Various Muscle Information
4 characteristics of skeletal muscle
Excitability
Contactility
Extensibility
Elasticity
What are the 2 main proteins molecules involves in the contraction of the muscle
Actin and Myosin
Name a muscle due to location
Rectus abdominus
Name a muscle in the anterior compartment of the abdomen
Rectus abdominus
Name the muscle that lies on the lateral aspect of the proximal leg that includes the femur bone
Tensor fascia late
Name the 3 types of muscle and where located
skeletal - arms, legs
cardiac - heart
smooth - intestines
What is the structural unit of skeletal muscle
Sarcomere
Name a muscle due to its shape
Trapezius
Name the 2 muscles on the posterior of the torso that are the most superficial
Trapezius
Latissimus dorsi
List 4 musles of the shoulder and arm
Deltoid
Brachialis
Biceps brachii
Brachioradisalis
Name the order of muscle fibers from smallest to largest
muscle fiber
myofibrils
muscle
Which 2 proteins regulate the thick and thin filaments in the contaction process
Troponin and Tropomyosin
Name a muscle due to its number or origins, it attahment
Biceps brachii
Name the muscle that lies beneath the breast in a female
Pectoralis major
Longest muscle in the body
Sartorius
How to distinguish between skeletal muscle and cardiac and smooth muscle
Sk. multinucleated
Voluntary movement
Striated
Not branched
What molecule travels from the nerve into the muscle receptor to trigger the contraction
Acetylcholine
Name a muscle with the type of motion in its name
Any with flexor, extensor, or adductor in the name - like Flexor Digitoris Longus
Name the muscle that lies between ribs
Internal and External Intercostals
Muscle in the posterior compartment of the lower leg where the tibia and fibula are located
Gastrocnemius
What are the 3 outside coverings contains in skeletal muscle from largest to smallest
Epimysium
Perimysium
Endomysium
What minerals are involved in a muscle contraction
Calcium
Sodium
Potassium
Chlorine
Name a muscle with size included in their name
Any with maximus, minimus, longus, brevis in their name
Name 4 muscles of the head
Zygomaticus
Frontalis
Obicularis Oculi
Masseter
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