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…
5 terms
Thoracic Muscles
Pectoralis Minor
Pectoralis Major
Serratus anterior
External Intercostals
Pectoralis Minor
Pectoralis Major
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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Thoracic Muscles
Pectoralis Minor (D)
Pectoralis Major (S)
Serratus anterior (D)
External Intercostals (D)
Origin: ribs... Insertion: coracoid process of scapula... Action: m…
Origin: ribs, clavicle, sternum... Insertion: humerus... Action: ad…
Origin: superior ribs... Insertion: scapula... Action: move scapula…
Origin: next superior rib... Insertion: inferior ribs... Action: li…
Pectoralis Minor (D)
Origin: ribs... Insertion: coracoid process of scapula... Action: m…
Pectoralis Major (S)
Origin: ribs, clavicle, sternum... Insertion: humerus... Action: ad…
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
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
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
7 terms
Thoracic Muscles
Diaphragm
External Intercostals
Internal Intercostals
Innermost Intercostals
Attachments- ... Sternal portion: posterior surface of the xipho…
Attachments- extend from the costal tubercles to the costal c…
Attachments- extend from the sternum to the costal angles as…
Attachment- internal aspects of adjacent ribs ... Innerv- Segmen…
Diaphragm
Attachments- ... Sternal portion: posterior surface of the xipho…
External Intercostals
Attachments- extend from the costal tubercles to the costal c…
Thoracic muscles
Pectoralis Major
Serratus Anterior
External intercostals
internal intercostals
Prime mover of arm flexion
prime mover to protect and hold scapula against chest wall
Pulls ribs together to elevate the rib cage (inspiration)
draws ribs together to depress rib cage (expiration of air)
Pectoralis Major
Prime mover of arm flexion
Serratus Anterior
prime mover to protect and hold scapula against chest wall
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
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.
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
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
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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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…
Thoracic muscles
Pectoralis minor
Pectoralis major
Latissimus Dorsi
Serratus anterior
This is the
This is the
This is the
These are the
Pectoralis minor
This is the
Pectoralis major
This is the
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
Thoracic Muscles
Pectoralis Major
Pectoralis Minor
Subclavius
Serratus Anterior
Proximal: Clavicular head: anterior surface of medial half of…
Proximal: 3rd- 5th ribs near their costal cartilages.... Distal…
Proximal: Junction of 1st rib and its costal cartilage... Dista…
Proximal: External surfaces of lateral parts of 1st-8th ribs…
Pectoralis Major
Proximal: Clavicular head: anterior surface of medial half of…
Pectoralis Minor
Proximal: 3rd- 5th ribs near their costal cartilages.... Distal…
23 terms
Cat thoracic and shoulder muscles
acromiodeltoid
acromiotrapezius
clavodeltoid
clavotrapezius
acromiodeltoid
acromiotrapezius
7 terms
Thoracic Muscles
Pectoralis Major
Pectoralis Minor
Subclavius
Serratus Anterior
Proximal: Clavicular head: anterior surface of medial half of…
Proximal: 3rd- 5th ribs near their costal cartilages.... Distal…
Proximal: Junction of 1st rib and its costal cartilage... Dista…
Proximal: External surfaces of lateral parts of 1st-8th ribs…
Pectoralis Major
Proximal: Clavicular head: anterior surface of medial half of…
Pectoralis Minor
Proximal: 3rd- 5th ribs near their costal cartilages.... Distal…
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
Muscles: Thoracic
Trapezius Meaning
Trapezius Origin
Trapezius Insertion
Trapezius Motion
-"trapezion": irregular
-occipital bone ... -ligamentum nuchae ... -spines of C7 and all th…
-continuous insertion along acromion... -spine of scapula ... -late…
-stabilizes, raises, retracts, rotates, and depresses the sca…
Trapezius Meaning
-"trapezion": irregular
Trapezius Origin
-occipital bone ... -ligamentum nuchae ... -spines of C7 and all th…
36 terms
Thoracic Muscles
Trapezius Meaning
Trapezius Origin
Trapezius Insertion
Trapezius Motion
trapezion = irregular four sided figure
occipital bone ligamentum nuchae and spines of the thoracic v…
along acromium and spine of scapula
stabilizes, raises, retracts and rotracts scapulae
Trapezius Meaning
trapezion = irregular four sided figure
Trapezius Origin
occipital bone ligamentum nuchae and spines of the thoracic v…
Thoracic Muscles
Trapezius meaning
Trapezius orgin
Trapezius insertion
Trapezius motion
Trapezion - irregular four sided figure
Occipital bone, ligamentum nuchae and spines of C7 and all th…
A continuous insertion along acromion and spine of scapula an…
• stabilizes, raises, retracts, and rotates scapula ... • middle…
Trapezius meaning
Trapezion - irregular four sided figure
Trapezius orgin
Occipital bone, ligamentum nuchae and spines of C7 and all th…
36 terms
Thoracic Muscles
Meaning of Trapezius
Origin of Trapezius
Insertion of Trapezius
Motion of Trapezius
Trapezion = irregular four-sided figure
Medial third superior nuchal line, ligament nuchae, spinous p…
Upper fibers to lateral third of posterior border of clavicle
Laterally rotates, elevates and protracts scapula
Meaning of Trapezius
Trapezion = irregular four-sided figure
Origin of Trapezius
Medial third superior nuchal line, ligament nuchae, spinous p…
thoracic muscles
muscles in between the ribs
external inter costals
inspiration checking
internal inter costals
external inter costals... internal inter costals
contributes to both inhalation and exhalation because they ar…
establish or maintain the necessary and desired pressure for…
contributes to both inhalation and exhalation depending on wh…
muscles in between the ribs
external inter costals... internal inter costals
external inter costals
contributes to both inhalation and exhalation because they ar…
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…
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…
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
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
Thoracic muscles
Latissimus dorsi
Trapezius
Rhomboids (major & minor)
Pectoralis major
Adducts humerus; draws shoulder back as in pulling oars of a…
Raises and lowers shoulder, as in lifting and putting down a…
Retract scapula, brace the shoulder, and hold scapula immobil…
Boilerplate
Latissimus dorsi
Adducts humerus; draws shoulder back as in pulling oars of a…
Trapezius
Raises and lowers shoulder, as in lifting and putting down a…
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):…
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
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
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…
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…
68 terms
Thoracic muscles
Action of Pectoralis major muscle =
Pectoralis major muscle is innervated…
Proximal attachment of the Pectoralis…
Distal attachment of the Pectoralis ma…
Adduction, medial rotation, & flexion of humerus
Medial & lateral pectoral nerve
Sternum, medial clavicle, costal cartilages
Lateral lip of intertubercular sulcus of humerus
Action of Pectoralis major muscle =
Adduction, medial rotation, & flexion of humerus
Pectoralis major muscle is innervated…
Medial & lateral pectoral nerve
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