Anterior means "front" portion of the body. A crest is a prominent ridge. For example if you will search for a pelvic bone, you will see that the illium has a "crest." This crest is the top ridge of the pelvic bone.
This long ridge of the tibia is called the anterior crest or anterior border. See link below:
The anterior bone of the shoulder girdle is the clavicle, also known as the collarbone. It connects the sternum (breastbone) to the scapula (shoulder blade) and helps to support the shoulder and upper limb.
In the anatomical position, the umbilicus (belly button) is on the anterior body surface, while the knees are on the anterior body surface as well.
....behind/back and antonym would be anterior - in front/front
The front portion of the body is called the anterior aspect or the ventral side.
The iliac crest
The anterior iliac crest serves as the origin for several muscles, primarily the tensor fasciae latae and part of the sartorius muscle. Additionally, it provides attachment for the external oblique muscle and plays a role in the origin of the internal oblique and transversus abdominis muscles. These muscles contribute to various movements of the hip and trunk.
This long ridge of the tibia is called the anterior crest or anterior border. See link below:
The anterior bone of the shoulder girdle is the clavicle, also known as the collarbone. It connects the sternum (breastbone) to the scapula (shoulder blade) and helps to support the shoulder and upper limb.
100 percent anterior
the opposite of anterior is Posterior.
Crest.
Family crest Bird's crest
Kari's Crest is the Crest of Light.
The distance from crest to crest in a wave is called the wavelength.
The anterior crest is prominent bone feature on the tibia. It is often called the shin.
The external abdominal obliques are on both sides of your torso. They run diagonally from external surfaces of ribs 5-12 (origin) to the anterior illiac crest and abdominal aponeurosis (insertion).