Kuntzman/tortora A&p Ch.12 The Muscular System:the Muscles Of The Torso

Front 1

Girdle muscle?

Back 1

Transversus Abdominis

Front 2

Anterolateral Ab. wall muscles?

Back 2

-Rectus Abdominis
-External Oblique
-Internal Oblique
-Transversus Abdominis
-Linea Alba
-Umbilicus

Front 3

Formed by muscles at midline?

Back 3

Linea Alba

Front 4

The navel is called what?

Back 4

Umbilicus

Front 5

The innervation for the anterolateral abdominal wall muscles?

Back 5

Thoracic Spinal Nerves

Front 6

Deepest lower back muscle?

Back 6

Quadratus Lumborum

Front 7

Pulls twelfth ribs down during forced inhalation?

Back 7

Quadratus Lumborum

Front 8

Unilateral chronic spasm of the quadratus lumborum does what?

Back 8

Elevates Pelvis and Lowers Limb; " Short Leg Syndrome"
(leg length discrepancy/LLD)

Front 9

Muscles of breathing?

Back 9

– Diaphragm
– External Intercostals
– Internal Intercostals

Front 10

Dome – shaped muscle separates thoracic and abdominal cavities?

Back 10

Diaphragm

Front 11

3 major openings in diaphragm are what?

Back 11

– Aortic Hiatus
– Vena Cava Foramen
– Esophageal Hiatus (associated with hiatal hernia)

Front 12

Innervation for the external and internal intercostals?

Back 12

Thoracic Spinal Nerves

Front 13

What separates pelvic cavity above from perineum below?

Back 13

Pelvic Diaphragm

Front 14

What is associated with urogenital organs and Anorectal region?

Back 14

Perineum

Front 15

What are the 2 splenius muscles?

Back 15

– Splenius Capitis
– Cervicis

Front 16

What does the splenius muscle do unilaterally?

Back 16

Rotates Head to Same Side (O inside I)

Front 17

What muscle group contains the main extensors of the vertebral column?

Back 17

Erector Spinae Muscles

Front 18

With the erectors spinae muscles, the iliocostalis is what to the other muscles?

Back 18

Lateral

Front 19

With the erector spinae muscles, the longissimus is what to the other muscles?

Back 19

Intermediate

Front 20

With the erector spinae muscles, the spinalis is what to the other muscles?

Back 20

Medial

Front 21

What does the transversospinalis muscle do unilaterally?

Back 21

Rotates head And Vertebral Column to Opposite Side
(O outside I)

Front 22

What are the 2 segmental muscles?

Back 22

– Interspinales
– Intertransversarii

Front 23

What type of muscles crossed the fewest numbers of intervertebral joints?

Back 23

Segmental muscles

Front 24

The interspinales action is what?

Back 24

Extension

Front 25

The inertransversarii action is what?

Back 25

-Lateral Flexion
-Extension

Front 26

With suboccipital muscles what is the posterior major and minor called?

Back 26

Rectus Capitis

Front 27

With suboccipital muscles what is the superior and inferior muscles called?

Back 27

Obliquus Capitis

Front 28

What are the actions of the obliquus muscle?

Back 28

– Extends Head
– Stabilizes and Control Spine Movement of Atlanto – Occipital Joint

Front 29

Amount of force, repetition, posture and stress applied to the vertebral column is a factor associated with?

Back 29

Increased Risk for Back Injuries

Front 30

Poor physical condition, posture, lack of exercise, and excessive body weight contribute to sprains and strains is a factor associated with?

Back 30

Increased Risk for Back Injuries

Front 31

Improper lifting of heavy weight constrain the erector spinae muscles is a factor associated with?

Back 31

Increased Risk for Back Injuries

Front 32

It's important to bend the knees and use powerful thigh extensor muscles while lifting a heavy load to?

Back 32

Prevent Back Injuries

Front 33

The rectus abdominis, external oblique, and transversus abdominis all have one function in common, what is it?

Back 33

All function To Compress the Abdomen

Front 34

The action of the sternocleidomastoid muscle is antagonist to the?

Back 34

Longissimus Capitis Muscle

Front 35

The transversus abdominals muscle is located ____to the internal oblique muscle?

Back 35

Deep

Front 36

Which muscle flexes the vertebral column?

Back 36

Rectus Abdominis

Front 37

The diaphragm muscles insert on the?

Back 37

Strong Apponeurosis Called the Central Tendon

Front 38

The levator ani and the coccygeus muscle together do what?

Back 38

Support And Slightly Raised the Pelvic Floor

Front 39

The most lateral muscle of the pelvic diaphragm is the?

Back 39

Coccygeus

Front 40

The base of the penis is surrounded by the _____muscle?

Back 40

Bulbospongiousus

Front 41

Which muscles that move the vertebral column run parallel with the vertical axis of the spine?

Back 41

Erector Spinae Group

Front 42

Which of the following muscle is the shortest, with origin and insertion between adjacent vertebrae? A) iliocostalis B) Semispinalis C) Splenius D)Rotatores

Back 42

Rotatores

Front 43

Which of the muscle groups that extends the vertebral column is located most laterally?

Back 43

Iliocostalis

Front 44

Which muscles of the vertebral column originate and insert only on the transverse processes of the vertebrae?

Back 44

Intertransversarii

Front 45

Which muscle acts only in compression of the abdomen?

Back 45

Transverse Abdominis

Front 46

Which muscle stabilizes the ribs in forced inhalation?

Back 46

Quadratus Lumborum

Front 47

Which muscle contracts during forced inhalation?

Back 47

Internal Intercostals

Front 48

Which of the below is located in the ventral region?
A) Multifidus
B) Transverse Abdominis
C) Splenius Capitis
D) Gluteus Maximus

Back 48

Transverse abdominis

Front 49

Tendinous intersections?

Back 49

Rectus Abdominis

Front 50

Forms inguinal ligament; associated with inguinal hernia?

Back 50

External Oblique

Front 51

The rectus abdominis, external oblique, internal oblique, and transverse abdominis all do what?

Back 51

Compress the Abdomen

Front 52

Posterior abdominal wall; bulky and stable?

Back 52

Quadratus Lumborum

Front 53

Laterally flexes trunk elevating it "hip hiker"

Back 53

Unilaterally (quadratus lumborum)

Front 54

Stabilizes 12th ribs during forced exhalation?

Back 54

Quadratus Lumborum

Front 55

Most important muscle involved in breathing?

Back 55

Diaphragm

Front 56

During inhalation (breathing in) this muscle contracts (flattens) increasing thoracic cavity?

Back 56

Diaphragm

Front 57

During exhalation (breathing out) this muscle relaxes moving superiorly decreasing thoracic cavity?

Back 57

Diaphragm

Front 58

Innervation for the diaphragm?

Back 58

Phrenic Nerve

Front 59

During forced inhalation this muscle elevates ribs increasing anteroposterior and lateral thoracic cavity dimensions?

Back 59

External Intercostals

Front 60

During forced exhalation this muscle pulls ribs down and in and decreasing anteroposterior and lateral thoracic cavity dimensions?

Back 60

Internal Intercostals

Front 61

Both these muscles support pelvic viscera and resists inferior movement during coughing, vomiting, urination and defecation?

Back 61

– Levator Ani
– Ischiococcygeus

Front 62

What are the 2 components of the levator ani?

Back 62

– Pubococcygeus
– Iliococcygeus

Front 63

This is associated with urogenital organs and anorectic region?

Back 63

Perineum

Front 64

These muscles are not found in the perineum only on the pelvic floor?

Back 64

Coccygeus Muscles

Front 65

These muscles are on the sides and back of the neck?

Back 65

Splenius Muscles

Front 66

What do splenius muscles do bilaterally?

Back 66

Extends Head (O below I)

Front 67

What are the 3 groups of erector spinae muscles?

Back 67

– Iliocostalis (lateral)
– Longissimus (Intermediate)
– Spinalis (medial)

Front 68

The transversospinalis muscles, semi-spinalis capitis, cervicis, thoracis, multifidus, and rotatores originate and insert where?

Back 68

O – Transverse Processes
I – Spinous Processes

Front 69

The transversospinalis muscles do what bilaterally?

Back 69

Extends Head And Vertebral Column

Front 70

Common source of headache?

Back 70

Suboccipital Muscles, Obliquus Capitis, and Rectus Capitis