Shoulders

Deltoideus

deltoideus

Teres major

teres major
Movements that activate shoulders:

Shoulder Flexion, Shoulder Internal Rotation, Shoulder Abduction, Shoulder Extension, Shoulder External Rotation, Shoulder Adduction

None
None - technique demonstration

None

Sections:Mid back
Muscles:Lats
Equipment:Cable
Complexity:Level 13
None
None - technique demonstration

None

Sections:Anterior delt
Muscles:Front delt
Equipment:Cable
Complexity:Level 13

Attribution & Lineage
Anatomical data follows the tradition of Gray & Carter (1858), referencing Gray's Anatomy, 1918 Edition by H. Lewis (public domain).
Digital illustrations: myboxpra (123RF/iStock).
User interface designed with assistance from Anthropic's Claude. Debugged with OpenAI's ChatGPT, xAI's Grok and Google's Gemini.