{"id":5671,"date":"2026-09-26T12:52:59","date_gmt":"2026-09-26T10:52:59","guid":{"rendered":"https:\/\/training.fit\/?post_type=uebung&#038;p=5671"},"modified":"2026-09-26T12:52:59","modified_gmt":"2026-09-26T10:52:59","slug":"sentadilla-hack-en-maquina","status":"publish","type":"uebung","link":"https:\/\/training.fit\/es\/ejercicio\/sentadilla-hack-en-maquina\/","title":{"rendered":"Sentadilla hack en m\u00e1quina"},"content":{"rendered":"<p>La sentadilla hack en m\u00e1quina es un ejercicio guiado que se centra en la parte delantera de los muslos, los cu\u00e1driceps. El movimiento es bastante sencillo: te colocas reclinado en la m\u00e1quina y empujas el peso hacia arriba mediante los apoyos de los hombros al extender las piernas.<\/p>\n<p>Es una alternativa a la <a href=\"https:\/\/training.fit\/es\/?post_type=uebung&amp;p=5653\">sentadilla frontal con barra<\/a>. Aunque el recorrido es parecido, la sentadilla frontal es un ejercicio compuesto con peso libre y exige m\u00e1s estabilizaci\u00f3n de la espalda. La sentadilla hack en m\u00e1quina, en cambio, es un ejercicio guiado para las piernas que requiere poca estabilizaci\u00f3n, similar a la <a href=\"https:\/\/training.fit\/es\/?post_type=uebung&amp;p=5580\">prensa de piernas<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ejecucion_correcta\">Ejecuci\u00f3n correcta<\/span><\/h2>\n<p>Hay distintas versiones de la m\u00e1quina hack, con diferencias en la colocaci\u00f3n del peso y el \u00e1ngulo del movimiento. Si los \u00e1ngulos de dos m\u00e1quinas son muy distintos, tambi\u00e9n puede cambiar el peso que puedes mover. Por ejemplo, al cambiar de gimnasio quiz\u00e1 puedas levantar menos peso porque el respaldo de la nueva m\u00e1quina forma un \u00e1ngulo menor.<\/p>\n<p>Por eso, conviene empezar con menos peso cuando cambies de m\u00e1quina.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Video_explicativo\">V\u00eddeo explicativo<\/span><\/h3>\n<div class=\"video-meta\" itemprop=\"video\" itemscope itemtype=\"https:\/\/schema.org\/VideoObject\"><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/training.fit\/wp-content\/plugins\/wp-youtube-lyte\/lyteCache.php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2F0tn5K9NlCfo%2Fmaxresdefault.jpg\" \/><meta itemprop=\"embedURL\" content=\"https:\/\/www.youtube.com\/embed\/0tn5K9NlCfo\" \/><meta itemprop=\"duration\" content=\"PT1M23S\" \/><meta itemprop=\"uploadDate\" content=\"2016-05-25T18:53:49Z\" \/><meta itemprop=\"name\" content=\"Hack Squat | Exercise Guide\" \/><meta itemprop=\"description\" content=\"Start A FREE 30 Day Trial Now: https:\/\/bbcom.me\/free-30-Day-Trial Shop Supplements, Vitamins and More! https:\/\/bbcom.me\/shop Learn how to do a hack squat. Main Muscle Worked: Quadriceps Other Muscles: Calves, Glutes, Hamstrings Equipment: Machine Mechanics Type: Compound Level: Beginner ========================================\u00ad===== | Directions | 1. Place the back of your torso against the back pad of the machine and hook your shoulders under the shoulder pads provided. 2. Position your legs in the platform using a shoulder width medium stance with the toes slightly pointed out. Tip: Keep your head up at all times and also maintain the back on the pad at all times. 3. Place your arms on the side handles of the machine and disengage the safety bars (which on most designs is done by moving the side handles from a facing front position to a diagonal position). 4. Now straighten your legs without locking the knees. This will be your starting position. (Note: For the purposes of this discussion we will use the medium stance described above which targets overall development; however you can choose any of the three stances described in the foot positioning section). 5. Begin to slowly lower the unit by bending the knees as you maintain a straight posture with the head up (back on the pad at all times). Continue down until the angle between the upper leg and the calves becomes slightly less than 90-degrees (which is the point in which the upper legs are below parallel to the floor). Inhale as you perform this portion of the movement. Tip: If you performed the exercise correctly, the front of the knees should make an imaginary straight line with the toes that is perpendicular to the front. If your knees are past that imaginary line (if they are past your toes) then you are placing undue stress on the knee and the exercise has been performed incorrectly. 6. Begin to raise the unit as you exhale by pushing the floor with mainly with the heel of your foot as you straighten the legs again and go back to the starting position. 7. Repeat for the recommended amount of repetitions. ========================================\u00ad===== We are Bodybuilding.com. Your transformation is our passion. We are your personal trainer, your nutritionist, your supplement expert, your lifting partner, your support group. We provide the technology, tools and products you need to burn fat, build muscle and become your best self.\"><div class=\"lyte-wrapper\" title=\"Hack Squat | Exercise Guide\" style=\"width:853px;max-width:100%;margin:5px;\"><div class=\"lyMe hidef\" id=\"WYL_0tn5K9NlCfo\"><div id=\"lyte_0tn5K9NlCfo\" data-src=\"https:\/\/training.fit\/wp-content\/plugins\/wp-youtube-lyte\/lyteCache.php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2F0tn5K9NlCfo%2Fmaxresdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\">Hack Squat | Exercise Guide<\/div><\/div><div class=\"play\"><\/div><div class=\"ctrl\"><div class=\"Lctrl\"><\/div><div class=\"Rctrl\"><\/div><\/div><\/div><noscript><a href=\"https:\/\/youtu.be\/0tn5K9NlCfo\" rel=\"nofollow\"><img src=\"https:\/\/training.fit\/wp-content\/plugins\/wp-youtube-lyte\/lyteCache.php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2F0tn5K9NlCfo%2F0.jpg\" alt=\"Hack Squat | Exercise Guide\" width=\"853\" height=\"460\" \/><br \/>Ver este v\u00eddeo en YouTube<\/a><\/noscript><\/div><\/div><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Instrucciones_paso_a_paso\">Instrucciones paso a paso<\/span><\/h3>\n<p class=\"num\">Coloca el peso adecuado para tu entrenamiento.<\/p>\n<p class=\"num\">Entra en la m\u00e1quina hack y sit\u00faa los hombros bajo los apoyos acolchados.<\/p>\n<p class=\"num\">Presiona la espalda contra el respaldo y coloca los pies aproximadamente a la anchura de los hombros sobre la plataforma.<\/p>\n<p class=\"num\">Sujeta las asas, que suelen estar junto a la cabeza, sin empujarlas.<\/p>\n<p class=\"num\">Tensa el cuerpo y prep\u00e1rate para levantar el peso. Mueve las asas hacia la cabeza para quitar el seguro y liberar el peso.<\/p>\n<p class=\"num\">Extiende las piernas con control, sin forzar las rodillas hacia atr\u00e1s. Esta es la posici\u00f3n inicial.<\/p>\n<p class=\"num\">Flexiona las rodillas y baja el peso despacio y con control. Termina la bajada cuando el \u00e1ngulo entre los muslos y las tibias sea algo menor de 90 grados.<\/p>\n<p class=\"num\">Empuja el peso hacia arriba extendiendo las piernas. Reduce la velocidad al acercarte a la posici\u00f3n alta y no fuerces las rodillas hacia atr\u00e1s m\u00e1s all\u00e1 de su posici\u00f3n recta. Mant\u00e9n la espalda contra el respaldo durante todo el movimiento.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Errores_frecuentes\">Errores frecuentes<\/span><\/h2>\n<p>Evita estirar las rodillas bruscamente hacia atr\u00e1s al terminar cada repetici\u00f3n. Reduce la velocidad al llegar arriba y controla el peso, sin forzar las rodillas en hiperextensi\u00f3n. Elige una carga que te permita mantener ese control durante toda la serie.<\/p>\n<p>Por el dise\u00f1o de la m\u00e1quina, una postura incorrecta de la espalda es poco habitual. Aun as\u00ed, procura no redondearla y mantenerla erguida contra el respaldo durante todo el ejercicio.<\/p>\n","protected":false},"featured_media":5673,"parent":0,"template":"","meta":[],"muskelgruppe":[1607,1594,1591],"acf":{"isolation-type":"isolation","difficulty":"easy","exercise-type":"machine","push-pull":"push","howto":true,"home-exercise":false,"other-names":"Sentadilla Hackenschmidt, Hack squat","target-muscles":30927,"equipment":4882,"muscles":[5147,5146,5182],"supporting-muscles":null,"training-type":null,"training-plans":null,"alternative_exercises":[7854,5707,5701]},"yoast_head":"<title>Sentadilla hack en m\u00e1quina - Instrucciones, info &amp; alternativas &raquo; Training.fit<\/title>\n<meta name=\"description\" content=\"Sentadilla hack en m\u00e1quina: descubre los apoyos de la m\u00e1quina y sus diferencias con el squat libre. 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