How To Draw A Mans Forearm

Introduction

Hi all! My name is Dani Puente, and today I volition give y'all some guidelines to acquire and amend drawing man arms easily and quickly.

It is essential that, as illustrators or people who honey illustration, we know some beefcake since this is one of the key pieces to grow as artists and to improve the quality of our illustrations. An incorrect, disproportionate posture or errors in the extremities can ruin our last work. Nonetheless, and since beefcake is not simple, in this tutorial, I will give yous the keys to draw arms in a existent, anatomical, and apparent fashion.

I promise that my advice will help you learn a little more about the human body and motivate you to continue learning.

Are you ready?

Proportions

To first cartoon the limbs of a human body, proportions are the first thing that we must know well. In this instance, I volition focus on those of the arm.

Every bit you can encounter in the following image, the arm can exist divided into three parts. I volition take the dimensions of the remainder of the body equally a reference.

The starting time role goes from the shoulder to the elbow (A). This part begins at the collarbone and ends at the level of the terminal rib. The second part is the forearm, which extends from the elbow to the wrist (B) specifically, at the height of the femur'southward head. And the tertiary is the paw (C), which goes from the wrist to the fingertips and ends approximately at the center of the thigh. I will show you all of this in more detail throughout this tutorial.

Study the post-obit drawing carefully:

Another important signal is never to forget that the length of the arms outstretched is equal to the private's height from the shoulders down.

Now let us focus on the proportions of the arm. As I said, the arm is divided into 3 parts: the arm, the forearm, and the manus. However, I am going to focus on the arm and the forearm.

The elevation part of the arm, which is the longest (A), is the humerus, a strong and long bone that starts at the shoulder and connects to the elbow, connecting at the joint in the forearm (B).

The bones that make up the forearm (B) are the ulna and the radius (red). These basic connect at a joint and are responsible for turning the wrist.

If you lot split the length into 12 portions, you tin can see that A is the longest part, with v units, the forearm (B) has iv units, and the hand (C) has three units.

Construction

One time you understand the proportions of your arm, you lot can then familiarize yourself with its shape and sympathize its musculature. The insertion of the muscles is like a concatenation.

A useful guide for constructing an arm is to include the line formed by the subcutaneous points or basic that can be perceived through the skin, such as the collarbone, elbow, and head of the ulna at the wrist.

Accept a look at the following prototype:

Muscle Anatomy

To larn and exist able to realistically draw the arms of your character, it is amend to know how to locate the most important muscles of the limb you are studying. Any your style, knowing them will exist useful in achieving the correct shape, which will enrich your illustrations.

Here you can run across in more detail the aforementioned subcutaneous points in areas A, B, and C.

Deltoid

Triceps

Biceps

Brachialis

Brachioradialis

Carpi radialis longus musculus

Extensor digitorum muscle

Extensor carpi ulnaris

Flexor carpi ulnaris

Anconeus

Movement and Rotations

On many occasions, the arm can be difficult to draw due to all its motility options: vertical, horizontal, diagonal turns, rotations, etc. This is considering the head of the humerus is rounded and allows virtually 360º mobility. Therefore, it is one of the greatest difficulties when cartoon artillery. Let me show you some rotation movements to help you solve these bug in your illustrations. Look closely at how the radius bone spins on the ulna during the rotation movement.

Note: Use the head of the ulna (red) as a reference. It must e'er be on the side of the niggling finger.

If you want to add realism to your illustrations, the arms' motility is aligned with a whole set of muscles and bones. For example, when cartoon a pose in which the arms are raised, practise not forget that, in the frontal plane, the pectoral (reddish), the latissimus dorsi (pinkish), and the collarbones (yellow) are raised; and the serratus (blue) is visible in the rib cage. In the posterior aeroplane (back), remember to include the movement of the scapula (light-green), as it also contributes to the movements of the arm. You can see information technology in the following images:

In short, to simplify the process of drawing an arm, we only must follow three clear guidelines: the proportions, the main muscles, and the reference points.

I hope that my advice, forth with my video, will help you, and soon you tin easily solve arms in your illustrations.

Thank you for reading this tutorial. I encourage yous to share on Instagram (@Danipuente_conceptart) the notes and illustrations you accept made post-obit this tutorial. Maybe a creature with 4 or six arms? Go for it! I would love to see information technology!

If you have any questions, I am at your disposal: danielpuentemorales@gmail.com.

It has been a pleasure to draw for all of you!

– Daniel Puente

www.Danipuente.com

Instagram.com/danipuente_conceptart/

Artstation.com/danipuente