your elbow muscle will worked mainly at the time of trackball.
Main Muscle Worked: Biceps
Your quadriceps, hamstrings, calf muscles, hip flexors, lower back, lower abdominals, and your glutes are worked doing lunges. Your quadriceps, hamstrings, and glutes are the main muscles worked, the rest are secondary.
There are five muscles worked when doing a triceps extension. The main muscle is, obviously, the triceps. Secondary muscles that are worked are the deltoid, pectorals major, latissimus dorsi, and teres major.
Quadriceps
The main muscle is the heart.
The bulkiest would be the glutenous maximus. the main "butt" muscle. the largest surface area would be the latimus Dosi "lower back" muscle .
The muscle that plays the main role is the diaphragm.:)
the muscle are to move the bone.
track and field track and field
The main muscle targets engaged during pull-up exercises are the latissimus dorsi (back muscles), biceps, and forearms.
Involuntary muscle only found in the heart regulates the beat at which the heart pumps blood to the arteries which then blood follows to the capillaries and is oxygenated ten follows the veins back to heart and the cycle begins again but before i get off track the main function of cardiac muscle tissue is to regulate the beat of your heart to (in the average human) about 70 beats per minute.(is not striated like skeletal muscle tissue)
The trapezius muscle extends from the upper back to the back of the neck. Its main functions are to support the arm and to move the shoulder blade.