The internal oblique muscle is a muscle that helps with the body's rotational movements and lateral bending.

He is doing special exercises to strengthen his adductor brevis.

His pronator teres was aching from muscle soreness.

He is doing a special exercise to strengthen the pronator quadratus muscle.

Kunminjōon is a book for teaching the correct pronunciation of Hangul.

Infrasound is a type of sound that is inaudible to the human ear.

Debuccalization refers to the phenomenon in phonetics where a specific sound is pronounced outside the oral cavity.

She started a special exercise to strengthen her adductor pollicis.

By strengthening the adductor hallucis, you can maintain the health of your feet.

Understanding the concept of 'Ha-line conversion sounds' is important in learning Japanese.