thinQmaster Virtual testing partner Adaptive practice exams that find your weak spots and drill them. Every answer explained. From $69
Enroll

thinQmaster

Find your exam

Five questions free, before you decide.

Step 1 · choose a vendor

In one of our camps? Your practice exams come with the tuition — they are on your study page already.

Project Management & Agile · Intermediate

Muri and Mura

Lean terms for overburden (muri) and unevenness or variability (mura), which together with muda are the 3 Ms.

Definition

Muri overloads people or equipment beyond capacity; mura is irregular workflow that leads to both muri and muda. Heijunka (level loading) addresses mura.

Example

Peaks of work before each release (mura) cause overtime (muri) and defects (muda).

Exam tip

Know all three Ms.

Related terms