As some women are reportedly spending up to $20,000 to achieve sculpted "trophy arms," a New York City fitness trainer says a targeted at-home routine and proper nutrition can offer a more affordable alternative.Marfred Suazo, better known as Fonz the Trainer, said he often has clients aiming to get what he calls the "holy grail" of arms.Building trophy arms doesn’t require daily workouts — but exercise selection, controlled movements and nutrition matter, according to Suazo, who runs a program called the Decade Strong Blueprint.BIGGEST WASTE OF MONEY IN YOUR HOME GYM MAY SURPRISE YOU, FITNESS EXPERT SAYS"A lot of people talk about tone and things like that, but I think the best thing — the epitome of an arm — is having it well-balanced and well-framed into the body, and having the right proportion from the shoulders to the triceps and biceps," he told Fox News Digital.A New York City fitness trainer says a targeted at-home routine and proper nutrition can help people achieve "trophy arms." (iStock)The goal should be proper proportion to a person’s frame rather than size, Suazo emphasized.A structured approach can help people make the most of their workout time, according to the trainer.10-MINUTE FITNESS HABIT CAN HELP ADULTS OVER 40 MAINTAIN MUSCLE AND STAY STRONG"Most of us don’t have so much available time to do it, so we want to do it as smartly and as effectively as possible," he said."A more planned-out training protocol will get you to that point where you really start seeing the arms develop and change in shape."Suazo shared the following tips for building stronger, more defined arms.Suazo recommends combining exercises that work multiple muscle groups — such as pull-ups, rows and chest presses — with movements that target specific areas, including lateral raises and triceps extensions."We’re building muscle with these bigger movements, these compound movements, and then just fine-detailing everything else with lateral raises, triceps exte...