Isolation · Beginner

Machine Shrug

Isolation isolation exercise using machine.

Movement pattern: Isolation
Difficulty: Beginner
Equipment: Machine
Mechanics: Isolation
Sides: Bilateral
Main plane: Frontal

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How to do the Machine Shrug

Cues reviewed by Kwabena Osei on 20 Sep 2026

Setup

Positioned in the machine per its setup, gripping the handles with arms straight, shoulders relaxed down to start.

Elevate your shoulders straight up along the machine's fixed path, squeezing at the top.
Keep the movement purely vertical, same as the free-weight versions -- the machine's path already prevents rolling, but don't fight it by leaning or twisting.
Lower under control back to a full stretch.

Common mistakes

Using your legs/hips to help drive the weight up instead of isolating the movement at the shoulders.
Cutting the range short instead of using the machine's full available stretch-to-contraction path.

Muscles worked

Primary

Trapezius (upper)

Secondary

Rhomboids

How the knowledge graph models this movement

Each joint action, with the role and emphasis the graph assigns each muscle. These are qualitative anatomical labels, not measured muscle activation.

Scapula elevationprimary action
Trapezius (prime mover, high emphasis); Rhomboids (synergist, moderate emphasis)

From the Knowledge Library

Anatomy · AnatomyTrapeziusA muscle that functions as three different muscles — upper, middle, and lower traps — moving the scapula.

Educational content only — not medical advice. Consult a qualified professional for individual guidance, especially around injury, pregnancy or medical conditions.