Muscle Anatomy
Skeletal muscle attachment that is a Cord-like structure
Tendon
What muscle must be stimulated by a nerve
Skeletal
What type of muscle does the most work?
Prime mover
Decreases angle of joint and brings 2 bones closer together
Flexion
Inflammation of muscle tissue (arthritis)
Myalgia
Muscles are responsible for what?
Body movement
Nerve releases A neurotransmitter called?
Acetylcholine
What 2 points of attachment for muscles?
Insertion and orgin
Increases angle of joint
Extension
Inherited muscle enlarge due to increased fat and connective tissue, but fibers degenerate and atrophy
Muscular Distrophy
What are the 3 basic muscle types?
Skeletal, cardiac, and smooth
What Ions exchange places causing the sarcoplasmic reticulum to release what?
Ca2
what muscles help a prime mover in movement
synergist
Moving away from the midline
Abduction
Lacking a protein to maintain the sacrolemma
Duchenn MD
Muscles maintain constant ___________
Body temperature
The release of Ca2 starts what?
Muscle contraction
Give me a example of antagonist that work opposite of one another.
Bicep and Triceps
Moving toward the midline
Adduction
Progressive weakness due to a shortage of acetylcholine receptors
Myasthemia Gravis
Muscles _________ internal organs and ___________ joints.
Protects, stabilize
What causes the muscle cell membrane gates to open
Neurotransmitter
Give me 2 examples of naming skeletal muscles
Direction, relative size, location, number of origins, location, shape and action
Movement of a bone in longitudinal axis, shaking your head ”no”
Rotation
Overstretching of a muscle near a joint
Strain