Muscle Terms
Muscle Types
Muscle Contraction
Specific Muscles
Muscle Organization
100
What does "Hallucis" mean?
"Great or Big Toe"
100
The Orbicularis oris is an example of a ____ muscle.
Sphincter
100
The element that is important for muscle contraction is:
Calcium
100
What muscle is always in slight contracture?
Gluteus maximus
100
The smallest unit of a muscle is the _____.
Myofibril
200
A muscle that means "like a tailor" and relates to tailors sewing is the ?
Sartorius
200
An example of a convergent muscle would be the ___ ___.
Pectoralis major
200
The region where the nerve synapse meets the muscle fiber is the _________ _________.
Neuromuscular junction
200
What are the 3 muscles in the hamstring group?
Biceps femoris, Semitendinosus, Semimembranosus
200
The perimysium surrounds the _____ _____.
Musle fascicle
300
An example of the "widest" muscle would be the?
Latissimus Dorsi
300
An example of a parallel muscle would be the ___ ____.
Biceps brachii
300
The joining of the myosin heads to the actin active sites is a process called ______ ________ _______.
Cross bridge attachment
300
What are the 4 muscles in the Quadriceps group?
Sartorius, Rectus femoris, Vastus lateralis, Vastus medialis
300
The muscle body is surrounded by a connective tissue layer called the _____.
Epimysium
400
Name 2 specific muscles whose first word means "straight, parallel".
Rectus abdominis and Rectus femoris
400
Another example of a sphincter muscle located on the face would be the ______ _______.
Orbicularis oculi
400
What are 3 chemicals needed in order for contraction to take place? Which appears first, second, and then third?
Acetylcholine, Calcium, ATP
400
What are the 3 flexors of the superficial lower arm?
Flexor carpi radialis, Palmaris longus, Flexor carpi ulnaris
400
The myofibril consists of two proteins needed for muscle contraction. These are called ______ and ______.
Actin and myosin
500
Movement away from the midline is ___ and movement toward the midline is ____.
Abduction and Adduction
500
Give an example of each of the following types: Unipennate, Bipennate, and Multipennate.
Extensors of the hand Dorsal interosseus, Rectus femoris Deltoid
500
Describe, in order, the stages of muscle contraction...explain what each step is called and what's going on.
Active site exposure, Cross bridge attachment, Pivoting, Myosin Activation, 2nd Cross bridge attachment
500
What are the 5 extensors of the lower arm?
Extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris, extensor digitorum, extensor digiti minimi
500
List, from largest to smallest, the organization of a muscle.
Muscle body, Muscle fascicle, Muscle fiber, Myofibril (Actin and Myosin)
M
e
n
u