Muscle Quiz 7 Flashcards

1
Q

MQ7: What is the origin and insertion of the Rhomboid muscle?

A

Origin: C6-T5 Spinous Process

Insertion: Vertebral Border of Scapula

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2
Q

MQ7: What is the function of the Rhomboid muscle?

A

Elevate Scapula
Endorotate Scapula
Adduct (Pull Medial) Scapula

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3
Q

MQ7: What is the origin and insertion of the Deltoid?

A

Origin: Lateral Clavicle Bone, Acromion Process of Scapula, and Spine of Scapula

Insertion: Deltoid Tuberosity of Humerus

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4
Q

MQ7: What are the functions of the Deltoid muscle?

A

Anterior: Flex, Horizontal Adduct, & Medial Rotate

Middle: Abduct

Posterior: Extend, Horizontal Abduct, & Lateral Rotate

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5
Q

MQ7: What is the origin and insertion of the Supraspinatus?

A

Origin: Supraspinatus Fossa of the Scapula

Insertion: Greater Tubercle of the Humerus

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6
Q

MQ7: What is the function(s) of the Supraspinatus muscle?

A

Abduct Arm (1st 15-30 Degrees)

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7
Q

MQ7: What is the origin and insertion of the Infraspinatus muscle?

A

Origin: Spinal Border of the Scapula and Infraspinatus Fossa

Insertion: Greater Tubercle of Humerus

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8
Q

MQ7: What is the function of the Infraspinatus muscle?

A

Laterally Rotate Arm

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9
Q

MQ7: What is the origin and insertion of the Teres Minor?

A

Origin: Axillary Border of Scapula

Insertion: Greater Tubercle of Humerus

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10
Q

MQ7: What is the function of the Teres Minor muscle?

A

Laterally Rotate and Adduct Arm

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11
Q

MQ7: What is the origin and insertion of the Subscapularis muscle?

A

Origin: Subscapular Fossa

Insertion: Lesser Tubercle of Humerus

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12
Q

MQ7: What is the function of the Subscapularis muscle?

A

Medially Rotate Arm

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13
Q

MQ7: What muscle makes a “Christmas Tree” shape?

A

Rhomboid

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14
Q

MQ7: What are the muscles of the Rotator Cuff?

A

Supraspinatus, Infraspinatus, Teres Minor, and Subscapularis

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15
Q

MQ7: What muscle functions to initiate abduction?

A

Supraspinatus

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16
Q

MQ7: What is the more superficial muscle of the arm?

A

Deltoid

17
Q

MQ7: What muscle(s) insert on the Greater Tubercle of the Humerus?

A

Supraspinatus, Infraspinatus, and Teres Minor