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Study sets matching "thoracic muscles"

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Study sets matching "thoracic muscles"

34 terms
Thoracic Muscles
5 muscles that make up the thoracic cage
Intercostals
External Intercostals
External Intercostal Attachments
the intercostals (external, internal & innermost), subcostals…
lie in the intercostal spaces between ribs. Organized into 3…
11 pairs, run inferoanteriorly from the rib above to the rib…
Attachments: Originate at the lower border of the rib, insert…
5 muscles that make up the thoracic cage
the intercostals (external, internal & innermost), subcostals…
Intercostals
lie in the intercostal spaces between ribs. Organized into 3…
Thoracic Muscles
External Intercostals
Internal intercostals
Pectoralis major
pectoralis minor
External Intercostals
Internal intercostals
9 terms
Thoracic Muscles
Pectoralis major
Pectoralis minor
Pectoralis minor
External intercostal
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Pectoralis major
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Pectoralis minor
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23 terms
Thoracic Muscles
Trapezius - Origin
Trapezius - Insertion
Trapezius - Function
Latissimus Dorsi - Origin
Occipital bone/spinous processes of c7 - T12.
Acromion/spine of scapula; lateral 1/3 of scapula.
Stabilizes/elevates/... retracts/ rotates scapula
Spinous processes of T7 - L5, iliac crest, ribs, and inferior…
Trapezius - Origin
Occipital bone/spinous processes of c7 - T12.
Trapezius - Insertion
Acromion/spine of scapula; lateral 1/3 of scapula.
12 terms
Thoracic Muscles
Pectoralis major
Pectoralis minor
Serratus anterior
Latissimus dorsi
1
2
3
4
Pectoralis major
1
Pectoralis minor
2
26 terms
Thoracic Muscles
Deltoid
Diaphragm
External Intercostals
External Abdominal Oblique
Deltoid
Diaphragm
23 terms
Thoracic Muscles
Intercostals- external
Rectus Abdominis
External Oblique Abdominis
intercostals- internal
Elevate the ribs... Responsible for forced and quiet inhalation
Compresses abdomen ... vertebral column
Supports Abdominal wall... assists forced expiration ... abducts an…
Depress the ribs ... Responsible for forced exhalation
Intercostals- external
Elevate the ribs... Responsible for forced and quiet inhalation
Rectus Abdominis
Compresses abdomen ... vertebral column
5 terms
Thoracic Muscles
External Intercostals
Internal intercostals
Pectoralis major
pectoralis minor
External Intercostals
Internal intercostals
23 terms
Thoracic Muscles
Internal intercostals
External intercostals
Pectoralis major
Serratus anterior
Internal intercostals
External intercostals
32 terms
Thoracic muscles
occipital bone/spinous processes of c7…
acromion/spine of scapula; lateral 1/3…
stabilizes/elevates/retracts/rotates s…
spinous processes of T7 - L5, iliac cr…
Trapezius origin
Trapezius insertion
Trapezius action
Latissimus Dorsi origin
occipital bone/spinous processes of c7…
Trapezius origin
acromion/spine of scapula; lateral 1/3…
Trapezius insertion
23 terms
Thoracic Muscles
Trapezius origin
Trapezius insertion
Trapezius action
Latissimus Dorsi origin
occipital bone/spinous processes of c7 - T12
acromion/spine of scapula; lateral 1/3 of scapula.
stabilizes/elevates/ retracts/ rotates scapula
spinous processes of T7 - L5, iliac crest, ribs, and inferior…
Trapezius origin
occipital bone/spinous processes of c7 - T12
Trapezius insertion
acromion/spine of scapula; lateral 1/3 of scapula.
25 terms
thoracic muscles
serratus posterior superior: Superior…
serratus posterior superior: Inferior…
serratus posterior superior: Innervation
serratus anterior superior main action:
Nuchal ligament, spinous processes of C7 to T3 Vertebrae
superior borders of 2nd to 4th ribs
2nd to 5th intercostal nerves
propioception, elevate ribs
serratus posterior superior: Superior…
Nuchal ligament, spinous processes of C7 to T3 Vertebrae
serratus posterior superior: Inferior…
superior borders of 2nd to 4th ribs
5 terms
Thoracic Muscles
External Intercostals... Elevates rib cage
Internal Intercostals... Depresses rib cage
Pectoralis Major... Adducts humerus at sh…
Pectoralis Minor... Protracts scapula for…
External Intercostals... Elevates rib cage
Internal Intercostals... Depresses rib cage
20 terms
Thoracic Muscles
External Intercostal Origin
External Intercostal Insertion
External Intercostal Function
External Intercostal Innervation
Inferior margin of rib above
Superior margin of rib below
1. Moves rib superiorly... 2. Most active during RESPIRATION... 3.…
Intercostal Nerve
External Intercostal Origin
Inferior margin of rib above
External Intercostal Insertion
Superior margin of rib below
25 terms
Thoracic Muscles
Pectoralis major
External abdominal oblique
Pectoralis minor
Rectus abdominis
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Pectoralis major
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External abdominal oblique
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25 terms
Thoracic Muscles
Pectoralis major
External abdominal oblique
Pectoralis minor
Rectus abdominis
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Pectoralis major
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External abdominal oblique
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6 terms
Muscles - Abdominal and Thoracic
Rectus abdominis
External oblique
Internal oblique
Transverse abdominis
compresses abdomen & flexes vertebral column Origin: Pubic cr…
compresses abdomen & flexes vertebral column; Also laterally…
compresses abdomen & flexes vertebral column; Also laterally…
compresses abdomen
Rectus abdominis
compresses abdomen & flexes vertebral column Origin: Pubic cr…
External oblique
compresses abdomen & flexes vertebral column; Also laterally…
5 terms
thoracic muscles
pectoralis major
pectoralis minor
subclavious
platysma
superficial muscle on the anterior portion of the thoracic ca…
deep muscle on the anterior portion of the thoracic cage, inv…
deep muscle on the anterior portion of the thoracic cage, inv…
superficial muscle on the anterior portion of the neck, opens…
pectoralis major
superficial muscle on the anterior portion of the thoracic ca…
pectoralis minor
deep muscle on the anterior portion of the thoracic cage, inv…
15 terms
Thoracic Muscles
What is the origin of the external int…
What is the insertion of the external…
What is the action of the external int…
What is the origin of the internal int…
Superior rib
Inferior rib
Elevates ribs for inhalation
Inferior rib
What is the origin of the external int…
Superior rib
What is the insertion of the external…
Inferior rib
38 terms
Thoracic - muscles
What are the intermediate intrinsic th…
What are the actions of the intermedia…
What innervates the intermediate intri…
What is the origins and insertion of t…
1. iliocostalis thoracis... 2. longissimus thoracis... 3. spinalis…
Trunk lateral flexion and extension.
Lateral branch of the posterior primary rami
origins = 7th - 12th rib angle.... insertion = 1st - 6th rib ang…
What are the intermediate intrinsic th…
1. iliocostalis thoracis... 2. longissimus thoracis... 3. spinalis…
What are the actions of the intermedia…
Trunk lateral flexion and extension.
36 terms
Thoracic Muscles
trapezius meaning
trapezius origin
trapezius insertion
trapezius motion
irregular, four-sided figure
occipital bone, spinous processes, thoracic vertebrae
clavicle, acromion process, spine of scapula
stabilizes, raises, retracts, and rotates scapula
trapezius meaning
irregular, four-sided figure
trapezius origin
occipital bone, spinous processes, thoracic vertebrae
23 terms
Cat thoracic and shoulder muscles
acromiodeltoid
acromiotrapezius
clavodeltoid
clavotrapezius
acromiodeltoid
acromiotrapezius
32 terms
EK - Thoracic Muscles
Clavotrapezius
Acromiotrapezius
Spinotrapezius
Levator scapulae
1 - superificial dorsal thorax
2 - superificial dorsal thorax
3 - superificial dorsal thorax
4 - superificial dorsal thorax
Clavotrapezius
1 - superificial dorsal thorax
Acromiotrapezius
2 - superificial dorsal thorax
Thoracic Muscles
External Intercostal Muscles AXN
External Intercosta lNN
External Intercostal I/O
External Intercostal Orientation
STILL IN DEBATE ... -elevates ribs- so primarily a muscle of ins…
corresponding intercostal ns
I: from lower margins of ribs 1-11; fibers pass down and forw…
hands in a pocket OF COURSE
External Intercostal Muscles AXN
STILL IN DEBATE ... -elevates ribs- so primarily a muscle of ins…
External Intercosta lNN
corresponding intercostal ns
9 terms
Thoracic Muscles
External Intercostals
Internal Intercostals Interchondral
Internal Intercostals Interosseous
Transversus Thoracis
A: elevate Ribs during forces expiration ... N: intercostal nerve
Elevate Ribs
Depress Ribs
O: posterior surface of sternum... I: inferior surface of costal…
External Intercostals
A: elevate Ribs during forces expiration ... N: intercostal nerve
Internal Intercostals Interchondral
Elevate Ribs
18 terms
Thoracic Muscles
External Intercostal
Internal Intercostal
Rectus Abdominus
Internal Obliques
O: inferior border of rib above... I: superior border or rib bel…
O: superior border or rib below... I: inferior border of rib abo…
O: pubic crest, pubic symphosis... I: ribs 5-7 & xiphoid process…
O: inguinal ligament, iliac crest, thoracolumbar fascia... I: in…
External Intercostal
O: inferior border of rib above... I: superior border or rib bel…
Internal Intercostal
O: superior border or rib below... I: inferior border of rib abo…
12 terms
Thoracic muscles
Diaphragm
External intercostal
Innermost intercostal
Internal intercostal
Muscle group: Posterior abdominal wall... Proximal attachment: X…
Muscle group: Thoracic wall... Proximal attachment: Lower border…
Muscle group: Thoracic wall... Proximal attachment: Lower border…
Muscle group: Thoracic wall... Proximal attachment: Lower border…
Diaphragm
Muscle group: Posterior abdominal wall... Proximal attachment: X…
External intercostal
Muscle group: Thoracic wall... Proximal attachment: Lower border…
9 terms
Thoracic Muscles
Pectoralis major
Serratus anterior
Pectoralis minor
Intercostal muscles layers... 1. external…
-A: sternum (sternocostal head), claviclar head to humerus... -…
-A: ribs (external surfaces 1-8) to medial scapula at lateral…
-A: ribs (external surfaces 3-5) to scapula at coracoid proce…
-A: tubercle of rib to costochondral junction; replaced anter…
Pectoralis major
-A: sternum (sternocostal head), claviclar head to humerus... -…
Serratus anterior
-A: ribs (external surfaces 1-8) to medial scapula at lateral…
16 terms
thoracic muscles
origin of the serratus anterior
insertion of the serratus anterior
action of the serratus anterior
innervation of the serratus anterior
external surfaces of lateral parts of 1st-8th ribs
anterior surface of teh medial border of the scapula
protracts scapula and holds it against thoracic wall; rotates…
long thoracic nerve (C5, C6, C7)
origin of the serratus anterior
external surfaces of lateral parts of 1st-8th ribs
insertion of the serratus anterior
anterior surface of teh medial border of the scapula
14 terms
Thoracic Muscles
Diaphragm
External intercostal
Internal intercostal
Innermost intercostal
Proximal (Origin): Xiphoid process, lower 6 costal cartilages…
Proximal (Origin): Lower border of ribs... Distal (Insertion):…
Proximal (Origin): Lower border of ribs... Distal (Insertion):…
Proximal (Origin): Lower border of ribs... Distal (Insertion):…
Diaphragm
Proximal (Origin): Xiphoid process, lower 6 costal cartilages…
External intercostal
Proximal (Origin): Lower border of ribs... Distal (Insertion):…
36 terms
Thoracic muscles
Meaning of trapezius
Origin of trapezius
Insertion of trapezius
Motion of trapezius
Trapezoid
Occipital bone, ligamentum nunchae and spines of C7 and all t…
Acromion and spine of scapula and lateral third of clavicle
Stabilizes, elevates, rotates, and retracts scapula. Helps ex…
Meaning of trapezius
Trapezoid
Origin of trapezius
Occipital bone, ligamentum nunchae and spines of C7 and all t…
36 terms
Thoracic Muscles
Meaning of Spinalis
Origin of Spinalis
Insertion of Spinalis
Action of Spinalis
vertebral column, spine
spines of upper lumbar and lower thoracic vertebrae
spines of upper thoracic and cervical vertebrae
extends vertebral column
Meaning of Spinalis
vertebral column, spine
Origin of Spinalis
spines of upper lumbar and lower thoracic vertebrae
12 terms
Muscles: Thoracic
External Oblique
Iliopsoas
Internal oblique
Latissimus dorsi
O: lower 8 ribs... I: linea alba... A: flex vertebral column, compr…
O: Hip bone and lumbar vertebrae... I: femur... A: flexion thigh
O: hip bone... I: linea alba... A: flex vertebral column, compress…
O: scapula, ribs, vertebrae... I: humerus... A: extension, adductio…
External Oblique
O: lower 8 ribs... I: linea alba... A: flex vertebral column, compr…
Iliopsoas
O: Hip bone and lumbar vertebrae... I: femur... A: flexion thigh
22 terms
Thoracic muscles
Erector spinae group
Transversospinalis group
Multifidi
Rotatores
Spinalis, longissimus, iliocostalis ... A: ... Unilateral- laterall…
Multifidi... Rotatores... Semispinalis capitis
O: sacrum and transverse processes of lumbar-cervical vertebr…
O: transverse processes of lumbar-cervical vertebrae... I: spino…
Erector spinae group
Spinalis, longissimus, iliocostalis ... A: ... Unilateral- laterall…
Transversospinalis group
Multifidi... Rotatores... Semispinalis capitis
5 terms
Thoracic Muscles
External Intercostal Muscles
Internal Intercostal muscles
Innermost Intercostal muscles
Other muscles
O: Lower margin of the rib above... I: Upper margin of the rib b…
O: Upper margin of the rib below and its costal cartilage... I:…
O: Upper margin of the rib below and its costal cartilage... I:…
a. Transversus thoracis... b. Subcostales
External Intercostal Muscles
O: Lower margin of the rib above... I: Upper margin of the rib b…
Internal Intercostal muscles
O: Upper margin of the rib below and its costal cartilage... I:…
34 terms
Thoracic muscles
superficial pectoral: pectoralis trans…
raphe
deep pectoral
brachiocephalicus: cleidobrachialis an…
O: first three sternebrae; median fibrous raphe at the ventra…
is a line where two halves fuse together in bilateral organis…
O: ventral part of sternum; median fibrous raphe at the ventr…
O: clavicular intersection... I: distal end of cranial humerus;…
superficial pectoral: pectoralis trans…
O: first three sternebrae; median fibrous raphe at the ventra…
raphe
is a line where two halves fuse together in bilateral organis…
15 terms
Thoracic Muscles
Superficial Pectoral
Deep Pectoral
Brachiocephalicus
Omotransversarius
Origin: first 3 sternebrae, median fibrous raphe... Insertion: C…
Origin: Ventral part of sternum, median fibrous raphe... Insert…
Origin: Clavicular insertion... Insertion: distal end of crania…
Attachment: transverse process (wing) of the atlas (cervica…
Superficial Pectoral
Origin: first 3 sternebrae, median fibrous raphe... Insertion: C…
Deep Pectoral
Origin: Ventral part of sternum, median fibrous raphe... Insert…
27 terms
thoracic muscles
pectoralis major attachments
pectoralis major functions
pectoralis major innervation
pectoralis major blood supply
medial portion of the clavical, sternum, apopneurosis of the…
adduction, medial rotation, flexion of the humerus
medial and lateral pectoral nerves
pectoral arteries
pectoralis major attachments
medial portion of the clavical, sternum, apopneurosis of the…
pectoralis major functions
adduction, medial rotation, flexion of the humerus
18 terms
Human thoracic and shoulder muscles
deltoid
deltoid
infraspinatus
latissimus dorsi
deltoid
deltoid
36 terms
Thoracic Muscles
Deep Pectoral
Cutaneous Trunci
Superficial Pectoral
Brachiocephalicus
Attachments:... Origin: ... 1. Ventral Part of Sternum... 2. Fibrous R…
Attachments:... 1. Superficial Fascia of the Trunk... 2. The skin…
Attachments:... Origin:... 1. First 2 Sternebrae (usually part of 3…
Attachments:... Origin:... 1. Clavicle or Clavicular Intersection... 2…
Deep Pectoral
Attachments:... Origin: ... 1. Ventral Part of Sternum... 2. Fibrous R…
Cutaneous Trunci
Attachments:... 1. Superficial Fascia of the Trunk... 2. The skin…
59 terms
thoracic muscles
pectoralis major
medial and lateral pectoral nerves
medial part of clavicle, sternum, cost…
greater tubercular crest of hummerus
action - adduction of arm, medial rotation of arm, and flexio…
pectoralis major is innervated by
pectoralis major origin is
pectoralis major insertion is
pectoralis major
action - adduction of arm, medial rotation of arm, and flexio…
medial and lateral pectoral nerves
pectoralis major is innervated by
45 terms
Thoracic Muscles
Muscles of Thoracic Wall
Muscles of Thoracic Wall Job
Inhale: Thoracic Expansion
1st Rib Inhalation
1. Intercostals... 2. Subcostals Posteriorly... 3. Transversus Thor…
Change volume of thorax while breathing
1. Pressure Increases in Diaphragm... 2. Pressure Decreases in L…
Immobile
Muscles of Thoracic Wall
1. Intercostals... 2. Subcostals Posteriorly... 3. Transversus Thor…
Muscles of Thoracic Wall Job
Change volume of thorax while breathing
34 terms
thoracic muscles
cutaneus trunci
trapezius origin
trapezius insertion
trapezius action
attaches to skin
neck and thorax
scapula
elevate the limb
cutaneus trunci
attaches to skin
trapezius origin
neck and thorax
13 terms
Thoracic muscles
Superficial pectoral mm.
Deep pectoral m.
Brachiocephalicus m.
Clavicular intersection
Adduction of limb; retraction or advancement of limb (shoulde…
Draw limb caudad, extend shoulder (extrinsic)
Long muscle bridging between the brachium and the head. Broke…
CT/tendon remnant of the clavicle bone
Superficial pectoral mm.
Adduction of limb; retraction or advancement of limb (shoulde…
Deep pectoral m.
Draw limb caudad, extend shoulder (extrinsic)
8 terms
Thoracic Muscles
Pectoralis Major
Pectoralis Minor
Serratus Anterior
External Intercostal
Innervation: lateral pectoral nerve (C5/C6) and medial pector…
Innervation: Medial pectoral nerve (C8, T1)... Action: Stabiliz…
Innervation: long thoracic nerve (from roots of brachial plex…
Innervation: intercostal nerves... Action: Inhalation... Attachme…
Pectoralis Major
Innervation: lateral pectoral nerve (C5/C6) and medial pector…
Pectoralis Minor
Innervation: Medial pectoral nerve (C8, T1)... Action: Stabiliz…
12 terms
Thoracic Muscles
Pectoralis Major - Innervation
Pectoralis Major - Origin
Pectoralis Major - Insertion
Pectoralis Major - Action
Medial and lateral pectoral nerves
Medial half of clavicle and anterior surface of sternum, firs…
Lateral lip of intertubercular sulcus of humerus
Adduction, medial rotation, and flexion of the humerus at the…
Pectoralis Major - Innervation
Medial and lateral pectoral nerves
Pectoralis Major - Origin
Medial half of clavicle and anterior surface of sternum, firs…
45 terms
Thoracic Muscles
Pectoralis Major Origin
Pectoralis Major Insertion
Pectoralis Major Innervation
Pectoralis Major Action
Clavicular head: anterior surface of medial half of scapula... S…
lateral lip of intertubercular sulcus of humerus
lateral and medial pectoral n (C5-T1)
adduct and medically rotates humerus; draws scapula inferiorl…
Pectoralis Major Origin
Clavicular head: anterior surface of medial half of scapula... S…
Pectoralis Major Insertion
lateral lip of intertubercular sulcus of humerus
12 terms
Thoracic muscles
Pectoralis major
Pectoralis minor
Pectoantebrachialis
Xiphihumeralis
.
.
.
.
Pectoralis major
.
Pectoralis minor
.
11 terms
thoracic muscles
pectoralis major innervation
pectoralis major fiber direction
pectoralis minor innervation
pectoralis minor fiber direction
medial + lateral pectoral nerve... VENTRAL rami
nearly horizontal
medial pectoral nerve... VENTRAL rami
nearly vertical
pectoralis major innervation
medial + lateral pectoral nerve... VENTRAL rami
pectoralis major fiber direction
nearly horizontal
33 terms
Thoracic Muscles
Deltoid origin
Deltoid insertion
Deltoid action
Pectoralis major origin
Clavicle and scapula
deltoid tuberosity of humerus
Abduct humerus
Cartilage of ribs 2-6... Body of sternum... Inferior, medial clavicle
Deltoid origin
Clavicle and scapula
Deltoid insertion
deltoid tuberosity of humerus
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