protraction

1 the consequence of being lengthened in duration [syn: lengthiness, prolongation, continuation]

2 the act of prolonging something; "there was an indefinite prolongation of the peace talks" [syn: prolongation, perpetuation, lengthening]

English

Noun

1. The condition of being protracted
2. The act of protracting
3. The lengthening of a short syllable
4. An anterior movement on the horizontal plane; The forward movement of the tongue or of a limb

Protraction is the anatomical term of motion for anterior movement of the arms at the shoulders.

It is the opposite of retraction.

The major muscles involved include:

• Serratus anterior muscle
• Pectoralis minor muscle

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