Therbligs and 18 Motions Name with Symbols

What is Therblig?

Therbligs refer primarily to the motions of the human body at the workplace and to the mental activities associated with them. Hand and Eye motions. The human body movements are divided into divisions of movements or group of movements for the micromotion study. These divisions of movements or groups of movements are known as Therbligs.

Micromotion study is done for operation with a very short cycle time that repeated many times.

The origin of the Therblig term is very interesting. Therblig is an anagram of Gilbreth (Frank B. Gilbreth), the founder of the motion study. The divisions of the human body movements (activity) were devised by Frank B. Gilbreth.

18 Motions of Therbligs, Symbols, Names, Abbreviation

Each therblig has a specific color, symbols and letter for recording purpose. The Therblig symbols (colored), the name of the motion and abbreviation (letter) are shown in the below chart.

Therbligs symbols, letter

Introduction to Workstudy, 3rd edition

Prasanta Sarkar

Prasanta Sarkar is a textile engineer and a postgraduate in fashion technology from NIFT, New Delhi, India. He has authored 6 books in the field of garment manufacturing technology, garment business setup, and industrial engineering. He loves writing how-to guide articles in the fashion industry niche. He has been working in the apparel manufacturing industry since 2006. He has visited garment factories in many countries and implemented process improvement projects in numerous garment units in different continents including Asia, Europe, and South Africa. He is the founder and editor of the Online Clothing Study Blog.

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