CEAS Human Anatomy & Biomechanics 3

Question 1

Carpal tunnel syndrome results from compression of which nerve at the wrist?

Accepted Answer

Median nerve

Answer

Ulnar nerve

Answer

Radial nerve

Answer

Musculocutaneous nerve

Question 2

An exaggerated anterior (inward) curvature of the lumbar spine beyond normal limits is clinically described as:

Accepted Answer

Hyperlordosis

Answer

Thoracic kyphosis

Answer

Lateral scoliosis

Answer

Spinal stenosis

Question 3

Which of the following muscles is NOT part of the rotator cuff?

Accepted Answer

Deltoid

Answer

Supraspinatus

Answer

Infraspinatus

Answer

Subscapularis

Question 4

Lateral epicondylitis ('tennis elbow') involves degeneration of the common tendon origin at the lateral epicondyle, primarily affecting which muscle group?

Accepted Answer

Wrist extensors

Answer

Wrist flexors

Answer

Finger flexors (flexor digitorum)

Answer

Elbow flexors (biceps)

Question 5

Thoracic outlet syndrome (TOS) involves compression of neurovascular structures (brachial plexus, subclavian vessels) between:

Accepted Answer

The clavicle or first rib and surrounding scalene or pectoralis minor muscles

Answer

The vertebral bodies and spinal cord in the thoracic region

Answer

The carpal bones and the flexor retinaculum at the wrist

Answer

The medial epicondyle and the cubital tunnel at the elbow

Question 6

In standing workstation design, standing elbow height is the primary anthropometric reference for setting:

Accepted Answer

Work surface height for precision hand tasks

Answer

Seated chair pan height

Answer

Optimal monitor viewing distance

Answer

Keyboard tilt angle

Question 7

Grip strength is standardly quantified in ergonomic and clinical assessments using a:

Accepted Answer

Dynamometer

Answer

Goniometer

Answer

Inclinometer

Answer

Accelerometer