Practical 1 origins and insertions Flashcards

1
Q

Latissmus Dorsi

A

Origin: Lower thoracic spinous processes, iliac crest

Insert: Intertubercular groove FLOOR

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2
Q

Rhomboid Minor

A

Origin: C7-T1 spinous processes

Insert: Medial border of scapula AT spine

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2
Q

Trapezius

A

Origin: cervical and thoracic spinous processes and nuchal ligament

Insert: bony horseshoe of scapula (acromion, spine of scapula, lateral 1/3 of clavicle)

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3
Q

Levator Scapulae

A

Origin: C1-C4 transverse processes

Insert: Medial border of scapula ABOVE spine

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3
Q

Rhomboid Major

A

Origin: T2-T5 spinous processes

Insert: Medial border of scapula BELOW spine

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3
Q

Supraspinatus

A

Origin: Supraspinous fossa

Insert: Superior facet of greater tubercle

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4
Q

Infraspinatus

A

Origin: Infraspinous fossa

Insert: Middle facet of greater tubercle

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4
Q

Teres Minor

A

Origin: Lateral border of scapula

Insert: Inferior facet of greater tubercle

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5
Q

Subscapularis

A

Origin: Subscapular fossa

Insert: Lesser tubercle

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6
Q

Teres Major

A

Origin: inferior angle of lateral border of scapula

Insert: Intertubercular groove MEDIAL LIP

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7
Q

Deltoid

A

Origin: Exterior of bony horseshoe (lateral 1/3 clavicle, acromion, spine of scapula)

Insert: Deltoid tuberosity of humerus

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8
Q

Serratus Posterior Superior

A

Origin: High Cs-Low Ts (C7-T2) spinous processes

Insert: upper Ribs

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8
Q

Serratus Posterior Inferior

A

Origin: High Ts-Low Ls (T11-L2) spinous processes

Insert: lower Ribs

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9
Q

Splenius

A

Origin: C3-T6 spinous processes

Insert: Mastoid process (capitus), C1-C3 transverse processes (cervicis)

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10
Q

Erector Spinae Group

A

Origin: T11 - L5 spinous processes, sacrum, iliac crest

Insert: Ribs (I), cervical and thoracic TP and ribs (L), cervical and thoracic SP (S)

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11
Q

Semispinalis

A

Origin: transverse processes (cervical and thoracic)

Insert: spinous processes (cervical and thoracic)

12
Q

Multifidus

A

Origin: transverse processes (all regions)

Insert: spinous processes (all regions)

13
Q

Rotatores

A

Origin: transverse processes (thoracic)

Insert: spinous processes (thoracic)

14
Q

Interspinales

A

Origin: superior surface of spinous processes

Insert: inferior surface of spinous processes

15
Q

Intertransversarii

A

Origin: superior surface of transverse processes

Insert: inferior surface of transverse processes

16
Q

Pectoralis Minor

A

Origin: Ribs 3-5

Insert: Coracoid process of scapula

16
Q

Levatores Costarum

A

Origin: lateral tips of transverse processes (thoracic)

Insert: Ribs ?

17
Q

Subclavius

A

Origin: Rib 1

Insert: inferior aspect of middle 1/3 of clavicle

18
Q

Pectoralis Major

A

Origin: manubrium, anterior aspect of middle 1/3 of clavicle, sternum

Insert: intertubercular groove of humerus LATERAL LIP

19
Q

Serratus Anterior

A

Origin: lateral surface of ribs 1-8

Insert: anterior surface of medial border of scapula

20
Q

Biceps Brachii

A

Origin: Supraglenoid tubercle (long), coracoid process (short) of scapula

Insert: Radial tuberosity

21
Q

Coracobrachialis

A

Origin: Coracoid process of scapula

Insert: Middle of medial aspect of humerus

22
Q

Brachialis

A

Origin: anterior lower half surface of humerus

Insert: coronoid process, ulnar tuberosity

23
Q

Triceps Brachii

A

Origin: infraglenoid tubercle of scapula (long), posterior humerus ABOVE (lateral) and BELOW (medial) radial groove

Insert: Olecranon process of ulna