Age

18–64

Sex

ALL

Healthy volunteers

Not accepted

Adults aged 18-64 years with obesity.
Planned initiation of incretin-based obesity pharmacotherapy as part of routine clinical care.
Able to participate in supervised unilateral resistance training.
Able to complete physical function tests.
Able to attend study visits at the study center.
Able to provide written informed consent in the Swedish language.

Contraindication to magnetic resonance imaging.
Medical condition preventing resistance training or physical function testing.
Medical condition preventing skeletal muscle or adipose tissue biopsy.
Inability to understand study information in Swedish or provide informed consent.

Preserving Muscle Mass During Incretin-Induced Weight Loss