Question 1

What action occurs with the extensor hood when the extensor digitorum muscle contracts?

Accepted Answer

A) Hood moves proximally over metacarpophalangeal (MCP) joint, extends proximal phalanx 
B) Hood moves distally over interphalangeal (IP) joint, extends distal phalanx 
C) Hood moves proximally over MCP joint, extends distal phalanx 
D) Hood isometrically contracts, extends proximal interphalangeal, IP, and distal phalanx 
A) Hood moves proximally over metacarpophalangeal (MCP) joint, extends proximal phalanx 
B) Hood moves distally over interphalangeal (IP) joint, extends distal phalanx 
C) Hood moves proximally over MCP joint, extends distal phalanx 
D) Hood isometrically contracts, extends proximal interphalangeal, IP, and distal phalanx

Question 2

What wrist motion occurs as the wrist moves toward the palmar surface of the hand in a sagittal plane around a frontal axis?

Accepted Answer

A) Flexion 
B) Ulnar deviation 
C) Extension 
D) Radial deviation 
A) Flexion 
B) Ulnar deviation 
C) Extension 
D) Radial deviation

Question 3

What is the influence of the medial tilt of the radial styloid process on movement of the wrist?

Accepted Answer

A) Movement through a larger range of radial deviation compared with ulnar deviation 
B) Movement through a larger range of wrist flexion compared with extension 
C) Movement through a larger range of ulnar deviation compared with radial deviation 
D) Movement through a larger range of wrist extension compared with flexion 
A) Movement through a larger range of radial deviation compared with ulnar deviation 
B) Movement through a larger range of wrist flexion compared with extension 
C) Movement through a larger range of ulnar deviation compared with radial deviation 
D) Movement through a larger range of wrist extension compared with flexion

Question 4

Which of the following structures pass through the carpal tunnel?

Accepted Answer

A) Finger flexor tendons, radial nerve 
B) Finger extensor tendons, ulnar nerve 
C) Finger flexor tendons, median nerve 
D) Finger flexor and extensor tendons, musculocutaneous nerve 
A) Finger flexor tendons, radial nerve 
B) Finger extensor tendons, ulnar nerve 
C) Finger flexor tendons, median nerve 
D) Finger flexor and extensor tendons, musculocutaneous nerve

Question 5

Which of the following structures comprise the radiocarpal joint?

Accepted Answer

A) Distal radius, disc, ulna, trapezium 
B) Distal radius, disc, scaphoid, lunate 
C) Distal radius, disc, trapezium, 
D) Distal radius, disc, lunate, capitate 
A) Distal radius, disc, ulna, trapezium 
B) Distal radius, disc, scaphoid, lunate 
C) Distal radius, disc, trapezium, 
D) Distal radius, disc, lunate, capitate

Question 6

How many degrees of freedom is present at the thumb carpometacarpal joint?

Accepted Answer

A) 1 degree 
B) 2 degrees 
C) 3 degrees 
D) 4 degrees 
A) 1 degree 
B) 2 degrees 
C) 3 degrees 
D) 4 degrees

What action occurs with the extensor hood when the extensor digitorum muscle contracts?

What wrist motion occurs as the wrist moves toward the palmar surface of the hand in a sagittal plane around a frontal axis?

What is the influence of the medial tilt of the radial styloid process on movement of the wrist?

Which of the following structures pass through the carpal tunnel?

Which of the following structures comprise the radiocarpal joint?

How many degrees of freedom is present at the thumb carpometacarpal joint?

Principles of Kinesiology and Biomechanics

Structure and Function of Joints

Structure and Function of Muscles

Additional Biomechanical Principles

Structure and Function of the Spine

Structure and Ventilation Function of the Thorax

Structure and Function of the Temporomandibular Joint

Structure and Function of the Shoulder Complex

Structure and Function of the Elbow Complex

Structure and Function of the Hip Complex

Structure and Function of the Knee

Structure and Function of the Ankle and Foot Complex

The Kinesiology of Gait

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Exam 10: Structure and Function of the Wrist and Hand Complex

What action occurs with the extensor hood when the extensor digitorum muscle contracts?

What wrist motion occurs as the wrist moves toward the palmar surface of the hand in a sagittal plane around a frontal axis?

What is the influence of the medial tilt of the radial styloid process on movement of the wrist?

Which of the following structures pass through the carpal tunnel?

Which of the following structures comprise the radiocarpal joint?

How many degrees of freedom is present at the thumb carpometacarpal joint?

Principles of Kinesiology and Biomechanics

Structure and Function of Joints

Structure and Function of Muscles

Additional Biomechanical Principles

Structure and Function of the Spine

Structure and Ventilation Function of the Thorax

Structure and Function of the Temporomandibular Joint

Structure and Function of the Shoulder Complex

Structure and Function of the Elbow Complex

Structure and Function of the Hip Complex

Structure and Function of the Knee

Structure and Function of the Ankle and Foot Complex

The Kinesiology of Gait

Filters