draws scapula downward, adduction of scapula
N: Spinal accessory CN XI (motor) and C3-C4 (proprioception)
V: Transverse Cervical Artery
Latissimus Dorsi M CORRECT ANSWERS: O: Aponeurosis fused with thoracolumbar fascia
(spinous processes and supraspinous ligaments of T6-sacrum, posterior part of iliac crest), ribs 9-
12, inferior angle of scapula
I: Bottom of intertubercular groove of humerus
A: Extends, adducts, and medially rotates humerus (down stroke)
N: Thoracodorsal nerve (C6-8) aka middle scapular nerve
V: Thoracodorsal vessels
Levator Scapulae M CORRECT ANSWERS: O: Transverse processes of C1-C4
I: Vertebral boarder of scapula above the spine
A: Elevates, inferior rotation, adducts scapula
N: C3, C4 of cervical plexus, dorsal scapular nerve (C5 root of brachial plexus)
V: Dorsal Scapular Vessels
Rhomboid Minor M CORRECT ANSWERS: O: Inferior part of ligamentum nuchae, spinous
processes C7-T1
I: Vertebral boarder of scapula at base of spine
A: Adduct, inferior rotation of scapula
N: Dorsal scapular nerve (C5 root of brachial plexus)
V: Dorsal Scapular Vessels
Rhomboid Major M CORRECT ANSWERS: O: Spinous processes T2-T5 and their
supraspinous ligaments
I: Vertebral boarder of scapula below the spine
,A: Adduct, inferior rotation of scapula
N: Dorsal scapular nerve (C5 root of brachial plexus)
V: Dorsal Scapular Vessels
Serratus Posterior Superior M CORRECT ANSWERS: O: Inferior end of ligamentum nuchae,
spinous processes C7-T3
I: Ribs 2-5 lateral to their angles
A: Elevates upper ribs
N: Intercostals T2-T4
Serratus Posterior Inferior M CORRECT ANSWERS: O: Spinous processes T11-L2 and their
supraspinous ligaments
I: Ribs 9-12 lateral to their angles
A: Draws ribs out and downward (opposes inward pull of diaphragm)
N: Intercostal T9-T11 and subcostal T12
Splenius Capitis M CORRECT ANSWERS: O: Inferior half of ligamentum nuchae, spinous
process C7-T12
I: Mastoid process and superior nuchal line
A: Extend and rotate head and neck ipsalaterally
N: Dorsal rami of middle and lower cervical nerves
Splenius Cervicis M CORRECT ANSWERS: O: Spinous processes T3-T6
I: Transverse processes C1, C2
A: Extend and rotate neck
N: Dorsal rami of lower cervical nerves
Erector Spinae Group CORRECT ANSWERS: AKA Sacrospinalis
-Iliocostalis
-Longissimus
-Spinalis
Iliocostalis Lumborum M CORRECT ANSWERS: O: Lateral aspect of common tendon of
origin
I: Angles of lower six or seven ribs
A: Extend, lateral flexion, assist rotation of the spine
N: Dorsal rami of local spinal nerves
Iliocostalis Thoracis M CORRECT ANSWERS: O: Angles of lower six ribs
I: Angles of upper six ribs and transverse process of C7
A: Extend, lateral flexion, assist rotation of the spine
N: Dorsal rami of local spinal nerves
Iliocostalis Cervicis M CORRECT ANSWERS: O: Angles of ribs 3-6
I: Transverse process of C4-C6
A: Extend, lateral flexion, assist rotation of the spine
, N: Dorsal rami of local spinal nerves
Longissimus Thoracis M CORRECT ANSWERS: O: Common tendon of origin of erector
spinae, spinous, transverse, and accessory processes of lumbar vertebrae
I: Transverse processes of T1-T12 and lower ten ribs between tubercles and angles
A: Extend, laterally flex spine, depress ribs
N: Dorsal rami of local spinal nerves
Longissimus Cervicis M CORRECT ANSWERS: O: Transverse process T1-T5
I: Transverse processes C2-C6
A: Extend, laterally flex neck
N: N: Dorsal rami of local spinal nerves
Longissimus Capitis M CORRECT ANSWERS: O: Transverse processes T1-T5, articular
process C4-C7
I: Mastoid process deep to splenius and sternocleidomastoid
A: Extend, laterally flex, rotate head
N: Dorsal rami of local spinal nerves
Spinalis Thoracis M CORRECT ANSWERS: O: Spinous processes T11-T12
I: Spinous processes T1-T8
A: Extend spine
N: Dorsal rami of local spinal nerves
Spinalis Cervicis M CORRECT ANSWERS: O: Lower igamentum nuchae, spinous process C7-
T2
I: Spinous process C2 (3,4)
A: Extend spine
N: Dorsal rami of local spinal nerves
Spinalis Capitis M CORRECT ANSWERS: O: Part of semispinalis capitis and spinous
processes C7-T1
I: Occipital bone between superior and inferior nuchal line
A: Extend spine
N: Dorsal rami of local spinal nerves
Semispinalis Thoracis M CORRECT ANSWERS: O: Transverse processes T6-T10
I: Spinous processes C6-T5
A: Extend, lateral flex and rotate spine contralaterally
N: Dorsal rami of local spinal nerves
Semispinalis Cervicis M CORRECT ANSWERS: O: Transverse processes T1-T6
I: Spinous processes C2-C5
A: Extend, lateral flex and rotate spine contralaterally
N: Dorsal rami of local spinal nerves
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