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Teres Major OIA
- O: Inferior angle of scapula
- I: Medial aspect of bicipital groove
- A: Adducts and medial rotates humerus
-
Subscapularis OIA
- O: Subscapular fossa
- I: Lesser tuberosity of humerus
- A: Medial Rotation of humerus; adduct humerus
-
Latissimus Dorsi OIA
- O: T7-L5 SPs by way of thoracodorsal fascia
- I: Bicipital grove of humerous (in the middle)
- A: Extends, adducts and medially rotates humerus
-
Teres Minor OIA
- O: Axillary border of scapula
- I: Greater tuberosity of humerus below infraspinatus
- A: Laterally rotates humerous
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Trapezius O
SP of thoracic spine, ligamentum nuchae, occipital bone
-
Trapezius IA
- I: Lateral 1/3 of clavicle, acromium process, spine of scapula
- A: Upper fibres - Elevation + upper rotation
- Middle fibres - Retraction
- Lower fibres - Depression + upper rotation
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Levator Scapulae OIA
- O: TP of C1-C4
- I: Superior angle of scapula
- A: Elevation and downward rotation of scapula
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Rhomboideus Major OIA
- O: SP of T2-T5
- I: Vertebral border of scapula below spine
- A: Downward rotation and adduction (retration) of scapula
-
Rhomboideus Minor OIA
- O: SP of C7-T1
- I: Border of the scapula above spine
- A: Downward rotation and retraction (adduction) of scapula
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Quadratus Lumborum OIA
- O: Iliac Crest and iliolumbar ligament
- I: Transverse process of L1-L4 and R12
- A: SB to same side; stabilize ribs during respiration
-
Multifidi OIA
- O: Sacrum, Iliac crest, TP of all vertebrae
- I: SP of vert 1-4 above
- A: Bilateral extend; unilateral sidebend to same side and rotate to opposite
-
Infraspinatus OIA
- O: Infraspinous fossa of scapula
- I: Greater Tuberosity above teres minor
- A: Lateral rotation of humerus
-
Supraspinatus OIA
- O: Supraspinatus fossa
- I: Lateral aspect of GT
- A: First 30 degrees of GH abduction
-
Transverses Abdominus OIA
- O: Inner lower ribs (7-12), post iliac crest, thoracolumbar fascia
- I: Linea alba
- A: Compress abdomen, cinches, core stability, suck in gut
-
Internal Oblique OIA
- O: Thoracolumbar fascia, iliac crest ASIS to PSIS
- I: R9-R12, linea alba (internal)
- A: Compress abdomen bilaterally; Unilaterally SB to same side, rotate to same side
-
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Rectus Abdominis OIA
- O: Cartilage of R5-R7, xiphoid process
- I: Pubic tubercles
- A: trunk flexion
-
Sternocleidomastoid (SCM) O
- O: Sternum, clavicle
- I: Mastoid Process
- A: Bilaterally extends head, flex neck; Unilaterally SB & rotates head to opposite side
-
Pectoralis Minor OIA
- O: R3-R5
- I: Coracoid Process
- A: Anterior tilt of scapula
-
Pectoralis Major OIA
- O: Med 1/2 of clavicle, sternum, cartilage of R2-R6, abdominal aponerosis
- I: Lateral lip of bicipital groove
- A: Adducts & medial rotates arm
-
Iliocostalis
- O+I: Ribs
- A: bilaterally extends the spine; unilaterally SB spine
-
Longissimus
- O+I: TPs
- A: Bi extends spine and uni SB spine
-
Spinalis
- O+I: SP
- A: Bi extends the spine, Uni SB spine
-
Serratus Anterior O
Upper 8-9 ribs on anterior lateral surface
-
Serratus Anterior IA
- I: Anterior aspect of the vertebral border of scapula
- A: Protracted scapula and rotates scapula laterally
-
Deltoid A
- Anterior Head: Adducts, flex, and medial rot humerus
- Lateral Head: Abducts humerus past 30 degrees
- Posterior Head: Abducts, extends, and lateral rotates humerus
-
Deltoid O
- Anterior head: Lateral 1/3 of clavicle
- Lateral head: Acromion process
- Posterior: Spine of scapula
-
Deltoid I
Deltoid tuberosity of humerus
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