Muscular System Trivia

1. Where on the human body can you find a deltoid muscle?

From Quiz I Want Muscles

Answer: In your shoulder

The deltoid creates the curved, circular shape of your shoulder; there are two, one for each shoulder. The name deltoid was developed from the fourth letter of the Greek alphabet, Delta, which is triangle shaped. When viewing the full deltoid muscle, it does resemble a triangle. Deltoid muscles, as you would expect, are the primary muscle for shoulder movement.

From Quiz The Muscular System

Answer: Involuntary Muscles

Involuntary muscles are muscles that work on their own, such as your heart and the muscles in your organs. Their actions are controlled by the brain sending nerve messages. Involuntary muscles carry out a lot of the bodily functions.

From Quiz Help! My Lateral Epicondyle is Inflamed

Answer: Guitar player

Tennis elbow is a fairly common condition. It becomes noticeable as a pain on the outside of the elbow and generally comes about through repetitive use or overuse of that part of the body or from adopting poor techniques with the action being worked. As we noted in the question, despite its common title this injury is not restricted to tennis players or, for that matter, those involved in some form of racquet sport. It is also prevalent in swimmers, musicians (and the worst here are our guitar players with their strumming motion) and manual workers. You may also hear the condition being referred to as archer's elbow or shooter's elbow. Thanks to tazman6619 for this question.

From Quiz What Makes You Twitch?

Answer: Active zones

The type of neurotransmitter released can vary, some acting as excitatory signals and some acting as inhibitory signals. Acetylcholine is a ubiquitous neurotransmitter at the neuromuscular junction. With skeletal muscle, acetylcholine has an excitatory effect.

From Quiz More Muscles

Answer: mouse

One explaination is that when you flex a muscle, it looks like a mouse moving under the skin.

From Quiz Eat Up! - Muscles of Mastication

Answer: V (trigeminal)

While most of the other facial muscles are supplied by the facial nerve (VII), the four muscles of mastication are supplied by the trigeminal nerve (V), in particular by the mandibular branch of the trigeminal (V3). This branch is the final branch of the trigeminal, and is the largest branch. As well as the muscles of mastication, this branch supplies other structures in the lower face, including the teeth and the inside wall of the cheek.

From Quiz Muscles Are Our Movers And Shakers

Answer: Testosterone

Testosterone affects both males and females. It encourages the body to make more protein and to grow.It comes from the testes in men and the adrenal glands in women.

From Quiz Lower Limb Anatomy

Answer: Femur

The femur, or thigh bone, forms part of both the hip and knees joints. The head of the femur forms the ball of the ball and socket joint of the hip and the distal condyles of the femur articulate with the tibia to form the knee joint.

From Quiz Upper Limb Anatomy

Answer: scapula

The scapula is more commonly known as the shoulder blade and has many important bony features from which muscles arise.

From Quiz Mind Over Muscle

Answer: Upper back

The teres minor rotates the arm and brings the arm towards the body.

From Quiz Muscles in the Human Body

Answer: Articularis Genu

Articularis genu is a small muscle that retracts the suprapatellar bursa as the knee extends, it is supplied by the posterior division of the femoral nerve.

From Quiz Advanced Muscle Mania

Answer: Rhomboid Major

Action of this muscle is to retract and elevate the scapula.

From Quiz I Want Muscles

Answer: In the thigh

The vastus lateralis is one of the four muscles that make up the quadriceps muscles. They represent the outside of the thigh muscles. So if you have your arms at your sides standing up, your hands are along your vastus lateralii.

From Quiz Help! My Lateral Epicondyle is Inflamed

Answer: Tendon

The pain of tennis elbow occurs at the common extensor tendon that starts at the lateral epicondyle. In this situation, a person has overused the lateral extension of the elbow and will feel acute pain when the arm is fully extended. The lateral epicondyle is a small, tuberculated eminence, which is a curved piece of bone that allows for the attachment of this tendon and a ligament of the elbow joint. A tendon connects muscle to bone while a ligament connects bone to bone. Thanks to TAKROM for this question.

From Quiz Muscles Are Our Movers And Shakers

Answer: Tendons

Tendons are made up of a lot of fibers. They are very stretchy and look like cords. The fibers run in the same direction, which makes them very strong.

From Quiz Lower Limb Anatomy

Answer: Quadriceps

The quadriceps consist of four muscles located on the front of the thigh. They are vastus lateralis, vastus medialus, vastus intermedius and rectus femoris. The primary function of the quadriceps is to extend the leg.

From Quiz Upper Limb Anatomy

Answer: Pectoralis minor

When the pectoralis minor contracts, it draws the coracoid process of the scapula downwards and therefore depresses the shoulder. It can also aid in the process of respiration by raising the rib cage.

From Quiz Muscles in the Human Body

Answer: Gluteus Medius

It abducts and medially rotates the hip, used to tilt the pelvis during walking. Supplied by the superior gluteal nerve.

From Quiz Advanced Muscle Mania

Answer: Teres Minor

Action of this muscle is to laterally rotate the humerus at the shoulder and to stabilize the head of the humerus.

From Quiz I Want Muscles

Answer: In the neck

The sternohyoid muscles are what connect the sternum (breastbone) to your hyoid bone (sometimes called the tongue-bone). The muscle anchors the hyoid in place as the bone is not connected directly to any other bone.

From Quiz The Muscular System

Answer: Tendon

Tendon, also known as sinew, is stringy tissue that connects a bone to a muscle. Bones and tendons work together to help movement. The thickest tendon in your body is your Achilles' tendon which is located above your heel.

From Quiz What Makes You Twitch?

Answer: Ion channels

More specifically, these structures are ligand-gated ion channels, since their opening is dependent upon the attachment of two or more neurotransmitter molecules. For more information about plasma membrane proteins, please take my quiz, "How a Cell Communicates".

From Quiz Muscles in the Human Body

Answer: Longus Capitis

Longus capitis flexes the cervical spine and the atlanto-occipital joint. It is supplied by the anterior primary rami of C1 to C3.

From Quiz Advanced Muscle Mania

Answer: Brachialis

Action of this muscle is to flex the forearm at the elbow.

From Quiz I Want Muscles

Answer: In the foot

The extensor digitorum brevis muscles run along the top of your feet. They are directly in association with the tendons in your feet. This muscle works primarily with the middle three toes in each of your feet.

From Quiz The Muscular System

Answer: 600

There are approximately 640 muscles in your body. Most of the muscles in your body work in pairs. There are about 300 pairs of muscles in your body.

From Quiz Muscle Tussle

Answer: Auriculares

Th auriculares muscles include the auricularis anterior, which can pull the ear up and forwards, the auricularis superior that raises the ears, and the auricularis posterior which has the capacity to pull the ear backwards. Ear wiggling is a vestigial trait which means it once played an important purpose but, through evolution, has become functionless in humans. Research suggests that somewhere between 10% and 20% of the population can wiggle their ears.

From Quiz What Makes You Twitch?

Answer: Positive feedback

The entry of Na+ ions via ligand-gated ion channels causes a small depolarization, which activates (and opens) voltage-gated ion channels. These channels are much more widespread and so lead to a large influx of sodium ions and, therefore, an action potential. Positive feedback is also seen in blood clotting - effects brought about by platelet aggregation initially act to encourage further aggregation.

From Quiz More Muscles

Answer: gluteus maximus

The gluteus maximus is located in your buttocks.

From Quiz Eat Up! - Muscles of Mastication

Answer: Sphenoid

The sphenoid bone sits at the base of the skull, and is shaped rather like a butterfly (it has greater and lesser wings). There is a pterygoid process on each side, each containing a lateral and medial pterygoid plate (four plates in total). This is where the pterygoid muscles arise. As well as being the origin of these muscles, the sphenoid bone also forms part of the orbit (eye socket).

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Last Updated Dec 21 2024 5:46 AM

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