Definition

Noun: 1. A long, thin, strap-like muscle in the anterior compartment of the human thigh: It is the longest muscle in the human body. Its primary actions are to flex, abduct, and laterally rotate the thigh at the hip joint, and to flex the leg at the knee joint. This combination of movements assists in crossing the legs, a posture historically associated with tailors at work, which is the origin of its name.

Examples of Usage

• Noun:
  • The sartorius runs obliquely across the front of the thigh from the hip to the inner knee.
  • A strain in the sartorius can cause pain along the inner thigh.
  • The name "sartorius" is derived from the Latin word for "tailor," referencing the cross-legged sitting position.

Advanced Usage

• Anatomical Context: In medical and anatomical texts, the sartorius is often discussed in relation to the femoral triangle, a clinically important region in the upper thigh, as the muscle forms its lateral boundary.
  • The pulse of the femoral artery can be palpated within the femoral triangle, medial to the sartorius muscle.

Variants and Related Words

• Sartorial (adj): Pertaining to tailors or tailored clothing. While related etymologically, this word is used in a completely different context (fashion) and not in anatomy.
  • He has excellent sartorial taste.

Synonyms

• Sartorius muscle: The full anatomical term.
• Tailor's muscle: A direct, non-technical reference to its etymological origin.

Different Meanings

This word has only one specific meaning in modern English: it refers exclusively to the anatomical muscle. Its usage is almost entirely confined to medical, anatomical, fitness, and biological contexts.

Noun

1. a muscle in the thigh that helps to rotate the leg into the sitting position assumed by a tailor; the longest muscle in the human body