Brainscape's Knowledge GenomeTM

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


See full index

ACMT > Module 5 Muscles > Flashcards

Module 5 Muscles Flashcards

1
Q

Pectoralis Major - Innervation

A

UPPER FIBRES:
Lateral pectoral nerve

LOWER FIBRES:
Lateral and medial pectoral nerves

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

Pectoralis Major - Origin

A

Medial 1/2 clavicle
Sternum
Cartilage of ribs 1-6

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

Pectoralis major - Insertion

A

Crest of greater tubercle of humerus

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

Pectoralis Major - Actions

A

ALL FIBRES:
ADDUCT the shoulder at the glenohumeral joint
MEDIALLY ROTATE the shoulder at the glenohumeral joint
Assist to ELEVATE the thorax during forced inhalation (with the arm fixed)

UPPER FIBRES:
FLEX the shoulder at the glenohumeral joint
HORIZONTALLY ADDUCT the shoulder at the glenohumeral joint

LOWER FIBRES:
EXTEND the shoulder at the glenohumeral joint

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

Quadratus Lumborum - Innervation

A

Lumbar plexus T12, L1, 2, 3

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

Quadratus Lumborum - Origin

A

Posterior iliac crest

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

Quadratus Lumborum - Insertion

A

Last rib
Transverse processes of L1-4

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

Quadratus Lumborum - Actions

A

UNILATERALLY:
LATERALLY TILT (ELEVATE) the pelvis
LATERALLY FLEX the vertebral column to the SAME SIDE

BILATERALLY:
Assist to EXTEND the vertebral column
FIX the last rib during forced inhalation and exhalation
TILT the pelvis anteriorly

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

INTERCOSTALS (External & Internal) - Innervation

A

Thoracic nerve

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

INTERCOSTALS (External & Internal) - Origin

A

Inferior border of the rib above

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

INTERCOSTALS (External & Internal) - Insertion

A

Superior border of the rib below

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

INTERCOSTALS (External & Internal) - Actions

A

EXTERNAL:
Draw the ribs superiorly (Increasing the space of the thoracic cavity) to assist with inhalation

INTERNAL:
Draw the ribs inferiorly (decreasing the space of the thoracic cavity) to assist with exhalation

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

Rectus Abdominis - Innervation

A

T5, 6, 7-11, T12, ventral rami

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

Rectus Abdominis - Origin

A

Pubic crest
Pubic symphysis

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

Rectus Abdominis - Insertion

A

Cartilage of ribs 5-7
Xiphoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Rectus Abdominis - Actions

A

FLEX the vertebral column
TILT the pelvis posteriorly

17
Q

External Obliques - Innervation

A

(T5, 6), T7-11, T12

18
Q

External Obliques - Origin

A

External surfaces of ribs 5-12

19
Q

External Obliques - Insertion

A

Anterior part of the iliac crest
Rectus sheath to linea alba

20
Q

External Obliques - Actions

A

UNILATERALLY:
LATERALLY FLEX vertebral column to same side
ROTATE vertebral column to opposite side

BILATERALLY:
FLEX the vertebral column
COMPRESS the abdominal contents

21
Q

Internal Obliques - Innervation

A

T7, 8, T9-12, L1,
Iliohypogastric and ilioinguinal,
Ventral rami

22
Q

Internal obliques - origin

A

Lateral inguinal ligament
Iliac crest
Thoracolumbar fascia

23
Q

Internal obliques - insertion

A

Internal surface of the lower 3 ribs
Rectus sheath to linea alba

24
Q

Internal obliques - actions

A

UNILATERALLY:
LATERALLY FLEX vertebral column to same side
ROTATE vertebral column to same side

BILATERALLY:
FLEX the vertebral column
COMPRESS the abdominal contents

25
Q

Diaphragm - innervation

A

Phrenic C3, 4, 5

26
Q

Diaphragm - Origin

A

COSTAL ATTACHMENT:
Inner surface of the lower 6 ribs

LUMBAR ATTACHMENT:
Upper 2 or 3 lumbar vertebrae

STERNAL ATTACHMENT:
Inner part of xiphoid process

27
Q

Diaphragm - insertion

A

Central tendon

28
Q

Diaphragm - Actions

A

DRAW DOWN the central tendon of the diaphragm
INCREASE the volume of the thoracic cavity during inhalation

29
Q

Iliopsoas (Psoas Major & Iliacus) - Innervation

A

PSOAS MAJOR:
Lumbar plexus L1, 2, 3, 4

ILIACUS:
Femoral nerve L(1), 2, 3, 4

30
Q

Iliopsoas (Psoas Major & Iliacus) - origin

A

PSOAS MAJOR:
Bodies and transverse processes of lumbar vertebrae

ILIACUS:
Iliac fossa

31
Q

Iliopsoas (Psoas Major & Iliacus) - insertion

A

BOTH:
Lesser trochanter

32
Q

Iliopsoas (Psoas Major & Iliacus) - actions

A

WITH ORIGIN FIXED:
FLEX the hip at the coxal joint
May LATERALLY ROTATE the hip at the coxal joint

WITH INSERTION FIXED:
FLEX the trunk toward the thigh
TILT the pelvis anteriorly

PSOAS MAJOR ONLY:
UNILATERALLY:
Assist to LATERALLY FLEX the lumbar spine

ACMT (20 decks)

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