Which of the Following Simultaneous Joint Actions Illustrate Countercurrent Biarticular

question 11

Multiple Choice

Which of the following simultaneous joint actions illustrate countercurrent biarticular muscle action?
1) flexion at knee--extension at hips
2) extension at knee--flexion at hips
3) flexion of fingers--flexion at wrist
4) extension of fingers--flexion at wrist

• A) flexion at knee--extension at hips, extension at knee--flexion at hips
• B) extension at knee--flexion at hips, flexion of fingers--flexion at wrist
• C) flexion at knee--extension at hips, extension at knee--flexion at hips, flexion of fingers--flexion at wrist
• D) extension at knee--flexion at hips, flexion of fingers--flexion at wrist, extension of fingers--flexion at wrist

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Definitions:

Visual Cortex

The part of the cerebral cortex that receives and processes sensory nerve impulses from the eyes.

Visual Patterns

Visual patterns refer to the arrangement or sequence of shapes, lines, or colors that can be recognized visually and often repeat in a predictable manner.

Cerebral Cortex

The outer layer of the brain, involved in complex functions such as thought, language, memory, and consciousness.

Cerebellum

A region of the brain that plays an important role in motor control, and it may also be involved in some cognitive functions.