Muscle Basics
What connects muscle to bone?
Tendons
Which muscle raises your eyebrows and wrinkles your forehead?
Frontalis (part of occipitofrontalis)
What is the large fan-shaped muscle on the chest called?
Pectoralis major
What muscle flexes the forearm at the elbow and assists with supination?
Biceps brachii
What muscle group makes up the front of the thigh and extends the knee?
Quadriceps femoris group
What connects bone to bone?
Ligaments
What muscle allows you to close your eyes tightly?
Orbicularis oculi
Which muscle covers the shoulder and gives it its rounded shape?
Deltoid
Which muscle extends the forearm at the elbow?
Triceps brachii
What muscle forms the bulk of the calf and plantarflexes the foot?
Gastrocnemius
What is the more stationary attachment point of a muscle called?
Origin
What is the “kissing muscle”?
Orbicularis oris
Which muscle runs vertically along the abdomen and is known as the “six-pack”?
Rectus abdominis
Which large back muscle is important for swimming and climbing?
Latissimus dorsi
What muscle is the longest in the body and allows you to cross your legs?
Sartorius
What is the more moveable attachment point called?
Insertion
Which muscle(s) helps you smile?
Zygomaticus major/minor
What fibrous band runs down the middle of the abdomen and connects both rectus muscles?
Linea alba
Name the four muscles that make up the rotator cuff.
Supraspinatus, Infraspinatus, Teres minor, Subscapularis
Which deep calf muscle works with the gastrocnemius to plantarflex the foot?
Soleus
In the limbs, where are origins and insertions typically located (proximal/distal)?
Origins are proximal, insertions distal
Which paired neck muscle flexes the head and rotates it to the opposite side?
Sternocleidomastoid
Which abdominal muscle has horizontally running fibers and compresses abdominal contents?
Transversus abdominis
What muscle flexes and abducts the wrist on the thumb side?
Flexor carpi radialis
Which two muscles on the lateral side of the leg evert the foot?
Peroneus (Fibularis) longus and brevis