transverse muscle of abdomen

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Definition

Noun: * Transverse muscle of abdomen: A broad, flat skeletal muscle located in the abdominal wall. Its fibers run horizontally (transversely) across the abdomen. It is the deepest of the major abdominal muscles and plays a crucial role in compressing the abdominal contents, stabilizing the trunk, and assisting in forced expiration, coughing, and defecation. It forms part of the anterior and lateral walls of the abdominal cavity.

Usage
  • This is a specific anatomical term. It is used in medical, biological, fitness, and physiotherapy contexts to refer to this particular muscle.
  • It is often discussed in relation to core strength and stability.
Examples
  • "A strong transverse muscle of abdomen is essential for good posture and lower back support."
  • "The surgeon carefully dissected down to the transverse muscle of abdomen during the procedure."
  • "Exercises like planks and vacuum breaths specifically target the transverse muscle of abdomen."
Advanced Usage
  • The muscle is frequently referenced by its abbreviated name, transversus abdominis, in professional and academic literature.
  • It is a key component of the "anatomical core," often described as a natural corset that supports the spine and internal organs.
Variants and Related Words
  • Transversus abdominis (muscle): The full Latin name and the most common synonym in technical contexts.
  • Transversus abdominis aponeurosis: Refers to the broad, flat tendon of this muscle which contributes to the structure of the linea alba and rectus sheath.
  • Abdominal muscles / Abdominals: The general group of muscles to which it belongs, which also includes the rectus abdominis and the internal and external obliques.
Synonyms
  • Transversus abdominis
  • Transverse abdominal muscle
Related Phrases
  • Core muscles: A functional group including the transverse abdominis, pelvic floor muscles, diaphragm, and multifidus that work together for trunk stability.
  • Drawing-in maneuver: A specific exercise technique to activate the transverse abdominis by pulling the navel inward toward the spine.
Noun
  1. a flat muscle with transverse fibers that forms the anterior and lateral walls of the abdominal cavity

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