Origin and insertion (shoulder) Flashcards

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1
Q

Trapezius

A

O- Superior Nuchal line, external occipital protuberance (T1-T12)
I- Spine of Scapula

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2
Q

Deltoid

A

O- clavicle, spine of scapula
I- Deltoid tuberosity

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3
Q

supraspinatus

A

O- supraspinatus fossa
I- Greater Tubercle

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4
Q

Infraspinatus

A

O- Infraspinatus Fossa
I- Greater Tubercle

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5
Q

Teres Major

A

O- Inferior angle of scapula
I- Anterior portion of the humerus

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6
Q

Teres Minor

A

O- Posterior surface of scapula to lateral border
I- Greater tubercle

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7
Q

subscapularis

A

O- subscapularis fossa
I- lesser tubercle

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8
Q

Rhomboid major

A

O- spinous process of T2-T5
I- medial border of scapula

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9
Q

Rhomboid Minor

A

O- Spinous process of c7-T1
I- medial border of scapula

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10
Q

Pectoralis minor

A

O- 3rd, 4th,5th,ribs
I- coracoid process

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11
Q

Biceps Brachii ( short head)

A

O- coracoid process
I- radial tuberosity

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12
Q

Triceps brachii

A

O- Infraglenoid tubercle, posterior aspect of humerus
I- posterior olecranon process of ulna

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13
Q

Coracobrachialis

A

O- coracoid process
I- Mid shaft of humerus

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14
Q

Latissimis Dorsi

A

O- spinous process of T6 to the sacrum, inferior angle of scapula
i-intertubercular groove of humerus

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15
Q

Serratus Anterior

A

O- Ribs 1-9
I- Medial border of scapula

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16
Q

Levator scapula

A

O- Transverse process of C1-C2, Posterior tubercles of C3- C4,
I-Posterior surface of spine of scapula

17
Q

Rotator cuff muscles

A
  • They preform external rotation
  • Supraspinatus, infraspinatus, Teres minor, subscapularis

Subscapularis- internal rotation

18
Q

Pectoralis Major

A

O- clavicle/ sternum
I-crest of greater tubercle

19
Q

Omohyoid

A

O-upper border of scapula
I-lower border of hyoid bone