Anatomy
The three types of muscle tissue
what is cardiac, skeletal, and smooth?
The full name of ACh is
What is acetylcholine?
When a muscle contracts, the ____ moves towards the _______
What is insertion moves towards the origin?
The 4 muscle functions
What is producing movement, maintaining posture, generating heat, and moving substances
The definition of muscle tear
What is tearing (part or all) of muscle fibers and attached tendons?
This muscle type has strong, non-rhythmic contractions
What is skeletal muscle?
The binding of ACh to receivers on the sarcolemma causes
What is movement of Na+ and K+ which results in action potential?
The __________ muscle produces a specific movement while the _________ produces the opposite effect
What is agonist and antagonist?
The three types of movement produced by the 'producing movement' function of muscles
What is facial expressions, locomotion, and manipulation?
The name and causes of a sudden involuntary contraction of one or more muscles
What is muscle cramp and
1-muscle overuse
2-dehydration
3-muscle strain
4-holding one position for too long?
Skeletal muscle fibers are bundled together into
What is fascicles?
Action potential causes this to be released into cytoplasm from this
What is calcium ions from the sarcoplasmic reticulum?
The name of muscles that help stabilize a movement
What is synergists?
What is generating heat?
The cause of paralysis
What is nerve supply to a muscle being destroyed?
The name for connective tissue membrane surrounding fascicles
What is perimysium?
When calcium ions bind to this, they allow myosin to bind to this
What is troponin, actin
(when calcium ions bind to troponin, they allow myosin to bind to actin
The name of muscles that stabilize the origin of prime mover muscles
What is fixators?
The two special properties of muscles and their definitions
What is irritability-ability to receive and respond to a stimulus- and contractility- ability to shorten
The age at which skeletal muscle control is at its peak
What is mid-adolescence?
What tendons are made from
What is blended-together epimysia at ends of muscles?
This prevents ACh from continuously sending signals
What is acetylcholinesterase?
An example of agonist/antagonist action
What is.....
Bicep (agonist) tricep (antagonist)
Hamstrings (agonist) quads (antagonist)
True or false- muscles can only pull; they never push
TRUE
Muscles can only pull and cannot push. Therefore muscles have to work in pairs to move a joint. One muscle will contract and pull a joint one way and another muscle will contract and pull it the other.
The most common type of muscular dystrophy
What is Duchenne muscular dystrophy?