Examples of Antagonistic Muscles
- Biceps and triceps.
- Gluteus maximum and hip flexors.
- Hamstrings and quadriceps.
- Pectoralis major and latissimus dorsi.
- Gastrocnemius and tibialis anterior.
- Abductor and adductor.
What is the job of the antagonist?
An antagonist is used as a plot device, to set up conflicts, obstacles, or challenges for the protagonist. Though not every story requires an antagonist, it often is used in plays to increase the level of drama.
What is an example of antagonist?
The antagonist can be one character or a group of characters. In traditional narratives, the antagonist is synonymous with “the bad guy.” Examples of antagonists include Iago from William Shakespeare’s Othello, Darth Vader from the original Star Wars trilogy, and Lord Voldemort from J.K. Rowling’s Harry Potter series.
Why biceps and triceps are said to act antagonistically?
Antagonist and agonist muscles often occur in pairs, called antagonistic pairs. As one muscle contracts, the other relaxes. An example of an antagonistic pair is the biceps and triceps; to contract, the triceps relaxes while the biceps contracts to lift the arm.
Are biceps and triceps synergist?
There are three muscles on the upper arm that are parallel to the long axis of the humerus, the biceps brachii, the brachialis, and the triceps brachii. … The biceps brachii has two synergist muscles that assist it in flexing the forearm. Both are found on the anterior side of the arm and forearm.
What is the difference between an agonist and antagonist?
An agonist is a drug that binds to the receptor, producing a similar response to the intended chemical and receptor. Whereas an antagonist is a drug that binds to the receptor either on the primary site, or on another site, which all together stops the receptor from producing a response.
What exercise works the rectus abdominis?
1. Forearm Plank. The forearm plank is a staple in core workouts. Not only does it target the entire rectus abdominis, but it also challenges your entire core and several muscles in your upper body.
Which muscles work as antagonists at your spine?
The rectus abdominis, external oblique, and transversus abdominis all flex the back, making them antagonists to the back extensor muscles. Only those three abdominal muscles form the antagonist group for the back extension, leaving out the fourth abdominal muscle: the internal abdominal oblique.
What is the antagonist muscle to the infraspinatus?
The infraspinatus: agonistic: anterior deltoid, latissimus dorsi, lower trapezius, pectoralis major, pectoralis minor, serratus anterior, teres minor. antagonistic: middle deltoid, middle trapezius, posterior deltoid.
Which abdominal muscles are antagonists to the erector spinae muscles?
For example, the rectus abdominis usually acts as an antagonist muscle to the erector spinae that acts as an agonist muscle during trunk expansion.
Are ABS agonists?
The abs are composed of four muscles. Moving from the surface inward, we have the rectus abdominis in the front and the external obliques on each side. … The erector spinae and abdominal muscles are an antagonist/agonist group, i.e. when one contracts the other stretches.
What is the largest muscle in the body?
The gluteus maximus is the largest muscle in the human body. It is large and powerful because it has the job of keeping the trunk of the body in an erect posture. It is the chief antigravity muscle that aids in walking up stairs.
What is the longest muscle in the human body?
The longest muscle in your body is the sartorius, a long thin muscle that runs down the length of the upper thigh, crossing the leg down to the inside of the knee.
How biceps and triceps work together?
For example, the biceps and triceps muscles work together to allow you to bend and straighten your elbow. … The biceps and triceps act against one another to bend and straighten the elbow joint. To bend the elbow, the biceps contracts and the triceps relaxes.
Are biceps flexors or extensors?
So, your biceps is described as a “flexor” muscle. In the illustration below, the image on the right shows the biceps flexing. The opposing muscle of a flexor is called the “extensor” muscle. Your triceps is an extensor.
What is an example of an antagonist muscle?
The most common example of antagonistic muscles are the biceps and the triceps. As the agonist muscle contracts, the antagonist relaxes, helping to manage and regulate the movement of the former.
What is antagonistic behavior?
The definition of antagonistic are actions that are purposefully malicious and unkind, or a person acting in such a way. An example of someone acting in an antagonistic way is someone who gives a co-worker dirty looks on a regular basis.
What are the traits of an antagonist?
Common traits of many traditional antagonists include:
- Driven by a goal or duty, or a desire to avoid something.
- Has a relatable character flaw.
- Loyal to cause, family, and allies.
- Adapts easily to obstacles and change.
- Has a secret or important information.
- Superior intelligence or strength.
What is a Pentagonist?
the leading character, hero, or heroine of a drama or other literary work. a proponent for or advocate of a political cause, social program, etc. the leader or principal person in a movement, cause, etc.