Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy Muscles > Back Muscles > Flashcards

Back Muscles Flashcards

0
Q

Latissimus dorsi

A

PA: Spinous processes of T7-T12, thoracolumbar fascia, iliac crest
DA: humerus (intertubercular sulcus)
A: extends, ADducts, & medially rotates humerus
N: thoracodorsal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Trapezius

A

PA: superior nuchal line, external occipital protuberance, nuchal ligament, spinous processes (C7-T12)
DA: spine & acromion of scapula, lateral 1/3 of clavicle
A: elevates, retracts, depresses scapula & upward rotation of Glenoid cavity
N: accessory nerve (CN XI)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Levator scapulae

A

PA: transverse processes of C1-C4
DA: upper medial border of scapula
A: elevate scapula, downward rotation of glenoid cavity
N: dorsal scapular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Rhomboid minor

A

PA: nuchal ligament, spinous processes C7-T1
DA: medial border of scapula
A: retracts scapula, downward rotation of glenoid cavity
N: dorsal scapular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Rhomboid major

A

PA: spinous processes T2-T5
DA: medial border of scapula
A: retracts scapula, downward rotation of glenoid cavity
N: dorsal scapular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Serratus posterior superior

A

PA: nuchal ligament, spinous processes (C7-T3)
DA: ribs 2-4
A: proprioception (elevate ribs)
N: intercostal nerve (thoracic anterior rami)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Serratus posterior inferior

A

PA: spinous processes (T11-L2)
DA: ribs 8-12
A: proprioception (depress ribs)
N: inferior thoracic anterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Splenius capitis & Splenius cervicis

A

PA: nuchal ligament, spinous processes (C7-T4)
DA: (capitis) mastoid process, superior nuchal line
(cervicis) transverse processes (C1-C4)
A: bilateral–> extend head & neck
unilateral –> ipsilateral lateral flexion of neck & rotation of head
N: posterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Spinalis

A

PA: broad common tendon, spinous processes of sacral and lumbar vertebrae
DA: spinous processes of upper thoracic and cranium
A: bilateral –> extend vertebral column & head
unliateral –> ipsilateral lateral flexion of vertebral column
N: posterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Longissimus

A

PA: broad common tendon, spinous processes of sacral and lumbar vertebrae
DA: ribs, mastoid process, transverse processes of thoracic and cervical vertebrae
A: bilateral –> extend vertebral column & head
unliateral –> ipsilateral lateral flexion of vertebral column
N: posterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Iliocostalis

A

PA: broad common tendon, spinous processes of sacral and lumbar vertebrae
DA: lower ribs, transverse processes of cervical vertebrae
A: bilateral –> extend vertebral column & head
unliateral –> ipsilateral lateral flexion of vertebral column
N: posterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Semispinalis

A

Span 4-6 vertebrae
PA: transverse processes (C4-T10)
DA: spinous processes cervical and thoracic vertebrae (capitis= occipital bone)
A: bilateral–> extends vertebral column & head
unilateral–> contra lateral rotation of vertebral column & head
N: posterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Multifidus

A

Span 2-4
PA: transverse processes & aponeurosis of erector spinal mm.
DA: spinous processes
A: bilateral–> extends vertebral column & head
unilateral–> contra lateral rotation of vertebral column & head, stabilize
N: posterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Rotatores

A

Span 1-2
PA: transverse processes
DA: spinous processes
A: bilateral–> extends vertebral column & head
unilateral–> contra lateral rotation of vertebral column & head, stabilize, proprioception
N: posterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Levator costarum

A

PA: transverse processes of (C7-T11)
DA: rib ( between tubercle and angle)
A: elevate ribs, assist with lateral flexion of vertebral column
N: posterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Intertransversarii

A

PA: cervical and lumbar transverse processes
DA: transverse processes of adjacent vertebrae
A: bilateral–> lateral flexion
unilateral –> stabilize vertebral column
N: posterior rami

16
Q

Interspinalis

A

PA: spinous processes of cervical and lumbar vertebrae
DA: spinous processes of adjacent vertebra
A: extension and rotation of vertebral column
N: posterior rami

17
Q

Rectus capitis posterior major

A

PA: spinous process of C2
DA: inferior nuchal line
N: Suboccipital (motor) & Greater Occipital (sensory)

18
Q

Rectus capitis posterior minor

A

PA: posterior tubercle of C1 (Atlas)
DA: inferior nuchal line
N: Suboccipital (motor) & Greater Occipital (sensory)

19
Q

Obliquus capitis superior

A

PA: transverse process of C1 (Atlas)
DA: between superior & inferior nuchal line
N: Suboccipital (motor) & Greater Occipital (sensory)

20
Q

Obliquus capitis inferior

A

PA: spinous process of C2 (Axis)
DA: transverse process of C1 (Atlas)
N: Suboccipital (motor) & Greater Occipital (sensory)

Anatomy Muscles (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions