The muscle of the arm with three heads or points of origin is the triceps brachii.
The bicep muscle is located on the front of the upper arm and is responsible for bending the arm at the elbow. It has two heads, or points of origin, which is why it's called the "bi"cep. The tricep muscle is located on the back of the upper arm and is responsible for straightening the arm at the elbow. It has three heads, which is why it's called the "tri"cep.
A muscle having three heads; specif., the great extensor of the forearm, arising by three heads and inserted into the olecranon at the elbow.
Triceps.
Triceps bachii is the scientific name of the muscle given to the more popularly called triceps muscle. Tri means three. Ceps means heads. It has got three heads. Brachii means related to your brachium or the arm.
The triceps brachii is attached in three places. It has three heads, as its name indicates.
"Tri" is the Latin for three. "Ceps" means head. The triceps muscle, found on the back part of the upper arm, has three "heads" or spots where it attaches to the bone. The triceps is the opposing muscle for the biceps, which has "two-heads."
The triceps brachii has three heads that insert at the olecranon process of the ulna, located at the elbow. The long head also has an additional origin from the infraglenoid tubercle of the scapula, while the lateral and medial heads originate from the posterior humerus. Together, these heads enable elbow extension and contribute to shoulder stabilization.
It tells you the number of origins. "When biceps, triceps, or quadriceps forms part of a muscle's name, you can assume that the muscle has two, three, or four origins, respectively. For example, the biceps brachii muscle of the arm has two origins, or heads."- Human Anatomy & Physiology. Eighth Edition. Elaine N. Marieb page 321
1: Origin, 2 : Belly , and 3 : Insertion.
The triceps muscle is located on the back of the upper arm and has three heads, while the biceps muscle is located on the front of the upper arm and has two heads. The triceps muscle is responsible for extending the arm, while the biceps muscle is responsible for flexing the arm.
The scientific name of the triceps muscle is "triceps brachii." It is located in the upper arm and is responsible for extending the elbow. The name "triceps" means "three heads," referring to its three distinct muscle heads: the long head, lateral head, and medial head.
A muscle that has three origins is called a "tricep." This type of muscle has three separate points of attachment where its fibers originate from, giving it its name "tri-" meaning three. The tricep muscle is typically found in the upper arm and is responsible for extending the elbow joint.