76 terms

Anatomy 12-15

What is the action of the deltoid muscle
it abducts the arm, flexes, extends, medially and laterally rotates arm
Name the origin of the supraspinatus muscle
supraspinous fossa
What is the insertion of the pectoralis minor
Corocoid process of scapula
What is the origin of the levator scapulae
What is the insertion of the latissimus dorsi
intertubercular groove of humerus
Does the biceps brachii muscle originate or insert on the humerus
What is the origin of the trapezius
occipital protuberance, nuchal ligament spinous processes of C7-T12
The pectoralis major has what action
flexes, adducts and medially rotates arm
what is the insertion of the subscapularis
lesser tubercle of humerus
What is the action of the triceps brachii
extends and adducts arm, extends forearm
What is the origin of the brachialis
anterior distal surface of humerus
Name all the muscles that flex the arm
deltoid, pectoralis major, biceps brachii, coracobrachialis, brachialis, brachioradialis, pronator teres
Which muscles are antagonists of the triceps brachii
biceps brachii
What is the origin of the flexor carpi ulnaris
medial epicondyle of humerus and ulna
what is an antagonist to the supinator muscle
tricep extensor
Where does the flexor digitorum superficialis insert
middle phalanges of digits 3-5
What is the insertion of the extensor carpi ulnaris muscle
metacarpal 5
What is the action of the flexor carpi radialis muscles
flexes and abducts hand
What muscle extends both the hand and the phalanges
extensor digitorum
What muscles flex the hand
palmaris longus, flexor carpi radialis, flexor carpi ulnaris, flexor digitorum superficialis, flexor digitorum profundus, flexor pollicis longus
What muscles extend the thumb
abductor pollicis longus, extensor pollicis longus, and brevis
Where are the extensor carpi muscles located, on the anterior or posterior side of the forearm?
What is the action of the epitrochlearis
extends the forelimb
How does the deltoid of the cat differ from the deltoid of the human?
Human - 1 muscle
Cat - 3 muscles
Which muscle is more developed in cats, the flexor digitorum superficialis or the flexor digitorum profundus?
Flexor digitorum profundus
As you hit a nail with a hammer, what arm muscle are you using
triceps brachii
as you look up at the ceiling what back muscle are you using?
If you were to ride a horse, what muscles would you use to keep your seat out of the saddle as you rode?
Iliopsas, pectineus, sartorius, gracilis, adductor longus, brevis
How do the gluteus medius and gluteus minimus prevent you from toppling over as you walk?
They maintain your center of gravity
What is a muscle that is an antagonist to the biceps femoris muscle
guadriceps muscle
What are two muscles that are synergists with the biceps femoris muscle
semitendionsus and semimembranosus
What is the insertion of all the muscles of the quadriceps group
patellar ligament
How does the action of the rectus femoris differ from that of the other quadriceps muscles
it flexes the thigh
how many adductor muscles are there
List two muscles in this exercise that are responsible for thigh flexion
rector femoris, iliopsas
Where do the hamstring muscles orginates as a group
ischial tuberosity
What is the action of the vastus lateralis
extends the leg
Which muscle group is located on the anterior part of the thigh
quadriceps femoris group
Is abduction of the thigh movement away from or toward the midline?
Which muscle flexes the lumbar vertebrae as part of its action
What is the origin of the gastrocnemius
condyles of femur
What is the insertion of the tibialis anterior in humans
metatarsal 1 and cuneiform 1
How does the action of the fibularis longus in humans differ from that of the fibularis tertius
longus - plantar flexes
tertius - dorsiflexes
What is the action of the extensor hallucis longus
extends hallux, dorsiflexes foot, inverts foot
The calf is made up of what two major muscles
gastrocnemius, soleus
Plantar flexion occurs by what muscles
fibularis longus, fibularis brevis, gastrocnemius, soleus, tibialis posterior, flexor digitorum longus, flexor hallucis longus
What muscle extends the toes
extensor digitorum longus
name a muscle in this exercise that dorsiflexes the foot
extensor digitorum longus
Plantar flexion and eversion of the foot occur by what action of what muscle
fibularis longus and brevis
what is the insertion of the soleus
calcaneus by the calcaneal tendon
What is the insertion of the fibularis tertius muscle
dorsum of metacarpal 5
What is the insertion of the flexor digitorum longus
Digital phalanges of digits 2-5
What is the origin of the masseter muscle
zygomatic arch
What is the action of the risorius
abducts corner of mouth
what kind of muscle is the orbicularis oculi or orbicularis oris muscle in terms of action
What muscle originates on the temporal fossa
teporalis fossa
Name two muscles that close the jaw
masseter, temporalis
Where does the sternocleidomastoid muscle insert
mastoid process, superior nuchal line
What muscle closes the lips
orbicularis oris
Where does the orbicluaris oculi insert
skin of eyelid
What is the insertion of the temporalis
coronoid process, mandibular ramus
name a muscle that closes the eye
orbicularis oculi
what is the action of the sternocleidomastoid
one - rotates and extends the neck
both - flex neck
What muscle is a synergist with the masseter
What is the action of the serratu anterior muscle
abducts scapula
Name four muscles that extend the vertebral column
spinalis longissimus iliocastalis
How does the serratus anterior function as an antagonist to the rhomboideus muscles
How does the action of the rectus abdominis differ from that of the other abdominal muscles
flexes vertebral column
Extension and rotation of the vertebral column occur by what group of muscles
erector spinae
what is the action of the intercostal muscles
What muscle inserts on the central tendon
the tendinous intersections are found in what muscle
rectus abdominus
which is the deepest abdominal muscle
transversus abdominis
what is the action of the quadratus lumborum
laterally flexes vertebral column
What two muscles originate on the neck and extend and rotate the head
semispinalis, spinalis longissimus iliocostalis
How do the abdominal muscles in the cat compare with those in the human in terms of relative position
it is superficial on the ventral abdomen