Regular resistance training increases the diameter of muscle fibers and improves overall strength.

After weeks of training, she could feel the muscle fibres in her legs growing stronger during each run.

During the biopsy, the doctor examined a single muscle fiber under the microscope.

During the anatomy lab, we carefully examined the muscles of mastication to understand their attachments and functions.

Tension in the scalene muscles can cause referred pain to the shoulder and arm.

During the physical exam, the doctor asked the patient to turn his head to test the strength of the sternocleidomastoid muscles.

The doctor explained that involuntary muscles control digestion and heartbeat without conscious effort.

During the dissection, the anatomist carefully exposed the temporoparietalis muscles to study their connections with the galea aponeurotica.

During the dissection, the anatomist carefully examined the triangularis muscles to determine their origin and insertion.

He tried to hide his love muscle under the towel, embarrassed by the attention.