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What is the action of the deltoid muscle
it abducts the arm, flexes, extends, medially and laterally rotates arm
What is the origin of the trapezius
occipital protuberance, nuchal ligament spinous processes of C7-T12
Name all the muscles that flex the arm
deltoid, pectoralis major, biceps brachii, coracobrachialis, brachialis, brachioradialis, pronator teres
What muscles flex the hand
palmaris longus, flexor carpi radialis, flexor carpi ulnaris, flexor digitorum superficialis, flexor digitorum profundus, flexor pollicis longus
Where are the extensor carpi muscles located, on the anterior or posterior side of the forearm?
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
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 are two muscles that are synergists with the biceps femoris muscle
semitendionsus and semimembranosus
How does the action of the rectus femoris differ from that of the other quadriceps muscles
it flexes the thigh
How does the action of the fibularis longus in humans differ from that of the fibularis tertius
longus - plantar flexes
tertius - dorsiflexes
Plantar flexion occurs by what muscles
fibularis longus, fibularis brevis, gastrocnemius, soleus, tibialis posterior, flexor digitorum longus, flexor hallucis longus
Plantar flexion and eversion of the foot occur by what action of what muscle
fibularis longus and brevis
what kind of muscle is the orbicularis oculi or orbicularis oris muscle in terms of action
How does the action of the rectus abdominis differ from that of the other abdominal muscles
flexes vertebral column
What two muscles originate on the neck and extend and rotate the head
semispinalis, spinalis longissimus iliocostalis
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