The abdominal muscles form a key part of the human body’s core structure. They play a crucial role in core stability, posture, and movement, supporting the trunk and protecting internal organs. Here is a list of the human abdominal muscles: Rectus abdominis External oblique Internal oblique Cremaster Transversus abdominis Pyramidalis Quadratus lumborum

The pelvic floor muscles are a group of muscles at the base of the pelvis that support your internal organs, help control bladder and bowel movements, contribute to core stability, and play a vital role in sexual health. Here is a list of the human pelvic floor and perineal muscles: Deep Pelvic Floor Muscles (Pelvic Diaphragm) Levator Ani Group Pubococcygeus Puborectalis Iliococcygeus Coccygeus (Ischiococcygeus) Superficial Perineal Muscles Superficial Transverse Perineal Muscle Bulbospongiosus Ischiocavernosus External Anal Sphincter Deep Transverse Perineal Muscle