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Shoulder Musculature Flashcards

1
Q

Serratus Anterior Origin and Insertion

A

Origin: Ribs 4-12
Insertion: Medial border of the scapula

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2
Q

Serratus Anterior Isolated and Integrated Functions

A

Isolated Function: Concentrically accelerates scapular protraction
Integrated Function:Eccentrically decelerates dynamic scapular retraction, isometrically stabilizes the scapula

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3
Q

Rhomboid Major Origin and Insertion

A

Origin: Spinous processes C7-T5
Insertion: Medial border of the scapula

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4
Q

Rhomboid Major Isolated and Integrated Functions

A

Isolated Function: concetrically produces scapular retraction and downward rotation
Integrated Function:eccentrically decelerates scapular protraction and upward rotation, isometrically stabilizes the scapula

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5
Q

Rhomboid Minor Origin and Insertion

A

Origin: spinous processes C7-T1
Insertion: medial border of hte scapula superior to spine

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6
Q

Rhomboid Minor Isolated and Integrated Functions

A

Isolated Function: concentrically produces scapular retraction and downward rotation
Integrated Function:eccentrically decelerates scapular protraction and upward rotation, isometrically stabilizes the scapula

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7
Q

Lower Traps Origin and Insertion

A

Origin: Spinous processes of T6-T12
Insertion: Spine of the scapula

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8
Q

Lower Traps Isolated and Integrated Functions

A

Isolated Function: Concentrically accelerates scapular depression
Integrated Function: Eccentrically decelerates scapular elevation, isometrically stabilizes the scapula

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9
Q

Middle Traps Origin and Insertion

A

Origin: Spinous processes of T1-T5
Insertion: Acromion process of the scapula, superior aspect of the spine of the scapula

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10
Q

Middle Traps Isolated and Integrated Functions

A

Isolated Function: concentrically accelerates scapular retraction
Integrated Function: eccentrically decelerates scapular elevation, isometrically the scapula

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11
Q

Upper Traps Origin and Insertion

A

Origin: external occipital protuberance of the skull, spinous process of C7
Insertion: lateral third of the clavicle, acromion process of the scapula

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12
Q

Upper Traps Isolated and Integrated Functions

A

Isolated Function: concentrically accelerates cervical extension, lateral flexion, and rotation, concentrically accelerates scapular elevation
Integrated Function: eccentrically decelerates cervical flexion, lateral flexion, and rotation, eccentrically decelerates scapular depression, isometrically stabilizes the cervical spine and scapula

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13
Q

Pec Major Origin and Insertion

A

Origin: Anterior surface of the clavicle, anterior surface of the sternum, cartilage of ribs 1-7
Insertion: Great tubercle of the humerus

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14
Q

Pec Major Isolated and Integrated Functions

A

Isolated Function: concentrically accelerates shoulder flexion, horizontal adduction and internal rotation
Integrated Function: eccentrically decelerates shoulder extension, horizontal abduction, and external rotation, isometrically stabilizes the shoulder girdle

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15
Q

Pec Minor Origin and Insertion

A

Origin: lateral third of the clavicle
Insertion: deltoid tuberosity of the humerus

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16
Q

Pec Minor Isolated and Integrated Functions

A

Isolated Function: concentrically accelerates should flexion and internal rotation
Integrated Function: eccentrically decelerates shoulder extension and external rotation, isometrically stabilizes the shoulder girdle

17
Q

Anterior Deltoid Origin and Insertion

A

Origin: Lateral third of the clavicle
Insertion: deltoid tuberosity of the humerus

18
Q

Anterior Deltoid Isolated and Integrated Functions

A

Isolated Function: concentrically accelerates shoulder flexion and internal rotation
Integrated Function: eccentrically shoulder extension and external rotation, isometrically stabilizes the shoulder girdle

19
Q

Medial Deltoid Origin and Insertion

A

Origin: acromion process of the scapula
Insertion: deltoid tuberosity of the humerus

20
Q

Medial Deltoid Isolated and Integrated Functions

A

Isolated Function: concentrically accelerates shoulder abduction
Integrated Function: eccentrically decelerates shoulder adduction, isometrically stabilizes the should girdle

21
Q

Posterior Deltoid Origin and Insertion

A

Origin: spine of the scapula
Insertion: deltoid tuberosity of the humerus

22
Q

Posterior Deltoid Isolated and Integrated Functions

A

Isolated Function: concentrically accelerates shoulder extension and external rotation
Integrated Function: eccentrically decelerates shoulder flexion and internal rotation, isometrically stabilizes the shoulder girdle

23
Q

Teres Major Origin and Insertion

A

Origin: inferior angle of the scapula
Insertion: lesser tubercle of humerus

24
Q

Teres Major Isolated and Integrated Functions

A

Isolated Function: concentrically accelerates shoulder internal rotation adduction, and extension
Integrated Function: eccentrically decelerates shoulder external rotation, abduction, and flexion, isometrically stabilizes the shoulder girdle

Muscles (11 decks)

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