Which muscle “flexes forearm”?

ID: Which muscle is indicated by “B” in the image below.

Anterior trunk surface anatomy matching:

ID: Which surface marking indicates the trapezius muscle in the image below?

ID: Which structure is indicated by “C” in the image below?

Which joint structure secretes synovial fluid:

The                                opposes the movement caused by the agonist.

ID: Which letter indicates the sternocleidomastoid muscle in the image below?

ID the parts of the muscle fiber:

Moving an appendage toward the midline is: