Term
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Definition
Action: Arm Flexion, adduction, medial rotation
Origin: Clavicle, Sternum
Insertion: Humerus |
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Term
Serratus Anterior
(Boxer Muscle) |
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Definition
Action: Move scapula forward, rotate scapula
Origin: Ribs 1-8
Insertion: Scapula |
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Term
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Definition
Action: Arm abduction
Origin: Clavicle and acromion and spine of scapula
Insertion: Deltoid tuberosity of humerus |
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Term
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Definition
Action: Depress and protract shoulder
Origin: First rib
Insertion: Clavicle |
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Term
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Definition
Action: Draws scapula anterior and inferiorly OR rib cage superiorly (used for inhaling)
Origin: Ribs 3-5
Insertion: Coracoid process of scapula |
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Term
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Definition
Action: Elevate rib cage, aid in inspiration
Origin: Inferior border of rib above
Insertion: superior border of rib below |
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Term
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Definition
Action: Depress rib cage, aid in expiration
Origin: Superior border of rib below
Insertion: Inferior border of rib above |
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Term
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Definition
| Action: Prime mover of inspiration, flattens when contracts, lengthens thoracic cavity (look for 3 holes that pierce - says Tara) |
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Term
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Definition
Action: Flex and rotate vertebral column
Origin: pubic crest and symphysis
Insertion: Xiphoid process and ribs 5-7 (cartilage) |
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Term
| layers of abdominal muscle (Obliquely) |
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Definition
| Superficial to deep: External oblique (fibers like pocket fibers), Internal oblique (fibers run opposite pocket fibers), Transversus abdominus (runs tranversely across abdominal area) |
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Term
External Oblique
(fibers like pocket fibers) |
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Definition
Action: Flex and rotate vertebral column, trunk rotation and lateral flexion
Origin: ribs 5-12
Insertion: Pubic crest and iliac crest, linea alba |
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Term
|
Definition
Action: Flex and rotate vertebral column, trunk rotatation and lateral flexion
Origin: Iliac crest
Insertion: Ribs 9-12 (cartilage), linea alba |
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Term
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Definition
Action: Compress abdominal contents
Origin: Ribs 6-12 (cartilage)
Insertion: Pubic crest, linea alba |
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Term
|
Definition
Action: Extend neck; raise, rotate, and adduct scapula
Origin: Occipital bone and spinous process of thoracic vertebrae
Insertion: Acromion and spine of scapula |
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Term
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Definition
Action: Arm extension, adduct and rotate arm
Origin: Spinous process of T6-L5
Insertion: Humerus |
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Term
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Definition
| Infraspinatus (below scapular spine), Supraspinatus (above scapular spine), Teres Minor, Teres Major, Subscapularis |
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Term
|
Definition
Action: Lateral rotation of humerus
Origin: Infrapsinous fossa of scapula
Insertion: Greater tubercle of humerus |
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Term
|
Definition
Action: Aid in abduction of humerus, medial rotation of humerus
Origin: supraspinous fossa of scapula
Insertion: Greater tubercle of humerus |
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Term
|
Definition
Action: Lateral rotation of humerus
Origin: Scapula
Insertion: Humerus |
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Term
|
Definition
Action: Medial rotation at shoulder
Origin: Subscapular Fossa
Insertion: Lesser tubercle of humerus |
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Term
|
Definition
Action: Extend, medially rotate, and adduct humerus
Origin: Scapula
Insertion: Humerus |
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Term
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Definition
Action: Elevate and adduct scapula OR lateral flexion of neck
Origin: Transverse process of C1-C4
Insertion: Scapula |
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Term
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Definition
Action: Retract Scapula (pull medially)
Origin: Spinous process of C7-T5
Insertion: Scapula |
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Term
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Definition
Action: As a pair: Extend neck and vertebal column, Singly: Rotation
Origin: Transverse process of C7-T12
Insertion: Occipital bone and spinous process of cervical vertebrae |
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Term
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Definition
Action: Extend and lateral bending of vertebral column
Origin: Iliac crest, lumbar, thoracic, and cervical vertebrae
Insertion: Ribs and transverse process of vertebrae 6 segments above origin |
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Term
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Definition
Action: Extend, hyperextend head
Origin: Spinous process of C7-T6
Insertion: Mastoid process of temporal bone, occipital bone, and transverse process of C2-C4 |
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Term
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Definition
Action: Extend lumbar spine
Origin: Iliac Crest
Insertion: Rib 12 and transverse process of lumbar vertebrae |
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