Term
Extrinsic Muscles
(attached to scapula) |
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Definition
ROTS
(Rhomboideus m. , Omotransversarius m. , Trapezius m. , Serratus ventralis m. ) |
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Term
Extrinsic muscles
(attached to humerus) |
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Definition
BLPP
(Brachiocephalicus m. , Latissimus dorsi m. , Superficial Pectoralis m. , Deep Pectoralis m.) |
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Term
| Brachiocephalicus m. actions: |
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Definition
1. FIXED - Pulls head to side of muscle contraction
2. UNFIXED - Pulls limb cranially
3. Arches neck by pulling head and cranial neck ventrally (left and right muscles contract simultaneously) |
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Term
| Brachiocephalicus m. attachments: |
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Definition
1. Cranial - cranial half of dorsal midline of neck
2. Caudal - cranial border of distal humerus |
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Term
| Brachiocephalicus m. innervation: |
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Definition
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Term
| Sternocleidonastoid m. origin (h) |
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Definition
- Manubrium (first bone of sternum)
- Medial clavicle |
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Term
| Sternocleidonastoid m. insertion (h) |
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Definition
- Mastoid process
- Lateral, superior, nuchal line (back of skull) |
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Term
| Sternocleidonastoid m. actions (h) |
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Definition
1. Bilateral - flex neck/raise thorax
2. Unilateral - tilt/rotate face to opposite side |
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Term
| Sternocleidonastoid m. innervation (h) |
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Definition
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Term
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Definition
- Dorsal midline of neck and thorax
- Spans from third cervical vertebra to ninth thoracic vertebra |
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Term
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Definition
- Posterior side of skull
- Spans from seventh cervical vertebra to twelfth thoracic vertebra |
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Term
| Trapezius m. insertion (c) |
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Definition
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Term
| Trapezius m. insertion (h) |
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Definition
| - Clavicle and acromion/spine of scapula |
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Term
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Definition
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Term
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Definition
- Shrugging
- Abduction past 90 degrees
- Lower fibers depress scapula |
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Term
| Trapezius m. innervation (c/h) |
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Definition
| - Accessory nerve for both humans and canines |
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Term
| Rhomboideus m. origin (c) |
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Definition
- Caudal to skull
- Dorsal midline of neck and thorax
- Spans caudally to seventh thoracic vertebra |
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Term
| Rhomboideus m. origin (h) |
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Definition
- Posterior midline of neck and thorax
- Spans from last cervical vertebra and thoracic vertebra one through five |
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Term
| Rhomboideus m. insertion (c/h) |
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Definition
| - Dorsal/medial border of scapula |
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Term
| Rhomboideus m. action (c) |
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Definition
- Elevate the limb
- Pulls dorsal scapula closer to body |
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Term
| Rhomboideus m. action (h) |
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Definition
- Fixes scapula to thoracic wall
- Retract/rotates scapula |
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Term
| Rhomboideus m. innervation (c/h) |
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Definition
| - Dorsal branches of cervical spinal nerves |
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Term
| Omotransversarius m. attachment (only in canines) |
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Definition
| - Caudally distal end of scapula spine (towards skull) |
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Term
| Omotransversarius m. action (only in canines) |
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Definition
1. UNFIXED - Pulls limb cranially
2. FIXED - Pulls neck and head to side |
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Term
| Omotransversarius m. innervation (only in canines) |
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Definition
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Term
Superficial pectoralis m. / Pectoralis major m.
origin (c) |
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Definition
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Term
Superficial pectoralis m. / Pectoralis major m.
origin (h) |
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Definition
- Clavicle
- Superior sternum
- Various ribs |
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Term
Superficial pectoralis m. / Pectoralis major m.
insertion (c) |
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Definition
| - Crest of greater tubercle of humerus |
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Term
Superficial pectoralis m. / Pectoralis major m.
insertion (h) |
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Definition
| - Lateral lip of intertubercular sulcus of humerus |
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Term
Superficial pectoralis m. / Pectoralis major m.
action (c) |
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Definition
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Term
Superficial pectoralis m. / Pectoralis major m.
action (h) |
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Definition
- Flex/adduct limb
- Rotate medially at shoulder |
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Term
Superficial pectoralis m. / Pectoralis major m.
innervation (c) |
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Definition
- Cranial pectoral nerves
- Medial and lateral pectoral nerves |
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Term
| Deep pectoral m. / Pectoralis minor m. origin (c) |
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Definition
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Term
| Deep pectoral m. / Pectoralis minor m. origin (h) |
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Definition
| - Upper margin of ribs (3-5) |
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Term
| Deep pectoral m. / Pectoralis minor m. insertion (c) |
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Definition
| - Lesser and greater tubercles of humerus |
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Term
| Deep pectoral m. / Pectoralis minor m. insertion (h) |
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Definition
| - Coracoid process of scapula |
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Term
| Deep pectoral m. / Pectoralis minor m. action (c) |
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Definition
1. Adduct limb
2. FIXED - extends shoulder joint AND pulls body cranially
3. UNFIXED - pulls limb caudally
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Term
| Deep pectoral m. / Pectoralis minor m. action (h) |
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Definition
| - Protracts/lowers lateral angle of scapula |
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Term
| Deep pectoral m. / Pectoralis minor m. innervation (c/h) |
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Definition
| - Caudal pectoral nerves/ medial pectoral nerve |
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Term
| Latissimus dorsi m. origin (c/h) |
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Definition
- Spinuous process of thoracic and first few lumbar vertebrae
- In humans, part of muscle rises from iliac crest |
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Term
| Latissimus dorsi m. insertion (c) |
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Definition
| - Teres major tuberosity of humerus |
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Term
| Latissimus dorsi m. insertion (h) |
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Definition
| - Intertubercular sulcus of humerus |
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Term
| Latissimus dorsi m. action (c) |
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Definition
1. Draw limb caudally
2. Flexes shoulder joint
3. FIXED - extends shoulder joint AND pulls body cranially
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Term
| Latissimus dorsi m. action (h) |
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Definition
| - Extends, adducts, medially rotates limb at shoulder |
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Term
| Latissimus dorsi m. innervation (c/h) |
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Definition
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Term
| Serratus ventralis m. / Serratus anterior m. origin (c) |
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Definition
| - Last five cervical vertebrae and first seven/eight ribs |
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Term
| Serratus ventralis m. / Serratus anterior m. origin (h) |
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Definition
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Term
| Serratus ventralis m. / Serratus anterior m. insertion (c) |
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Definition
| - Serrated face of scapula |
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Term
| Serratus ventralis m. / Serratus anterior m. insertion (h) |
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Definition
- Medial border of scapula
- Intercostal spaces/ ribs 2-5 |
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Term
| Serratus ventralis m. / Serratus anterior m. action (c) |
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Definition
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Term
| Serratus ventralis m. / Serratus anterior m. action (h) |
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Definition
- Fixes scapula to thoracic wall
- Retracts and rotates scapula |
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Term
| Serratus ventralis m. / Serratus anterior m. innervation (c/h) |
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Definition
| - Cervical spinal nerves/ dorsal scapular nerve |
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