Exam 1 Flashcards
The ___________ flexes forearm at the elbow joint
Biceps Brachii Muscle
The ___________ is a group of muscles in the shoulder that allow a wide range of movement
rotator cuff
rotator cuff
is a group of muscles in the shoulder that allow a wide range of movement
The rotator cuff includes the following muscles:
S.I.T.S
Subscapularis
Infraspinatus
Teres minor
Supraspinatus
The prime mover of respiration
Diaphragm Muscle
The ____________is a complex network of specialized smooth endoplasmic reticulum that is important in transmitting the electrical impulse as well as in the storage of calcium ions
sarcoplasmic reticulum
sarcoplasmic reticulum is composed of
sarcoplasmic reticulum
The basic fundamental unit of the muscular system
Sarcomere
What are characteristics of smooth and cardiac muscles
Striations and involuntary control
Elasticity
The ability of muscle to return to its original length and shape after triggering a movement
What is the outer most layer of connective tissue surrounding the skeletal muscle
Epimysium
The area from one Cetus to the next CT scan is referred to as the
Sarcomere
________ is the neurotransmitter found at the neuromuscular junction
Acetylcholine
_____ means diamond shaped
Deltoid muscle
The muscle tendon that is attached to the stationary bone is commonly referred to as the ______
Muscle origin
Houses the brain and spinal cord
The central
Houses the brain and spinal cord
The central nervous system
__________ Opens and closes in response to physical distortion of the membrane surfaces such as vibration and pressure
Mechanically gated channel
What is used as an electrical signals over only short distances in the nervous system
Graded potentials
What muscles make up the hamstrings group
Bicep Femoris
Restus Femoris
Vastus lateralis
Semitendinosus
Semimembranosus
What are the 3 types of muscles
Skeletal
smooth
cardiac
Creatine phosphate
Is a source of energy for muscle contraction the provides about 15 seconds of energy
Concentric isotonic contraction is _____
Is shortening a muscle as it maintained extension
The hamstrings extend to wear
Hip and flex knee 
Which muscles are used to flex the knee
Semitendinosus
Semimembranosus
Bicep Femoris
