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Slim Thick Traps Training: Upper Back Development at 160-190 lbs

May 19, 2026 · By Xavier Savage · Resources

Slim Thick Traps Training: Upper Back Development at 160-190 lbs

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The trapezius is one of the largest muscles in your body and one of the most misunderstood in women’s training. Most women avoid trap training entirely, fearing the thick elevated shoulder appearance of heavy shrug training. That concern is valid for the upper trap. But the middle and lower trapezius — trained through rowing and pulling — are essential for posture, shoulder health, and the upper back definition visible in any open-back top or fitted clothing.

My name is Xavier Savage. I am a personal trainer based in Houston, Texas, and I work with clients in person and online through XPL, Xesthetic Performance Labs.

Trap Anatomy

Three regions. The upper traps run from the base of your skull to your shoulder and elevate your shoulder blades — the shrug movement. Overdeveloping them creates the thick-necked appearance most women want to avoid. The middle traps run horizontally between your spine and shoulder blades, retract them, and are critical for posture and the muscular definition between your shoulder blades. The lower traps run from your mid-spine upward to your shoulder blades, depress them, and are essential for shoulder joint health and postural alignment.

Training Strategy

Minimize direct upper trap work. Heavy barbell and dumbbell shrugs should be avoided or kept at very low volume. The upper traps receive significant indirect stimulus from deadlifts, rows, and carries — they do not need additional direct training.

Prioritize middle and lower trap development through rowing movements and exercises specifically targeting lower trap activation like Y raises and prone cobras.

Best Exercises

Face pulls develop both middle and lower traps alongside the rear delts. They are the single most important exercise for upper back posture and three-dimensional shoulder development. Three to four sets of 15 to 20 reps in every upper body session.

Seated cable rows with a retraction hold — pause two seconds at peak contraction, fully squeezing shoulder blades together — develop the middle traps with sustained tension. Three sets of 12 to 15 reps.

Y raises with light dumbbells develop the lower trapezius specifically. Lie face down on a 45-degree incline bench, raise your arms in a Y position — thumbs up, arms at 45 degrees above horizontal. Very light weight, full range of motion. Two to three sets of 15 reps.

Prone cobras — lying face down, raising your chest with arms back and thumbs up — activate lower traps with no equipment. Hold two seconds at the top. Use as a warm-up before upper body sessions.

Programming

Train traps as part of every upper body back session. Face pulls and rows cover the majority of middle and lower trap development. Add Y raises once per week. Avoid heavy shrugs. Read the Slim Thick Back and Slim Thick Rear Delts guides alongside this.


I train clients in person in Houston, Texas and online through XPL. Take the XPL Archetype Quiz or visit xperformancelab.com/plans-pricing to work with me directly.

The standards behind the standards. — Xavier Savage, XPL Xesthetic Performance Labs, Houston, TX

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Xavier Savage

Founder, XPERFORMANCELAB

I do not shape muscle. I shape structure. The person you become is the person you construct.

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