{"id":854,"date":"2026-04-17T11:15:27","date_gmt":"2026-04-17T03:15:27","guid":{"rendered":"https:\/\/www.hopmanfitness.com\/product\/posterior-bundle-of-pectoral-deltoid-muscles-hxz18\/"},"modified":"2026-04-24T10:35:19","modified_gmt":"2026-04-24T02:35:19","slug":"posterior-bundle-of-pectoral-deltoid-muscles-hxz18","status":"publish","type":"product","link":"https:\/\/www.hopmanfitness.com\/zh\/product\/posterior-bundle-of-pectoral-deltoid-muscles-hxz18\/","title":{"rendered":"Posterior bundle of pectoral\/deltoid muscles HXZ18"},"content":{"rendered":"
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Pectoral Posterior Bundle\/Deltoid Muscles Trainer HXZ18 Product Introduction (English Only)<\/div>\n

Product Overview<\/h2>\n
The HXZ18 Pectoral Posterior Bundle\/Deltoid Muscles Trainer is a professional commercial-grade dual-function strength training equipment, specifically designed for targeted training of the pectoral posterior bundle (lower and inner pectoralis major) and deltoid muscles (anterior, lateral, and posterior heads). It adopts a scientific fixed movement trajectory that conforms to human biomechanics, providing a safe, stable, and comfortable training platform for both pectoral and deltoid training. Suitable for gyms, fitness studios, rehabilitation centers, and other commercial scenarios, it caters to users of all training levels, helping to shape a balanced and three-dimensional chest, strengthen deltoid muscles, improve upper body symmetry and functional strength, and achieve comprehensive upper body muscle shaping and enhancement.<\/div>\n

Core Functions<\/h2>\n
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    Dual-Function Integration: Pectoral Posterior Bundle & Deltoid Training<\/strong> Combines two key upper body training functions in one machine, saving gym space and meeting diverse training needs. The pectoral posterior bundle training focuses on the lower and inner parts of the pectoralis major, effectively activating the underdeveloped pectoral posterior bundle through targeted inward and downward clamping movements, shaping a full, balanced, and three-dimensional chest contour. The deltoid training function targets all three heads of the deltoid muscles (anterior, lateral, and posterior), helping to strengthen and shape the shoulders, widen the shoulder line, improve shoulder stability, and correct shoulder imbalance caused by uneven muscle development.<\/div>\n<\/li>\n
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    Ergonomic Design for Safe & Comfortable Training<\/strong> The equipment is designed according to human biomechanical principles, with adjustable arm pads, seat, and backrest that fit the natural curve of the human body during training. The arm pads are ergonomically curved to fit the contour of the upper arms and chest, ensuring even force distribution and reducing local pressure on the shoulders, arms, and chest. The seat and backrest provide stable support for the upper body, preventing trunk sway and waist borrowing, effectively reducing pressure on the lumbar spine and shoulder joints, and avoiding sports injury, making it suitable for long-term training.<\/div>\n<\/li>\n
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    Multi-level Adjustable Design<\/strong> The seat height, arm pad position, movement angle, and resistance intensity are all adjustable to fit users with a height of 150-195cm. The movement angle can be adjusted within 0-75\u00b0 to meet different training focuses\u2014adjusting to a suitable angle for pectoral posterior bundle training or deltoid training (anterior, lateral, or posterior head). The pin-loaded weight stack allows smooth resistance adjustment with 5kg increments, suitable for beginners’ adaptive training, advanced trainers’ muscle hypertrophy training, and rehabilitation users’ low-intensity recovery training. The equipment also supports bilateral or single-arm training to correct left-right upper body muscle imbalance.<\/div>\n<\/li>\n
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    Stable & Durable Commercial-Grade Structure<\/strong> The body is made of thickened high-strength steel frame, treated with electrostatic powder coating, which is anti-corrosion, anti-wear, and not easy to rust, capable of withstanding long-term high-frequency commercial use. The bottom is equipped with non-slip rubber foot pads to firmly fix the equipment and prevent shaking or sliding during high-intensity training. The seat, backrest, and arm pads are covered with high-density soft PU leather padding, which is sweat-absorbent, wear-resistant, and comfortable, improving the training experience during long sessions.<\/div>\n<\/li>\n
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    Comprehensive Safety Protection<\/strong> Equipped with a sturdy safety handrail on both sides, allowing users to maintain balance during training and avoid falling. The arm pads are designed with a non-slip surface to prevent hand or arm sliding during movement, ensuring stable operation. The weight stack is equipped with a fully enclosed guard and safety pin to prevent the weight block from falling and avoid accidental injury. The slow return mechanism ensures that the arm pads reset smoothly without impact, protecting the shoulder and elbow joints from sudden force. The equipment complies with international commercial fitness safety standards, providing all-round protection for users of all levels.<\/div>\n<\/li>\n<\/ul>\n

    Main Benefits<\/h2>\n
    1. Target and strengthen the pectoral posterior bundle, improve chest balance, and shape a full, three-dimensional chest contour; 2. Strengthen all three heads of the deltoid muscles, widen the shoulder line, and correct shoulder imbalance; 3. Enhance upper body strength and stability, improving sports performance in upper body training and daily activities; 4. Activate and strengthen surrounding muscle groups (such as triceps and upper back muscles), promoting balanced upper body development; 5. Relieve shoulder and chest muscle tightness caused by long-term sitting, office work, and high-intensity training; 6. Assist in upper body rehabilitation training, helping to restore muscle function and joint mobility of the chest and shoulders.<\/div>\n

    Product Advantages<\/h2>\n
    1. Dual-function integration: Integrates pectoral posterior bundle and deltoid training, one machine meets two upper body training needs, saving space and high cost performance; 2. Targeted and efficient: Fixed movement trajectory ensures isolated training of target muscles (pectoral posterior bundle and deltoid heads), no movement compensation, and high training efficiency; 3. Commercial-grade quality: Thickened steel frame, anti-corrosion and wear-resistant, durable and easy to maintain, suitable for long-term high-frequency use in gyms; 4. Wide adaptation: Adjustable design fits users of all training levels, from beginners to advanced trainers and rehabilitation groups; 5. Easy to operate: Simple mode switching, resistance adjustment and posture adjustment, no professional guidance required, easy to get started; 6. High safety: Multiple safety protection designs, stable structure, ensuring safe and reliable use; 7. Comfortable experience: High-density soft padding and ergonomic design, suitable for long-term training sessions.<\/div>\n

    Applicable Scenarios<\/h2>\n
    Professional gyms, fitness studios, rehabilitation centers, corporate fitness rooms, high-end home fitness spaces, and other places that require targeted pectoral posterior bundle and deltoid muscle training equipment.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    The HXZ18 Pectoral Posterior Bundle\/Deltoid Muscles Trainer is a professional commercial-grade dual-function strength training equipment, specifically designed for targeted training of the pectoral posterior bundle (lower and inner pectoralis major) and deltoid muscles (anterior, lateral, and posterior heads). It adopts a scientific fixed movement trajectory that conforms to human biomechanics, providing a safe, stable, and comfortable training platform for both pectoral and deltoid training. Suitable for gyms, fitness studios, rehabilitation centers, and other commercial scenarios, it caters to users of all training levels, helping to shape a balanced and three-dimensional chest, strengthen deltoid muscles, improve upper body symmetry and functional strength, and achieve comprehensive upper body muscle shaping and enhancement.<\/p>","protected":false},"featured_media":924,"comment_status":"closed","ping_status":"closed","template":"","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false},"product_brand":[72],"product_cat":[47,30],"product_tag":[62],"class_list":{"0":"post-854","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-hxz","7":"product_cat-commercial-fitness-equipment","8":"product_cat-functional-training-equipment","9":"product_tag-hxz","11":"first","12":"instock","13":"sale","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.hopmanfitness.com\/zh\/wp-json\/wp\/v2\/product\/854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hopmanfitness.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.hopmanfitness.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hopmanfitness.com\/zh\/wp-json\/wp\/v2\/comments?post=854"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hopmanfitness.com\/zh\/wp-json\/wp\/v2\/media\/924"}],"wp:attachment":[{"href":"https:\/\/www.hopmanfitness.com\/zh\/wp-json\/wp\/v2\/media?parent=854"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.hopmanfitness.com\/zh\/wp-json\/wp\/v2\/product_brand?post=854"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.hopmanfitness.com\/zh\/wp-json\/wp\/v2\/product_cat?post=854"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.hopmanfitness.com\/zh\/wp-json\/wp\/v2\/product_tag?post=854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}