Muscles Flashcards
The fleshy portion of a muscle.
Belly
Part of a muscle name referring to fibers parallel to midline.
Rectus
The end of a muscle attached to the stationary bone.
Origin
Part of a muscle name referring to the smallest set of a muscles.
Minimus/ Minor
A muscle that stabilizes the origin of a prime mover.
Fixator
The biceps brachii and the triceps brachii muscles function as?
Antagonists
Muscle that helps the prime mover function more efficiently.
Synergist
Part of a muscle name referring to a two-headed origin
Biceps
Part of a muscle name referring to a muscle with a circular shape.
Orbicularis
Muscles generally move the bone they lie _____ to.
Proximal
In order to move a bone, a muscle must have its ______ on that bone
Insertion
Part of a muscle name referring to the fibers perpendicular to the midline.
Transverse
Muscles of the back (posterior trunk) function to do what action to the head, trunk, and upper arm?
Extend
A muscle that produces an effect opposite of the prime mover.
Antagonist
Part of a muscle name referring to the largest set of muscles.
Maximus
The end of a muscle attached to the movable bone.
Insertion
Part of a muscle name referring to a muscle with a triangular shape.
Deltoid
Part of a muscle name referring to a three headed origin
Triceps
Most movements occur due to the contraction of a _______ of muscles.
Group
The hamstring muscles function to do what action to the lower leg?
Flex
What muscle allows you to smile.
Zygomaticus major
Rotates the vertebral column to twist us sideways.
Obliques
Flexes and rotates the head.
Sternocleidomastiod
Used in crossing our legs–flexes the leg at the knee joint and abducts and laterally rotates the thigh at the hip joint.
Satorius
Together with the adductor group, addicts the thigh at the hip joint.
Gracilis
Closes the eyelids
Orbicularis oculi
Extends the arm when the posterior portion contracts,abducts the arm when the lateral portion contracts, and flexes the arm when the anterior portion contracts.
Deltoid
Abducts, flexes, or extends the arm at the shoulder joint.
Deltoid
Muscle on the THUMB side that flexes the hand.
Extensor Carpi Radialis
Group that flexes the lower leg and extends the thigh.
Hamstrings
Arm muscle that flexes arm and forearm.
Biceps brachii
Works with the soleus to plantar flex the foot
Gastrocnemius
Group that extends the leg at the knee joint.
Quadriceps femoris
Well developed swimming muscle used to extend, adduct, or rotate the arm
Latissimus dorsi
Extends the phalange
Extensor digitorum
Boxers use this muscle to move the scapula laterally and forward
Serratus anterior
Main muscle that closes the jaw
Masseter
The only quadriceps muscle that flexes the thigh and extends the leg
Rectus femoris
Puckers the lips
Orbicularis Otis
Posterior arm muscle that extends the arm at the shoulder
Triceps brachii
Wrinkles the skin of the forehead
Occipital frontalis
Elevates the clavicle, depresses or elevates the scapula, or extends the head
Trapezius
Flexes and abducts the thigh at the hip joint
Tensor fascale latae
Elevates and retracts the mandible
Temporalis
Extensor digitorum extends to _____in the phalanges
Tendon
