Rectus is a Latin word that means straight. This means that the muscle is usually straight, as in the rectus abdominis.
oblique
Intramuscular
what is the scientific name for forearm
The term for the 4 sections of the heart muscle is the cardiac muscle.
The prefix bi- will be in front of the muscle name. For example bicep.
The Latin word for straight (in the sense of not curved) is rectus or directus.
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
Rectus abdominis is another term for the "six pack" muscles. These muscles respond very well to specific activities. Sit-ups, push through, and crunches will all help develop your rectus abdominis muscles.
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
Another name for the human heart is a cardiac muscle.
Generally Muscle Atrophy is the term used when your muscles start to waste or you lose muscle. This can happen when muscle is starved or if you have illnesses such as Cancer or AIDS - even if you stop using muscles.
Atonia is the term for no muscle tone. Hypotonia is the term used when discussing too little muscle tone. Hypertonia is the term used when discussing too much muscle tone.