Upper back / Trapezius
Lower trapezius
The lower fibers assist scapular depression and upward rotation and contribute to posterior tilt during arm elevation
- Origin
- Lower thoracic spinous processes
- Insertion
- Medial end of the scapular spine
- Primary actions
- The lower fibers assist scapular depression and upward rotation and contribute to posterior tilt during arm elevation
Educational anatomy reference only. This page does not diagnose pain, injury, or movement limitations.
From anatomy to action
Explore the movement, not just the muscle.
A single muscle rarely explains a movement by itself. Use the related movement content to see how this anatomy may contribute, then choose a focused program when you want a complete progression.
Movement guides and exercises
Capacity focus
Forward Head Posture
Explore a more comfortable head and neck position without forcing a single “perfect” posture.
Open movement guide
Capacity focus
Scapular Anterior Tilt
Explore shoulder-blade and arm movement that improves reaching comfort without forcing the scapula into one resting position.
Open movement guide
Capacity focus
Rounded Shoulders
Explore shoulder and upper-back positions that make reaching, pushing, and pulling feel easier.
Open movement guide
Capacity focus
Shoulder Elevation
Explore neck, shoulder-blade, and arm strategies that make reaching and carrying feel easier.
Open movement guideComplete guided progressions
Ready to follow a focused plan?
These programs include this muscle through a related guide or corrective recipe.