Muscles Of The Hand And Wrist Quiz

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| By Shaunwebster93
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Shaunwebster93
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Quizzes Created: 3 | Total Attempts: 9,331
Questions: 27 | Attempts: 6,898

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Muscles Of The Hand And Wrist Quiz - Quiz

Do you know enough about the human muscular system? The below quiz is based on the muscles of the hand and wrist. Take this quiz and test your knowledge about the wrist muscles and main muscles of the hand. Our hand muscles are the skeletal muscles responsible for hand and finger movement. If you want to expand your memory about the anatomy of the intrinsic muscles of the hand, you should definitely play this quiz. All the best!


Questions and Answers
  • 1. 

    Which 5 ligaments connect the forearm to the carpal bones?

    • A.

      Ulnar Collateral

    • B.

      Radial Collateral

    • C.

      Palmar Radiocarpal

    • D.

      Dorsal Radiocarpal

    • E.

      Interphalangeal

    • F.

      Palmar Ulnocarpal

    • G.

      Dorsal Ulnocarpal

    • H.

      Metacarpal Carpal

    Correct Answer(s)
    A. Ulnar Collateral
    B. Radial Collateral
    C. Palmar Radiocarpal
    D. Dorsal Radiocarpal
    F. Palmar Ulnocarpal
    Explanation
    The five ligaments that connect the forearm to the carpal bones are the Ulnar Collateral ligament, Radial Collateral ligament, Palmar Radiocarpal ligament, Dorsal Radiocarpal ligament, and Palmar Ulnocarpal ligament. These ligaments provide stability and support to the wrist joint, allowing for proper movement and function of the hand and forearm.

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  • 2. 

    Where do the wrist flexors originate?

    • A.

      Medial Epicondyle

    • B.

      Lateral Epicondyle

    • C.

      Styloid Process

    • D.

      Radial Tuberosity

    Correct Answer
    A. Medial Epicondyle
    Explanation
    The wrist flexors originate from the medial epicondyle. This is the bony prominence on the inner side of the elbow. The muscles that make up the wrist flexors, such as the flexor carpi radialis and the flexor carpi ulnaris, attach to the medial epicondyle. From there, they extend down the forearm and attach to the wrist bones, allowing for flexion of the wrist joint.

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  • 3. 

    Flexor Retinaculum is the name of the carpal tunnel.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The flexor retinaculum is a band of connective tissue located in the wrist. It forms the roof of the carpal tunnel, a narrow passageway in the wrist that allows tendons and nerves to pass through. Therefore, it is correct to say that the flexor retinaculum is the name of the carpal tunnel.

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  • 4. 

    Which 3 are the Wrist Flexors?

    • A.

      Flexor Pollicis Longus

    • B.

      Flexor Carpi Radialis

    • C.

      Flexor DIgitorum Profundis

    • D.

      Flexor Carpi Ulnaris

    • E.

      Palmaris Longus

    Correct Answer(s)
    B. Flexor Carpi Radialis
    D. Flexor Carpi Ulnaris
    E. Palmaris Longus
    Explanation
    The three wrist flexors are the Flexor Carpi Radialis, Flexor Carpi Ulnaris, and Palmaris Longus. These muscles are responsible for flexing the wrist joint, allowing for movements such as flexion and adduction of the hand. The Flexor Carpi Radialis is located on the radial side of the forearm, the Flexor Carpi Ulnaris is located on the ulnar side of the forearm, and the Palmaris Longus is a long, slender muscle located in the center of the forearm. Together, these muscles work to flex the wrist and contribute to movements involving the hand and forearm.

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  • 5. 

    What is the insertion of the flexor carpi radialis?

    • A.

      1st and 2nd MC

    • B.

      2nd and 3rd MC

    • C.

      3rd and 4th MC

    • D.

      4th and 5th MC

    Correct Answer
    B. 2nd and 3rd MC
    Explanation
    The insertion of the flexor carpi radialis is on the 2nd and 3rd metacarpal bones.

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  • 6. 

    What is the insertion of the Flexor Carpi Ulnaris?

    • A.

      Hamate

    • B.

      Lunate

    • C.

      Scaphoid

    • D.

      Pisiform

    Correct Answer
    D. Pisiform
    Explanation
    The insertion of the Flexor Carpi Ulnaris is the pisiform bone. This muscle originates from the medial epicondyle of the humerus and the ulnar collateral ligament, and it inserts onto the pisiform bone. The Flexor Carpi Ulnaris is responsible for flexing and adducting the wrist, and its insertion on the pisiform bone allows it to exert its actions effectively.

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  • 7. 

    Which 3 are the Wrist Extensors?

    • A.

      Extensor Digiti Minimi

    • B.

      Extensor Carpi Radialis Brevis

    • C.

      Extensor Digitorum

    • D.

      Extensor Carpi Ulnaris

    • E.

      Extensor Carpi Radialis Longus

    Correct Answer(s)
    B. Extensor Carpi Radialis Brevis
    D. Extensor Carpi Ulnaris
    E. Extensor Carpi Radialis Longus
    Explanation
    The three wrist extensors are Extensor Carpi Radialis Brevis, Extensor Carpi Ulnaris, and Extensor Carpi Radialis Longus. These muscles are responsible for extending the wrist joint, allowing for movements such as bending the hand backward or lifting the hand upward. Extensor Digiti Minimi and Extensor Digitorum are not wrist extensors, but rather muscles involved in extending the fingers.

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  • 8. 

    The wrist extensors originate on the 

    • A.

      Medial Epicondyle

    • B.

      Lateral Epicondyle

    • C.

      Radial Tuberosity

    • D.

      Ulna Tuberosity

    Correct Answer
    B. Lateral Epicondyle
    Explanation
    The correct answer is Lateral Epicondyle. The wrist extensors are a group of muscles responsible for extending the wrist joint. They originate from the lateral epicondyle of the humerus bone, which is located on the outer side of the elbow. This attachment point allows the wrist extensors to generate force and control the movement of the wrist joint.

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  • 9. 

    What is the insertion of the extensor carpi ulnaris?

    • A.

      1st MC

    • B.

      2nd MC

    • C.

      3rd MC

    • D.

      5th MC

    Correct Answer
    D. 5th MC
    Explanation
    The insertion of the extensor carpi ulnaris is the 5th metacarpal bone. This means that the tendon of the extensor carpi ulnaris muscle attaches to the 5th metacarpal bone in the hand.

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  • 10. 

    Where is the insertion of the Extensor Carpi Radialis Longus?

    • A.

      1st MC

    • B.

      2nd MC

    • C.

      3rd MC

    • D.

      4th MC

    Correct Answer
    B. 2nd MC
    Explanation
    The insertion of the Extensor Carpi Radialis Longus is on the 2nd metacarpal bone.

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  • 11. 

    Where is the insertion of the Extensor Carpi Radialis Brevis?

    • A.

      1st MC

    • B.

      2nd MC

    • C.

      3rd MC

    • D.

      4th MC

    Correct Answer
    C. 3rd MC
    Explanation
    The insertion of the Extensor Carpi Radialis Brevis is on the 3rd Metacarpal (MC). This muscle originates from the lateral epicondyle of the humerus and inserts onto the base of the 3rd MC. It is responsible for extending and abducting the wrist joint.

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  • 12. 

    Which 2 are the finger flexors?

    • A.

      Flexor digitorum Minimi

    • B.

      Flexor Digitorum Superficialis

    • C.

      Flexor Pollicis Brevis

    • D.

      Flexor Digitorum Profundis

    Correct Answer(s)
    B. Flexor Digitorum Superficialis
    D. Flexor Digitorum Profundis
    Explanation
    The correct answer is Flexor Digitorum Superficialis and Flexor Digitorum Profundis. These two muscles are responsible for flexing the fingers. Flexor Digitorum Superficialis is located on the anterior surface of the forearm and flexes the middle phalanges of the fingers. Flexor Digitorum Profundis is located deep to the Superficialis and flexes the distal phalanges of the fingers. Flexor Pollicis Brevis is a muscle in the thumb, not the fingers, and Flexor Digitorum Minimi is not a muscle involved in finger flexion.

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  • 13. 

    The Flexor Digitorum Superficialis is responsible for ?

    • A.

      Flexes all joints

    • B.

      Flexes CMC Joint

    • C.

      Flexes DIP Joint

    • D.

      Flexes PIP Joint

    Correct Answer
    D. Flexes PIP Joint
    Explanation
    The Flexor Digitorum Superficialis is a muscle responsible for flexing the PIP joint. It is located in the forearm and helps in bending the middle joint of the fingers. This muscle plays a crucial role in finger movements and allows for the flexion of the PIP joint, enabling actions such as gripping and grasping objects.

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  • 14. 

    The Flexor Digitorum Profundis is responsible for?

    • A.

      Flexing all Joints

    • B.

      Flexing CMC Joint

    • C.

      Flexing DIP Joint

    • D.

      Flexing PIP Joint

    Correct Answer
    A. Flexing all Joints
    Explanation
    The Flexor Digitorum Profundis is a muscle in the forearm that is responsible for flexing all joints. This muscle allows for flexion at the CMC joint, DIP joint, and PIP joint. It is involved in the movement of the fingers, allowing them to curl and grip objects.

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  • 15. 

    The 3 finger extensors are?

    • A.

      Extensor Ring Finger

    • B.

      Extensor Digiti Minimi

    • C.

      Extensor Digiti Profundus

    • D.

      Extensor Indicis

    • E.

      Extensor Digitorum

    Correct Answer(s)
    B. Extensor Digiti Minimi
    D. Extensor Indicis
    E. Extensor Digitorum
    Explanation
    The correct answer is Extensor Digiti Minimi, Extensor Indicis, and Extensor Digitorum. These are the three finger extensors in the hand. The Extensor Digiti Minimi extends the little finger, the Extensor Indicis extends the index finger, and the Extensor Digitorum extends the other fingers.

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  • 16. 

    The extensor digitorum extends...?

    • A.

      Ring finger

    • B.

      2-5 Finger

    • C.

      Little Finger

    • D.

      Index finger

    Correct Answer
    B. 2-5 Finger
    Explanation
    The extensor digitorum is a muscle responsible for extending the fingers. It is not specific to a single finger, but rather extends the 2nd to 5th fingers collectively. Therefore, the correct answer is 2-5 Finger.

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  • 17. 

    The palmaris longus inserts on the ?

    • A.

      1st MC

    • B.

      3rd MC

    • C.

      Palmar Aponeurosis

    • D.

      Radial Tuberosity

    Correct Answer
    C. Palmar Aponeurosis
    Explanation
    The palmaris longus is a muscle in the forearm that inserts on the palmar aponeurosis, a thick layer of fibrous tissue on the palm of the hand. This aponeurosis helps to support the palm and protect underlying structures. The muscle is responsible for flexing the wrist and tensing the palmar aponeurosis. Therefore, the correct answer is Palmar Aponeurosis.

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  • 18. 

    How many flexors does the thumb have?

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      5

    Correct Answer
    B. 2
    Explanation
    Flexor Pollicis Longus: This muscle runs along the inside of the forearm and attaches to the thumb. It primarily flexes the distal phalanx of the thumb, allowing for movements such as grasping and pinching.
    Flexor Pollicis Brevis: This muscle is located in the hand, near the base of the thumb. It flexes the proximal phalanx of the thumb, assisting in movements like opposition and flexion of the thumb towards the palm.
    These two muscles work together to facilitate the various flexion movements of the thumb, contributing to its dexterity and versatility in grasping objects and performing fine motor tasks.

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  • 19. 

    Which of these is the thumb flexor?

    • A.

      Flexor Pollicis Longus

    • B.

      Flexor Pollicis Brevis

    • C.

      Flexor Pollicis

    • D.

      Flexor Carpi Radialis Longus

    Correct Answer
    A. Flexor Pollicis Longus
    Explanation
    The correct answer is Flexor Pollicis Longus. The thumb flexor is responsible for flexing the thumb, and the Flexor Pollicis Longus is the muscle that performs this action. The other options listed are either not specific to the thumb or do not accurately describe the thumb flexor muscle.

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  • 20. 

    How many extensor/abductors does the thumb have?

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    C. 3
    Explanation
    The thumb has three extensor/abductor muscles. These muscles are responsible for extending and abducting the thumb, allowing it to move away from the palm and to the side. The three extensor/abductor muscles of the thumb are the abductor pollicis longus, extensor pollicis brevis, and extensor pollicis longus. These muscles work together to provide the thumb with its range of motion and functionality.

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  • 21. 

    Which three are the thumb extensor/abductors?

    • A.

      Extensor Pollicis Longus

    • B.

      Extensor Digiti Minimi

    • C.

      Extensor Pollicis Brevis

    • D.

      Extensor Carpi Radialis

    • E.

      Abductor Pollicis Longus

    Correct Answer(s)
    A. Extensor Pollicis Longus
    C. Extensor Pollicis Brevis
    E. Abductor Pollicis Longus
    Explanation
    The thumb extensor/abductors are the muscles that extend and abduct the thumb. The Extensor Pollicis Longus is responsible for extending the thumb, while the Extensor Pollicis Brevis assists in both extension and abduction. The Abductor Pollicis Longus primarily abducts the thumb away from the palm. These three muscles work together to allow movement and stability of the thumb.

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  • 22. 

    Which 2 muscles make up the anatomical snuffbox?

    • A.

      Extensor Pollicis Brevis

    • B.

      Extensor Pollicis Longus

    • C.

      Flexor Carpi Radialis Longus

    • D.

      Abductor Pollicis Longus

    Correct Answer(s)
    A. Extensor Pollicis Brevis
    B. Extensor Pollicis Longus
    D. Abductor Pollicis Longus
    Explanation
    The anatomical snuffbox is a triangular depression on the lateral aspect of the hand, near the base of the thumb. It is formed by the following muscles:

    Extensor Pollicis Brevis (EPB): It forms the radial (lateral) border of the anatomical snuffbox.
    Extensor Pollicis Longus (EPL): It forms the ulnar (medial) border of the snuffbox.
    Additionally, Abductor Pollicis Longus (APL) plays a role in defining the lateral aspect of the snuffbox, as it runs alongside the EPB.

    Thus, the correct answer to which muscles make up the anatomical snuffbox would include Extensor Pollicis Brevis, Extensor Pollicis Longus, and Abductor Pollicis Longus. The reference to "which 2 muscles" is ambiguous, given the combined role of these three muscles in forming the boundaries of the anatomical snuffbox.

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  • 23. 

    The thenar muscles are...

    • A.

      Intrinsic

    • B.

      Extrinsic

    • C.

      Both

    • D.

      None

    Correct Answer
    A. Intrinsic
    Explanation
    The thenar muscles are intrinsic muscles. Intrinsic muscles are muscles that originate and insert within a specific region or structure, in this case, the hand. The thenar muscles are a group of muscles located in the palm of the hand, responsible for various movements and functions of the thumb. As they are located within the hand itself, they are considered intrinsic muscles. Extrinsic muscles, on the other hand, originate outside the hand and insert into it, while none means that the thenar muscles do not fall into either category.

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  • 24. 

    The Thenar muscles are responsible for

    • A.

      Flexion and Adduction of Thumb

    • B.

      Flexion and Adduction of 2nd Digit

    • C.

      Flexion and Adduction of 3rd Digit

    • D.

      Flexion and Adduction of 4th Digit

    Correct Answer
    A. Flexion and Adduction of Thumb
    Explanation
    The thenar muscles are a group of muscles located in the palm of the hand. They are responsible for the movement of the thumb, including flexion (bending) and adduction (bringing the thumb towards the palm). These muscles play a crucial role in grasping and manipulating objects with the thumb, as well as in fine motor movements such as writing or picking up small objects.

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  • 25. 

    The Hypothenar muscles are responsible for?

    • A.

      Flexion and Adduction of 2nd Digit

    • B.

      Flexion and Adduction of 3rd Digit

    • C.

      Flexion and Adduction of 4th Digit

    • D.

      Flexion and Adduction of 5th Digit

    Correct Answer
    D. Flexion and Adduction of 5th Digit
    Explanation
    The Hypothenar muscles are located in the palm of the hand and are responsible for the movement of the little finger or the 5th digit. These muscles are involved in flexion, which is the bending of the finger, and adduction, which is the movement towards the midline of the hand. Therefore, the correct answer is "Flexion and Adduction of 5th Digit."

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  • 26. 

    Which two actions do the lumbricals provide?

    • A.

      MCP Flexion

    • B.

      MCP Extension

    • C.

      PIP/DIP Flexion

    • D.

      PIP/DIP Extension

    Correct Answer(s)
    A. MCP Flexion
    D. PIP/DIP Extension
    Explanation
    The lumbricals are a group of muscles in the hand that originate from the flexor digitorum profundus tendons. They provide two actions: MCP (metacarpophalangeal) flexion, which is the bending of the fingers at the knuckles, and PIP/DIP (proximal interphalangeal/distal interphalangeal) extension, which is the straightening of the middle and end joints of the fingers. These actions allow for gripping and grasping objects effectively.

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  • 27. 

    Which 3 movements do the palmar and dorsi interossi muscles provide?

    • A.

      MCP Flexion

    • B.

      MCP Extension

    • C.

      MCP Abduction

    • D.

      MCP Adduction

    Correct Answer(s)
    A. MCP Flexion
    C. MCP Abduction
    D. MCP Adduction
    Explanation
    The palmar and dorsi interossi muscles provide three movements: MCP flexion, MCP abduction, and MCP adduction. MCP flexion refers to bending the metacarpophalangeal joint, MCP abduction refers to moving the finger away from the midline of the hand, and MCP adduction refers to bringing the finger towards the midline of the hand. These movements are important for various hand functions, such as grasping objects and performing fine motor tasks.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Apr 22, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 20, 2011
    Quiz Created by
    Shaunwebster93
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