Which muscle flexes the wrist on the thumb side?

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Study for the Semmelweis Medical Terminology Exam. Access comprehensive flashcards and multiple choice questions, each with detailed hints and explanations. Prepare confidently for your medical terminology test!

Multiple Choice

Which muscle flexes the wrist on the thumb side?

Explanation:
The muscle that flexes the wrist on the thumb side is flexor carpi radialis. It sits on the radial (thumb) side of the forearm and functions to bend the wrist and aid in radial deviation (moving the hand toward the thumb). The other options either lie on the ulnar side and flex/ulnar-deviate the wrist (flexor carpi ulnaris), extend the wrist (extensor carpi radialis longus), or are weaker wrist flexors not specifically focused on the thumb side (palmaris longus).

The muscle that flexes the wrist on the thumb side is flexor carpi radialis. It sits on the radial (thumb) side of the forearm and functions to bend the wrist and aid in radial deviation (moving the hand toward the thumb). The other options either lie on the ulnar side and flex/ulnar-deviate the wrist (flexor carpi ulnaris), extend the wrist (extensor carpi radialis longus), or are weaker wrist flexors not specifically focused on the thumb side (palmaris longus).

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