What Is the Primary Extensor of the Lateral Four Fingers

question 33

Multiple Choice

What is the primary extensor of the lateral four fingers' interphalangeal (IP) joints and assists in wrist extension?

• A) Extensor carpi radialis longus
• B) Extensor carpi radialis brevis
• C) Extensor carpi ulnaris
• D) Extensor digitorum communis

---

Definitions:

Physiological Component

Refers to the physical and biological aspects that contribute to an organism's functions and processes.

Behavioural Component

The aspect of attitudes which pertains to the way we act or behave towards an object or situation.

Autonomic Arousal

The activation of the autonomic nervous system, which can result in physiological reactions such as increased heart rate or sweating, often due to stress or excitement.

Physiological Component

Refers to the aspects of processes, functions, and activities of living organisms that can be measured and studied.