Reaching Is Largely Controlled by

question 47

Multiple Choice

Reaching is largely controlled by

• A) vision.
• B) proprioception.
• C) gross-motor development.
• D) depth perception.

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Definitions:

Dorsal Root

The sensory branch of a spinal nerve that enters the spinal cord, carrying sensory information from the peripheral nervous system to the central nervous system.

Musculocutaneous Nerve

The musculocutaneous nerve is a major peripheral nerve of the upper limb, primarily responsible for the innervation of the biceps muscle and sensation to the forearm.

Biceps Brachii

A muscle located in the upper arm, responsible for flexing the elbow and rotating the forearm.

Deltoid

A large, triangular muscle covering the shoulder joint, involved in lifting and rotating the arm.