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Classic V2

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MD Muscle-Flight TrainerMD Muscle-Flight Trainer

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Classic V2 Muscle-Flight Trainer | Muscle D Fitness Upper Body Machine
Sale price$4,495.00 Regular price$6,216.00
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Woman using a Classic V2 Seated Leg Curl machine by Muscle D Fitness in a gym setting with a white textured wall background.Classic V2 Selectorized Seated Leg Curl Machine – Muscle D Fitness

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Classic V2 Selectorized Seated Leg Curl Machine – Muscle D Fitness
Sale price$3,595.00 Regular price$4,995.00
Woman exercising on a red-and-black Classic V2 Pec/Rear Delt Combo machine against a white, textured wall.Man using a red and black Classic V2 Pec/Rear Delt Combo machine in a gym setting

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Classic V2 Selectorized Pec / Rear Delt Combo – Muscle D Fitness
Sale price$3,595.00
Person using a Classic V2 Prone Leg Curl machine by Muscle D Fitness against a textured wall.Person using a Classic-V2-Prone-Leg-Curl machine in a gym setting with a white textured wall background.

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Classic V2 Selectorized Prone Leg Curl – Commercial Gym Machine
Sale price$3,595.00
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Man using a Classic V2 Lat Pulldown Low Row Combo machine in a gym setting by Muscle D FitnessMan exercising on a Classic V2 Lat Pulldown Low Row Combo machine in a gym setting

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Classic V2 Selectorized Lat Pulldown / Low Row Combo by Muscle D Fitness
Sale price$3,595.00 Regular price$4,995.00
Man using a Classic V2 Biceps/Triceps machine with a white wall backgroundPerson using a red and black Classic V2 Biceps/Triceps machine with a white textured wall in the background

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Classic V2 Selectorized Biceps/Triceps Combo – Commercial Gym Machine
Sale price$3,595.00
Classic V2 Selectorized Inner/Outer Thigh Combo Machine – Muscle D FitnessClassic V2 Selectorized Inner/Outer Thigh Combo Machine – Muscle D Fitness

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Classic V2 Selectorized Inner/Outer Thigh Combo Machine – Muscle D Fitness
Sale price$3,595.00
Classic V2 Selectorized Leg Extension / Seated Leg Curl Combo | Muscle DWoman using a Classic V2 Leg Extension / Leg Curl Combo machine by Muscle D Fitness in a gym setting with a textured white wall background.

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Classic V2 Selectorized Leg Extension / Seated Leg Curl Combo | Muscle D
Sale price$3,595.00
Man exercising on a Classic V2 Selectorized Multi-Press Chest & Shoulder Press machine in a gym settingMan exercising on a Classic V2 Selectorized Multi-Press Chest & Shoulder Press machine in a gym setting

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Classic V2 Selectorized Multi-Press Chest & Shoulder Press Machine
Sale price$3,995.00
Classic V2 Selectorized Standing Lateral Raise MachineClassic V2 Selectorized Standing Lateral Raise Machine

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Classic V2 Selectorized Standing Lateral Raise Machine
Sale price$3,595.00

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commercial selectorized assisted chin dip, inner outer thigh and long pull row machine
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commercial black and dark grey selectorized leg extension prone leg curl combo machine

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Everyone Can be MuscleDBrian Lewallen of Muscle Dynamics in a vintage product image

Beyond the Treadmill: The 1980s Fitness Revolution That Predicted the Future of Training

In the 1980s, Muscle Dynamics founder Brian Lewallen and physiologist Dr. Gregory Ellis developed the Spectrum Training System — a science-driven training philosophy that challenged aerobics cultur...

Jun 18, 2026
Gym Equipment AcademyMastering the Pectoral Fly: Proper Form and Science-Backed Techniques for Maximum Chest Hypertrophy

Mastering the Pectoral Fly: Proper Form and Science-Backed Techniques for Maximum Chest Hypertrophy

Master the pectoral fly with expert form cues for flat, incline, decline, pec deck, and cable variations. Build a stronger, fuller chest with biomechanics-backed technique.

Jun 9, 2026
Gym Equipment AcademyLat-Pulldown, Lat Pull, and Assisted Chin/Dip machines in a gym setting.

Pull-Ups vs. Lat Pulldowns: The Science-Backed Guide to Building a Wider, Stronger Back

Pull-ups and lat pulldowns are both elite vertical pulling movements — but which one builds a better back? We break down the biomechanics, EMG research, and how to program both using Muscle D Fitne...

Jun 8, 2026

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