Anatomy 265 Quiz 2 Muscles

Various Muscle Information

100

4 characteristics of skeletal muscle

Excitability

Contactility

Extensibility

Elasticity

200

Name the 3 types of muscle and where located

skeletal - arms, legs

cardiac - heart

smooth - intestines

300

Name the order of muscle fibers from smallest to largest

muscle fiber

myofibrils

muscle

400

How to distinguish between skeletal muscle and cardiac and smooth muscle

Sk. multinucleated

Voluntary movement

Striated

Not branched

500

What are the 3 outside coverings contains in skeletal muscle from largest to smallest

Epimysium

Perimysium

Endomysium

Sliding Filament Theory

100

What are the 2 main proteins molecules involves in the contraction of the muscle

Actin and Myosin

200

What is the structural unit of skeletal muscle

Sarcomere

300

Which 2 proteins regulate the thick and thin filaments in the contaction process

Troponin and Tropomyosin

400

What molecule travels from the nerve into the muscle receptor to trigger the contraction

Acetylcholine

500

What minerals are involved in a muscle contraction

Calcium

Sodium

Potassium

Chlorine

Naming Muscles

100

Name a muscle due to location

Rectus abdominus

200

Name a muscle due to its shape

Trapezius

300

Name a muscle due to its number or origins, it attahment

Biceps brachii

400

Name a muscle with the type of motion in its name

Any with flexor, extensor, or adductor in the name - like Flexor Digitoris Longus

500

Name a muscle with size included in their name

Any with maximus, minimus, longus, brevis in their name

Axial Muscles

100

Name a muscle in the anterior compartment of the abdomen

Rectus abdominus

200

Name the 2 muscles on the posterior of the torso that are the most superficial

Trapezius

Latissimus dorsi

300

Name the muscle that lies beneath the breast in a female

Pectoralis major

400

Name the muscle that lies between ribs

Internal and External Intercostals

500

Name 4 muscles of the head

Zygomaticus

Frontalis

Obicularis Oculi

Masseter

Appendicular Muscles

100

Name the muscle that lies on the lateral aspect of the proximal leg that includes the femur bone

Tensor fascia late

200

List 4 musles of the shoulder and arm

Deltoid

Brachialis

Biceps brachii

Brachioradisalis

300

Longest muscle in the body

Sartorius

400

Muscle in the posterior compartment of the lower leg where the tibia and fibula are located

Gastrocnemius

500

Name muscles that have 2,3,and 4 head attachments and locations

Biceps brachii - anterior of proximal arm

Triceps brachii - posterior of proximal arm

Quadriceps femoris - anterior of proximal leg