The muscle below is brachialis , this muscle flexes the elbow joint.

Question

BlackTom AI · Accepted Answer

When approaching a question that uses dropdowns for a labeling task, the first step is to identify the structure being described in the prompt.

The prompt states: 'The muscle below is brachialis, this muscle flexes the elbow joint.' There are two dropdowns to fill: the first should name the muscle, and the second should describe the action.

Option for the first dropdown (muscle name): brachialis
- Rationale: Based on the prompt, the muscle shown is identified as brachialis. The brachialis is a muscle located in the upper arm that lies deeper than the biceps brachii and attaches from the humerus to the coronoid process of the ulna. Its primary anatomical role relates to elbow movement rather than forearm rotation or shoulder motion.

Option for the second dropdown (action): flexes
- Rationale: The main action of the brachialis is elbow flexion. Unlike the biceps brachii, which can assist with supination, the brachialis acts as a pure elbow flexor, producing flexion regardless of forearm rotation. Therefore, describing its action as flexes the elbow joint accurately reflects its functional role.

Now consider potential alternative interpretations and why they are not selected here:
- If the first dropdown were 'biceps' or another muscle, the description would still involve elbow flexion, but the prompt explicitly labels the muscle in the image as brachialis, so selecting 'brachialis' aligns with the given identification.
- If the second dropdown used a different verb such as 'supinates' or 'extends', those would contradict the known function of the brachialis, which does not cause forearm supination and does not extend the elbow.

In summary, the correct pair aligns with anatomical facts: first dropdown = brachialis, second dropdown = flexes, reflecting the muscle identity and its primary action at the elbow.

2025FA-HES-207-001 B. ONQ #12

The muscle below is brachialis , this muscle flexes the elbow joint.

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2025FA-HES-207-001 B. ONQ #12

The muscle below is brachialis , this muscle flexes the elbow joint.

View Explanation

Log in for full answers

Similar Questions

One action of the teres major is extension . This muscle is considered to be __both posterior and inferior __ relative to the muscle's LOA (Line Of Action)

The muscle labelled #1 is the [ Select ] spleneus capitis Splenius cervicis Sternocleidomastoid Erector spinae and the muscle labelled #2 is the [ Select ] Rectus abdominis External oblique Internal oblique Quadratus lumborum .

The muscle labeled A is the [ Select ] Gluteus Maximus Gluteus Medius Gluteus Minimus Tensor Fascia Latae Sartorius and B is the [ Select ] Tensor Fascia Latae Sartorius Gluteus Medius Vastus Medialis

The muscle labeled A is the [ Select ] Rectus Femoris Vastus Medialis Gracilis Sartorius one of the Uni-Articular Adductors vastus lateralis and the muscle labeled B is the [ Select ] Rectus Femoris Vastus Medialis Gracilis Sartorius one of the Uni-Articular Adductors .

The muscle colored blue in the illustration above (from Visible Body) is the right Splenius capitis muscle. This muscle does the action of lateral flexion to the right (when concentrically contracting). (note this muscle is a neck muscle that attaches on the base of the skull)

The tibialis posterior muscle:

Question at position 15 Which of the following muscles does not belong with the others?Flexor hallucis longusGastrocnemiusSoleusExtensor hallucis longusTibialis posterior

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One action of the teres major is extension . This muscle is considered to be both posterior and inferior relative to the muscle's LOA (Line Of Action)