Time and Motion Study — Method, Software and the Modern Alternative

What a Time and Motion Study Is

A time and motion study observes an operator performing a repetitive task, breaks the task into elements, records the time for each element across many cycles, and analyses the sequence for wasted motion.

The output is a documented method, a time standard for each element and an aggregate cycle time.

That output feeds standard work, labor costing, line balance and capacity models.

Every industrial engineering discipline downstream of the workstation depends on it.

How to Run a Time and Motion Study

• 1. Define the task, its start and end points, and the observation environment.
• 2. Break the task into elements — small enough to be measurable, large enough to be repeatable.
• 3. Observe 30–100 cycles across the operators and shifts that actually run the work.
• 4. Record element times per cycle. Preserve the raw observations.
• 5. Analyse the motion — remove wasted movement, apply the principles of motion economy.
• 6. Establish the standard time, including allowances for rest, delay and contingency.
• 7. Publish the standard as operator standard work at the workstation.
• 8. Audit its use through the daily management system.

Time and Motion Study Software

Several commercial tools have digitized the traditional clipboard-and-stopwatch: Timer Pro, UMT Plus, AviX Method, ProTime and others.

They provide a video player, an element-boundary click interface, MTM libraries and reporting.

The analyst still watches the video and clicks the start and end of every element — the software structures the data but does not classify it.

This is the step AI workstation analysis automates.

AI Workstation Analysis — the Modern Alternative

AI workstation analysis replaces manual element tagging with automatic classification.

Instead of an analyst clicking boundaries frame-by-frame for a week, a model classifies every element across hours of footage in minutes, and the analyst validates and improves the classification on a sample.

The output is identical — element times, cycle-time distribution, yamazumi, standard work — the observation cost is an order of magnitude lower.

See the AI Workstation Analysis page for the full method.

When Time and Motion Study Still Matters

Time and motion study is the discipline; stopwatch, software and AI are its implementations.

The discipline is not going away — plants that skip element definition, standard work publication and audit will not get value from AI any more than they got value from the stopwatch.

The improvement conversation with the operator is where value is created; the observation method is where cost is spent.

Frequently Asked Questions