Muscle Quiz - The Back Muscles
(240).jpg "Muscle Quiz - The Back Muscles - Quiz")
A quick 10 question quiz to see what you remember. Every time you take the quiz, some of the questions will change so that no 2 quizzes are the same.
- 1.
What are the spinous processes for the Trapezius (entire muscle)?
- A.
C7 to T12
- B.
C5 to T12
- C.
C7 to L1
- D.
None of the above
Correct Answer
A. C7 to T12Explanation
The spinous processes for the Trapezius muscle extend from the seventh cervical vertebra (C7) to the twelfth thoracic vertebra (T12). This means that the Trapezius muscle attaches to and covers these specific vertebrae along the spine. The spinous processes are bony projections that can be felt along the back and serve as attachment points for muscles, ligaments, and tendons.Rate this question:
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- 2.
The Trapezius point of origin in from the Occiput and Ligamentum Nuchae.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The trapezius muscle originates from the occiput (the back of the skull) and the ligamentum nuchae (a ligament in the neck). This means that the trapezius muscle starts at these points and then extends down the back. Therefore, the statement "The Trapezius point of origin is from the Occiput and Ligamentum Nuchae" is true.Rate this question:
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- 3.
The insertion point for the Trapezius (entire muscle) is....
- A.
All of the clavicle, acromion process and Scapula
- B.
The Olecranon process, Bicipital Groove and Scapula
- C.
The lateral third of clavicle, acromion process and the spine of Scapula
- D.
The Greater Tubercle, acromion process and Scapula
Correct Answer
C. The lateral third of clavicle, acromion process and the spine of ScapulaExplanation
The Trapezius muscle inserts into the lateral third of the clavicle, the acromion process, and the spine of the scapula. This means that the muscle attaches to these specific points on the bones, allowing it to provide movement and stability to the shoulder girdle.Rate this question:
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- 4.
Select the actions of Trapezius.
- A.
Lateral flexion, extension and contralateral rotation of the head and neck.
- B.
Elevation, retraction and depression of the scapula.
- C.
Upward rotation of the scapula.
- D.
Shoulder abduction and adduction.
Correct Answer(s)
A. Lateral flexion, extension and contralateral rotation of the head and neck.
B. Elevation, retraction and depression of the scapula.
C. Upward rotation of the scapula.Explanation
The Trapezius muscle is responsible for multiple actions. It performs lateral flexion, extension, and contralateral rotation of the head and neck, allowing for movement and rotation of the head and neck. Additionally, it is involved in the elevation, retraction, and depression of the scapula, which are movements of the shoulder blade. Lastly, the Trapezius muscle contributes to the upward rotation of the scapula. These actions collectively allow for various movements of the head, neck, and shoulder blade.Rate this question:
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- 5.
Select the points of origin for Sternocleidomastoid (SCM).
- A.
Sternal Head (Manubrium of sternum)
- B.
Clavicular Head (medial head of the clavicle)
- C.
Styloid Process
- D.
Sternum to C1-C2
Correct Answer(s)
A. Sternal Head (Manubrium of sternum)
B. Clavicular Head (medial head of the clavicle)Explanation
The points of origin for Sternocleidomastoid (SCM) are the Sternal Head (Manubrium of sternum) and the Clavicular Head (medial head of the clavicle). These two points of origin are where the muscle originates and attaches, allowing it to perform its functions of flexing and rotating the head. The other options, Styloid Process and Sternum to C1-C2, are not correct as they do not represent the actual points of origin for the SCM muscle.Rate this question:
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- 6.
Which is the correct spinous processes for the origin of Latissimus Dorsi?
- A.
T5-L5
- B.
T1-T12
- C.
C7-T1
- D.
T7-L5
Correct Answer
D. T7-L5Explanation
The correct spinous processes for the origin of Latissimus Dorsi are T7-L5.Rate this question:
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- 7.
There are 2 more origin points for Latissimus Dorsi. What are they?
- A.
Thoracolumbar fascia
- B.
Bicipital groove
- C.
Lowest 3rd or 4th ribs and the inferior angle of the scapula
- D.
Lowest 3rd r 4th rib and the superior fossa of the scapula
Correct Answer(s)
A. Thoracolumbar fascia
C. Lowest 3rd or 4th ribs and the inferior angle of the scapulaExplanation
The Latissimus Dorsi muscle has two additional origin points apart from the ones mentioned. These are the Thoracolumbar fascia and the lowest 3rd or 4th ribs along with the inferior angle of the scapula. These origin points contribute to the attachment and function of the Latissimus Dorsi muscle in the body.Rate this question:
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- 8.
The insertion point for Latissimus Dorsi is....
- A.
Bicipital groove of the humerus.
- B.
Acromion process of the clavicle.
Correct Answer
A. Bicipital groove of the humerus.Explanation
The insertion point for the Latissimus Dorsi muscle is the bicipital groove of the humerus. This means that the muscle attaches to the groove located on the upper arm bone, known as the humerus. The Latissimus Dorsi muscle is responsible for movements such as pulling the arm down and back, and its insertion at the bicipital groove allows it to perform these actions effectively. The other option, the acromion process of the clavicle, is not the correct insertion point for the Latissimus Dorsi muscle.Rate this question:
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- 9.
Actions of the Latissimus Dorsi are
- A.
Medial shoulder rotation, shoulder abduction and hip flexion.
- B.
Medial shoulder rotation, shoulder abduction and shoulder adduction.
- C.
Medial shoulder rotation, hip flexion and hip extension
- D.
Medial shoulder rotation, neck flexion and extension.
Correct Answer
B. Medial shoulder rotation, shoulder abduction and shoulder adduction.Explanation
The correct answer is "Medial shoulder rotation, shoulder abduction and shoulder adduction." The Latissimus Dorsi is a large muscle in the back that is responsible for several actions. Medial shoulder rotation refers to the movement of the shoulder joint towards the midline of the body. Shoulder abduction involves moving the arm away from the body, while shoulder adduction brings the arm back towards the body. These actions are all performed by the Latissimus Dorsi muscle.Rate this question:
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- 10.
What are the origins for Rhomboids?
- A.
All of Rhomboids SP's C7 - T5
- B.
Minor Rhomboids SP's C7 - T1
- C.
Major Rhomboids SP's T2 - T5
- D.
All of Rhomboids C5 - T12
- E.
Major and minor Rhomboids connect to the same SP's.
Correct Answer(s)
A. All of Rhomboids SP's C7 - T5
B. Minor Rhomboids SP's C7 - T1
C. Major Rhomboids SP's T2 - T5Explanation
The correct answer is a combination of different statements that provide information about the origins of Rhomboids. According to the answer, all of the Rhomboids originate from the spinous processes (SP's) of the vertebrae from C7 to T5. Additionally, the Minor Rhomboids originate from SP's from C7 to T1, while the Major Rhomboids originate from SP's from T2 to T5. This suggests that the origins of Rhomboids span a range of vertebrae, with different sections of the muscle connecting to different SP's.Rate this question:
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- 11.
Select all the insertion points for the Rhomboids (entire group).
- A.
Medial border of the scapula from the root of the spine to the inferior angel of the Scapula.
- B.
Lateral border of the scapula from the root of the spine to the inferior angel of the Scapula.
- C.
Spine of the scapula from the root of the spine to the inferior angel of the Scapula.
- D.
Acromion Process to the inferior angel of the Scapula.
Correct Answer
A. Medial border of the scapula from the root of the spine to the inferior angel of the Scapula.Explanation
The correct answer is the medial border of the scapula from the root of the spine to the inferior angle of the scapula. The rhomboids are a group of muscles that originate from the spinous processes of the vertebrae and insert onto the medial border of the scapula. They are responsible for retracting and stabilizing the scapula. The other options mentioned, such as the lateral border of the scapula, spine of the scapula, and acromion process, are not insertion points for the rhomboids.Rate this question:
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- 12.
Rhomboids minor inserts at the root of the spine of Scapula.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because the rhomboids minor muscle does indeed insert at the root of the spine of the scapula. The rhomboids minor muscle is located in the upper back and plays a role in retracting the scapula, which is the shoulder blade. Its insertion at the root of the spine of the scapula allows it to assist in pulling the scapula towards the midline of the body.Rate this question:
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- 13.
Rhomboids major inserts between the root of the spine of Scapula and the inferior angle of Scapula?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because the rhomboids major muscle does indeed insert between the root of the spine of the scapula (shoulder blade) and the inferior angle of the scapula. The rhomboids major muscle is responsible for retracting the scapula, which means it pulls the scapula closer to the spine.Rate this question:
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- 14.
Select the actions for the Rhomboids.
- A.
Extension, elevation and upwards rotation of the Scapula
- B.
Retraction, elevation and downwards rotation of the Scapula
- C.
Retraction, elevation and downwards rotation of the shoulder
- D.
Flexion, elevation and upwards rotation of the Scapula
Correct Answer
B. Retraction, elevation and downwards rotation of the ScapulaExplanation
The Rhomboids are responsible for retracting the scapula, which means pulling it back towards the spine. They also elevate the scapula, lifting it upwards. Additionally, they contribute to the downwards rotation of the scapula, which involves tipping the upper part of the scapula downwards. These actions help to stabilize and position the scapula properly during movements of the shoulder joint.Rate this question:
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- 15.
Select the 4 muscles that form the Rotator Cuff.
- A.
Supraspinatus
- B.
Infraspinatus
- C.
Teres Minor
- D.
Subscapularis
- E.
Anterior Deltoid
- F.
Posterior Deltoid
Correct Answer(s)
A. Supraspinatus
B. Infraspinatus
C. Teres Minor
D. SubscapularisExplanation
The correct answer is Supraspinatus, Infraspinatus, Teres Minor, and Subscapularis. These four muscles are collectively known as the rotator cuff muscles. They are located around the shoulder joint and work together to stabilize and rotate the shoulder. The anterior and posterior deltoid muscles, on the other hand, are not part of the rotator cuff.Rate this question:
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- 16.
Thinking of Supraspinatus, what is the origin point?
- A.
Greater tubercle of the Humerus
- B.
Medial third of the spine of Scapula
- C.
Medial 2/3 of the Infraspinous fossa
- D.
Medial 2/3 of the Supraspinous fossa
Correct Answer
D. Medial 2/3 of the Supraspinous fossaExplanation
The supraspinatus muscle originates from the medial two-thirds of the supraspinous fossa. This is the correct answer because the supraspinous fossa is a depression on the posterior side of the scapula, and the supraspinatus muscle attaches to this specific area. The other options, such as the greater tubercle of the humerus and the medial third of the spine of the scapula, are not the origin points of the supraspinatus muscle.Rate this question:
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- 17.
There are 2 insertion points for the Supraspinatus. Select what they are.
- A.
Greater tubercle of the Humerus
- B.
Lesser tubercle of the Humerus
- C.
The superior facet
- D.
The inferior facet
Correct Answer(s)
A. Greater tubercle of the Humerus
C. The superior facetExplanation
The Supraspinatus muscle has two insertion points, which are the Greater tubercle of the Humerus and the superior facet. The Greater tubercle of the Humerus is a bony prominence on the upper part of the humerus where the Supraspinatus attaches. The superior facet refers to a specific area on the scapula where the Supraspinatus inserts. These two insertion points are important for the function and stability of the shoulder joint.Rate this question:
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- 18.
Select the actions of Supraspinatus. Tip, there's only 2.
- A.
Shoulder adduction
- B.
Should abduction
- C.
Keeps the head of the Humerus in the glenoid fossa during motion
- D.
Keeps the head of the Humerus in the superior fossa during motion
Correct Answer(s)
B. Should abduction
C. Keeps the head of the Humerus in the glenoid fossa during motionExplanation
The Supraspinatus muscle is responsible for shoulder abduction, which is the movement of the arm away from the body. Additionally, it helps to keep the head of the Humerus bone in the glenoid fossa during motion. This is important for maintaining stability and proper alignment of the shoulder joint during movement.Rate this question:
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- 19.
What is the origin of Infraspinatus?
- A.
Lateral 2/3 of the Infraspinous fossa of the Scapula
- B.
Medial 2/3 of the Infraspinous fossa of the Scapula
- C.
Medial 2/3 of the Supraspinous fossa of the Scapula
- D.
Lateral 2/3 of the Supraspinous fossa of the Scapula
Correct Answer
B. Medial 2/3 of the Infraspinous fossa of the ScapulaExplanation
The origin of the Infraspinatus muscle is the medial 2/3 of the infraspinous fossa of the scapula.Rate this question:
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- 20.
The insertion of the Infraspinatus is the medial facet of....
- A.
The lesser tubercle of the Humerus
- B.
The superior fossa of the Scapula
- C.
The greater tubercle of the Humerus
- D.
The inferior fossa of the Scapula
Correct Answer
C. The greater tubercle of the HumerusExplanation
The Infraspinatus muscle inserts on the greater tubercle of the Humerus. This means that the muscle attaches to the bony prominence on the upper part of the Humerus bone. The greater tubercle is located on the lateral side of the Humerus, and it provides a point of attachment for several muscles, including the Infraspinatus. This attachment allows the Infraspinatus muscle to assist in the movement and stabilization of the shoulder joint.Rate this question:
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- 21.
Select the 2 actions of Infraspinatus.
- A.
Lateral shoulder rotation.
- B.
Keeps the head of the Humerus in the glenoid fossa during motion.
- C.
Medial shoulder rotation.
- D.
Keeps the head of the Tibia in the glenoid fossa during motion.
Correct Answer(s)
A. Lateral shoulder rotation.
B. Keeps the head of the Humerus in the glenoid fossa during motion.Explanation
The Infraspinatus muscle is responsible for two actions: lateral shoulder rotation and keeping the head of the Humerus in the glenoid fossa during motion. Lateral shoulder rotation refers to the movement of the shoulder joint where the arm moves away from the midline of the body. The Infraspinatus muscle also plays a crucial role in stabilizing the head of the Humerus, which is the upper arm bone, within the glenoid fossa, which is a shallow cavity in the shoulder blade. This helps to prevent dislocation or excessive movement of the shoulder joint during motion.Rate this question:
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- 22.
What is the origin of Teres Minor?
- A.
Inferior fossa of the Scapula
- B.
Superior fossa of the Scapula.
- C.
Superior lateral border of the scapula.
- D.
Inferior lateral border of the scapula.
Correct Answer
C. Superior lateral border of the scapula.Explanation
The origin of Teres Minor is the superior lateral border of the scapula. This means that the muscle originates from the upper and outer edge of the scapula bone.Rate this question:
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- 23.
The insertion of Teres Minor is in the greater tubercle of the Humerus.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The insertion of Teres Minor is indeed in the greater tubercle of the Humerus. This means that the Teres Minor muscle attaches to the bump on the upper part of the arm bone called the greater tubercle. This attachment allows the Teres Minor muscle to play a role in the movement and stability of the shoulder joint.Rate this question:
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- 24.
The actions of Teres Minor are lateral shoulder abduction and keeps the head of the Humerus in the glenoid fossa during motion.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The actions of Teres Minor are lateral shoulder ROTATION and keeps the head of the Humerus in the glenoid fossa during motion.Rate this question:
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- 25.
Subscapularis only has one point of origin. What is it?
- A.
Subscapular fossa of the Scapula.
- B.
Inferior angle of the Scapula.
- C.
Spine of Scapula.
- D.
Inferior fossa of the Scapula.
Correct Answer
A. Subscapular fossa of the Scapula.Explanation
The subscapularis muscle originates from the subscapular fossa of the scapula. This is the depression on the anterior surface of the scapula, located below the spine of the scapula. The muscle attaches to this point and plays a role in internal rotation and stabilization of the shoulder joint.Rate this question:
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- 26.
Subscapularis inserts in to ....
- A.
The greater tubercle of the humerus.
- B.
The lesser tubercle of the humerus.
- C.
The acromion process of the Clavicle.
- D.
The 2nd and 3rd rib from the Sternum.
Correct Answer
B. The lesser tubercle of the humerus.Explanation
The subscapularis muscle inserts into the lesser tubercle of the humerus. This is a small bony prominence located on the anterior aspect of the humerus, near the head of the bone. The subscapularis muscle is one of the four muscles that make up the rotator cuff in the shoulder. It helps to internally rotate and stabilize the shoulder joint. By inserting into the lesser tubercle of the humerus, the subscapularis muscle is able to exert its force and contribute to the movements and stability of the shoulder.Rate this question:
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- 27.
There are 2 parts to the origin of Teres Major. Which ones are they?
- A.
Superior lateral border of the Scapula.
- B.
The superior third of the dorsal surface.
- C.
Inferior lateral border of the Scapula.
- D.
The inferior third of the dorsal surface.
Correct Answer(s)
C. Inferior lateral border of the Scapula.
D. The inferior third of the dorsal surface.Explanation
The origin of Teres Major is located on the inferior lateral border of the Scapula and the inferior third of the dorsal surface.Rate this question:
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- 28.
The insertion of Teres Major is....
- A.
The lateral lip of the bicipital groove of the humerus.
- B.
The medial lip of the bicipital groove of the humerus.
- C.
The proximal lip of the bicipital groove of the humerus.
- D.
The distal lip of the bicipital groove of the humerus.
Correct Answer
B. The medial lip of the bicipital groove of the humerus.Explanation
The correct answer is the medial lip of the bicipital groove of the humerus. The Teres Major muscle originates from the inferior angle of the scapula and inserts on the medial lip of the bicipital groove of the humerus. This muscle is responsible for adduction, extension, and medial rotation of the arm.Rate this question:
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- 29.
Teres Major has 3 actions. What are they?
- A.
Medial shoulder rotation.
- B.
Shoulder adduction.
- C.
Shoulder flexion.
- D.
Shoulder extension.
Correct Answer(s)
A. Medial shoulder rotation.
B. Shoulder adduction.
D. Shoulder extension.Explanation
The teres major is a broad and flattened muscle with a rectangular shape, stretching from the lower part of the back of the shoulder blade to the inner lip of the groove between the tubercles of the humerus. It collaborates with the latissimus dorsi to perform actions such as extending, adducting, and internally rotating the humerus.Rate this question:
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Current Version
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Jan 29, 2024Quiz Edited by
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Aug 24, 2016Quiz Created by
Jonasw1969
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