Table 1 Matrix of change objectives for the PE teacher

PO1. Plan strength exercises in PE classes

K1.1. State the advantages (biologically and psychologically) of strength exercises in obese youngsters.

K1.2. State that body composition improvements are more important than weight loss.

K1.3. State that strength exercises improve body composition.

K1.4. State that strength exercises are good for all students.

SSE1.1. Demonstrate the ability to add strength exercises to the PE classes.

SSE1.2. Express confidence to add 30 % more strength exercises to all gym classes.

A1.1 Express that adding strength exercises has many more advantages than disadvantages.

A1.2. Belief that the school is co-responsible for student’s health, and that strength exercises contribute.

PN1.1. Explain that other PE teachers also plan strength exercises in PE classes.

PO2. Prepare strength exercises, (and use the workbook for inspiration).

K.2.1. List a sufficient number of strength exercises that can be used throughout the year, and which are appropriate for 11–13 year old students

K2.2. State what is needed to maintain safety.

SSE2.1. Prepare lessons for PE classes

SSE2.2. Express confidence that they can create strength exercises that can be used throughout the year, and which are appropriate for 11–13 year old students

A2.1. Belief that it’s important to plan strength exercises ahead over the year.

PO3. Adapt strength exercises based on experience.

K3.1. Indicate the differences among students (e.g. gender and physical development).

SSE3.1. Express confidence that they can give strength exercises appropriate for 11–13 year old students.

A3.1. State that well-adjusted, tailored strength exercises are advantageous for the students.

PN2.1. Recognize strength exercises as important aspects of PE class.

PO4. Locate appropriate (safe) equipment

K4.1. Explain what available equipment at the school is appropriate and safe for strength exercises.

A4.1. State importance of having sufficient, appropriate and safe equipment.

PO5. Acquire additional materials through school management.

K5.1. Explain what new materials are needed

A5.1. Belief that the school is co-responsible for student’s health, and that strength exercises contribute.

A5.2. Belief that strength exercises can be positively discussed with the principle.

PN5.1 Talk about other school managements that acquire additional materials for strength exercises.

PO6. Adapt and Continue the strength exercises through the school year.

K6.1. List possible alternatives for strength exercises that might be more appropriate.

SSE6.1. Feel confident to deal with possible barriers.

P6.1. Belief that long term benefits can be achieved by continuation of the strength exercises throughout the school year.