Is forearm training worth it, or will they grow by just lifting such as with deadlifts?

 Forearm training can indeed be worth the effort, especially if you're looking to achieve well-defined and strong forearms. While compound lifts like deadlifts, pull-ups, and rows do engage the forearms, they may not provide enough targeted stimulation to fully develop this muscle group. Specific forearm exercises such as wrist curls, reverse wrist curls, and farmer's walks can help in achieving more balanced and sculpted forearm muscles.

Additionally, strong forearms are crucial for improving grip strength, which can be advantageous in various exercises and daily activities. A solid grip is essential not only for lifting heavier weights but also for enhancing overall functional strength and preventing injuries. Therefore, incorporating forearm-specific exercises into your workout routine can contribute to better overall arm strength and wrist stability.

However, it's important to strike a balance in your training. Overtraining the forearms can lead to muscle imbalances and potential overuse injuries. It's advisable to incorporate forearm exercises in moderation and ensure that you're also focusing on other major muscle groups to maintain a well-rounded and balanced physique.

In conclusion, while compound exercises can help in building forearm strength to some extent, targeted forearm training can provide more comprehensive development, improve grip strength, and enhance overall arm aesthetics and functionality.