Power muscles of the male arm: deltoid (1), triceps brachii long

Deltoid muscle: Origin, insertion, innervation, function

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Triceps brachii muscle: heads, anatomy and diagrams

Shoulder and Arm Workout Routine (10 Exercises) – StrengthLog

Dumbbell one-arm shoulder press instructions and video

How Many Muscles Are in the Human Body? Plus a Diagram

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Arm Muscles: Anatomy & Function of Biceps, Triceps, Forearms

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