Muscle Quiz 4

Question 1

MQ4: What muscles is considered to be the most superficial of the back muscles?

Answer 1

Trapezius

Question 2

MQ4: What is the origin and insertion of the Trapezius muscle?

Answer 2

Origin: External Occipital Protuberance (EOP), Ligamentum Nuchae, and C1-T12 Spinous Processes (SP)

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

Question 3

MQ4: What is the origin and insertion of the Latissimus Dorsi muscle?

Answer 3

Origin: T7-T12 Spinous Processes (SP), Sacrum, and Posterior Iliac Crest

Insertion: Bicipital Groove of Humerus

Question 4

MQ4: What muscle(s) is considered to be the “little lats”?

Answer 4

Teres Major

Question 5

MQ4: What is the origin and insertion of the Teres Major?

Answer 5

Origin: Scapula Inferior Angle and Inferior Axillary Border

Insertion: Bicipital Groove of Humerus

Question 6

MQ4: What is the origin and insertion of the Splenius Capitus?

Answer 6

Origin: Lower Half of Ligamentum Nuchae and C7-T3 Spinous Processes

Insertion: Mastoid Process and Occipital Ridge

Question 7

MQ4: What is the origin and insertion of the Erector Spinae muscles?

Answer 7

Origin: Posterior Iliac Crest, C1-L5, Sacrum Bone

Insertion: Mastoid Process, Occipital Ridge, Posterior Ribs, and C1-L5 Vertebrae

Question 8

MQ4: What is the origin and insertion of the Quadratus Lumborum (QL) muscle?

Answer 8

Origin: Iliac Crest

Insertion: 12th Ribs, and L1-L4 Transverse Processes

Question 9

MQ4: What is the order of the Erector Spinae muscles from medial to lateral?

Answer 9

From medial to lateral: Spinalis, Longissimus, and Iliocostalis

Question 10

MQ4: What muscle(s) has a common insertion of the Bicipital Groove of the Humerus?

Answer 10

Latissimus Dorsi and Teres Major

Question 11

MQ4: What muscle(s) has an insertion on the Mastoid Process and Occipital Ridge?

Answer 11

Splenius Capitis and Erector Spinae

Question 12

MQ4: Which muscle is the deepest?

Answer 12

Quadratus Lumborum (QL)

Question 13

MQ4: What muscle(s) acts on the head, neck and trunk?

Answer 13

Erector Spinae

Question 14

MQ4: What is the function of the Teres Major?

Answer 14

Adduct Arm, Medial Rotate Arm, and Extend Arm

Question 15

MQ4: What muscle(s) can function to adduct and depress the scapula

Answer 15

Trapezius and Latissimus Dorsi

Question 16

MQ4: What is the function of the Trapezius muscle?

Answer 16

Elevate Scapula
Exorotate Scapula
Adduct Scapula
Depress Scapula
Extend Head and Neck
Laterally Flex Head and Neck

Question 17

MQ4: What is the function of the Latissimus Dorsi muscle?

Answer 17

Adduct Arm
Medially Rotate Arm
Extend Arm
Depress Scapula
Adduct Scapula

Question 18

MQ4: What is the function of the Teres Major muscle?

Answer 18

Adduct Arm
Medial Rotate Arm
Extend Arm

Question 19

MQ4: What is the function of the Splenius Capitus?

Answer 19

Extend Head and Neck
Laterally Flex Head and Neck
Rotate Head and Neck

Question 20

MQ4: What is the function of the Erector Spinae muscle?

Answer 20

Extend Trunk
Laterally Flex Trunk
Rotate Trunk
Extend Head and Neck
Laterally Flex Head and Neck
Rotate Head and Neck

Question 21

MQ4: What is the function of the Quadratus Lumborum?

Answer 21

Laterally Flex Trunk
Depress 12th Ribs (Exhalation)
Elevate Pelvic Bone

Question 22

MQ4: What muscle(s) have an origin on the Ligamentum Nuchae?

Answer 22

Trapezius and Splenius Capitus

Question 23

MQ4: What muscle(s) have an origin on the Iliac Crest?

Answer 23

Latissimus Dorsi, Erector Spinae, and Quadratus Lumborum

Question 24

MQ4: What muscle cause the hip to hike?

Answer 24

Quadratus Lumborum