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254 Cards in this Set

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What does vector F stand for?
the sum of all the forces
NAME
this represents the sum of all forces
vector F
What are the (3) laws of motion?
(1)vector F= o w constant v
(2)vector F= m(vector a)
(3)1= object A
2= object B

vector F = - vector F
12 12
What is the first law of motion?
vector F = 0
NAME LAW OF MOTION
vector F= 0
the first law of motion
the first law of motion is called the (1)
the law of interia
The (1)of motion can also be called the law of interia
the first law
NAME LAW OF MOTION
1= object A
2= object B

vector F = - vector F
12 12
the third law of motion
What is the third law of motion?
1= object A
2= object B

vector F = - vector F
12 12
The third law of motion can also be called the (1)
law of action/reaction
the (1) can also be called the law of action/ reaction
the third law of motion
What is the second law of motion?
vector F= m(vector a)
NAME LAW OF MOTION
vector F= m(vector a)
the second law of motion
The second law of motion is also called the (1)
the equation of motion
(1)is also called the equation of motion
the second law of motion
if 2 objects interact w each other and have opposite forces then (1)
they have the same magnitude
If two object are w each and have the (1)forces then they have the same maginitude
opposite forces
What are some forces that can interact on a object?
(1)normal force (2)friction (3)tension
NAME
these are some forces that act on objects
normal force, friction, and tension
If you put a cup on the table, what are (2)forces that are acting on it?
(1)normal force (2)friction
What is the normal force?
refers to the perpendicular force that acts on objects
NAME
this refers to the perpendicular force that acts on objects
normal force
If u slide a cup across a table, what force is acting on it?
friction
If you push on a wall, what force is acting on u?
the normal force
Using graph 1,
Pretend that vector Fa and vector Fb are two objects interacting in opposite directions, what can u conclude?
that they have equal mangintudes
What does the law of gravity say?
that 2 paricles are attracted to each other and the further they are from each other, the weaker the force is
NAME
this says that 2 particles are attracted to each other and the further they are from each other, the weaker the force is
the law of gravity
the (1) is circling around the earth
moon
The moon is circling around the (1)
earth
T or F
the earth circles around the moon
false
T or F
if there was no atmosphere, and the earth was a perfect circle and you threw a ball fast enough at 5 m/s then it would circle around the earth
true
What would happen if you threw a ball at a speed of 5 m/s and their was no atomsphere and the earth was a perfect circle?
the ball would circle the earth at a constant speed
T or F
the earth is has almost a spherical shape and internally symmetric
true
The earth is almost has a spherical shape but is (1)
internally symmetric
Tendons always have (1)acting on them
tension force
Explain what all the symbols mean?

Fg=m(GM)/r^2
m= mass of particle
G= gravity
M=mass of the earth
r= radius
a book is resting on a table, what are the forces acting on it? (2)
(1)gravity (2)perpendicular forces
What does vector Fg stand for?
the Force of gravity
In a gravity problem
What does M stand for?
the mass of the earth?
Draw a pic of what forces are acting on a book resting on a table and (2) what can you conclude using the first law of motion based on the picture
See graph 2, (2)vector Fg + Vector Fm = 0
Draw a pic of what forces are acting on a book. (3)using the laws of motion (1-3) what conclusions can u make?
See graph 2 (2)vector Fn =vector Fg based on the first law of motion (3)Vector Fn'=-vector Fn therfore, Vector Fn' = Fg based on the third law of motion
What does the vector Fn stand for?
refers to the normal force acting on a object
What does vector Fg stand for?
refers to the vector Force of gravity
vector Fg'=
vector Fn
vector Fn= (1)
vector Fg'
vector Fn'= (1)
vector Fg
vector Fg=(1)
vector Fn'
When an elevator starts to go up the a (1)
increases
When an elevator (1)the a increases
starts to go up
When an elevator starts to approch the floor it is going to stop on a (1)
decreases
When an elevator (1) a decreases
starts to approach the floor it is going to stop on
Draw a pic of the forces acting on a person standingo on a scale on a elevetor?
see graph 3
If a person is standing on scale in a elevator, when will the scale read the person's true wieght?
when the a=0 and the elevator is not moving (mg)
If a person is standing on a scale in a elevator, when will the scale read 0 and the person feel weightlessness??
when gravity is negative
Draw a chart telling of how ay and Fn' will change as a person standing on a scale rides a elevator?
see graph 4
Draw a pic of the forces acting on a pully?
See graph 5
What happens when you pull on a string?
the force is transmitted to the other side and tension exisits throughout the string
When you (1)on a string the force is transmitted to the other side and tension exisited throughout the string
pull
Pretend Graph 6, is a pully holding a object.

(1)Where would T be the strongest? (2)Why?
(1)at A or the top of the pullly (2)bc the pully has to support the weight of the box
Draw a pic of showing how the T
see graph 10
Pretend Graph 6, is a pully holding a object,

(1)where would T be the lowest?
C
Draw a pic of truck who is accerlating and has a object hanging from a string of the roof of the inside of the truck

(be sure to tell how to find the a)
see graph 7
String can only do one thing, what is it?
pull
T or F
you only pull a string
true
When is the only time (2) forces can add up to zero?
if they have oppostie directions and the same magntidue
Two forces can (1)only if the two forces have opposite directions and the same maginitude
add up to zero
Two forces can add up to zero only if (1)
the forces have opposite directions and the same magintude
What can act as a simple accerometer?
a object hanging from a string on the roof of a vechile
What does Fa stand for?
refers to applied force
NAME
this stands for applied force
Fa
What does F21 stand for?
the force exerted by object 2 by object 1
What does F12 stand for?
the force exerted by object 1 by object 2
Draw a pic of the forces acting on two blocks (one is heavier than the other) if u are pushing them
See graph 11
Draw a pic of the forces acting on three blocks (block 1>block 2?block 3)if u are pushing on them
see graph 12
Draw a pic of the forces acting on three blocks that are being pulled
see graph 13
What does F stand for?
net force
What is the F?
is the net force or the sum of all the forces
What does Fa stand for ?
the applied force
Do the wheels on the back of the train have friction?
no
Draw a pic of the forces acting on a train as it accerlerates
see graph 14
Draw a pic of the forces acting on three object someone is lifting from a string
see graph 15
T or F
if the friction is not big enough you dont notice it
true
What are the (2)types of friction?
(1)static friction (2)kinetic friction
NAME
there are two types of this: static and kinetic
friction
What is static friction?
prevents sliding
NAME
this prevent sliding
static friction
if you apply a force (1)the object will move
higher than F max
s
If you apply a force higher than the F max the object will (1)
s
move
Draw a pic of the forces acting on sliding a book across a table
see graph 16
What does u stand for physics?
the is the greek letter for the static cofeccient
What does Fn stand for?
the normal force
What does Fn stand for?
the normal force
What is the kinetic friction?
opposes sliding
NAME
this opposes sliding
kinetic friction
What does Fk stand for?
force of kinetic friction
What does Fk stand for?
kinetic friction
NAME
this stand for kinetic friction
Fk
What does Fs stand for?
static friction
What does Fs stand for?
static friction
NAME
this stands for static friction
Fs
What does Fn stand for?
normal force
is it is harder to start (1)something then to slide it at a constant v
sliding
it is harder to start slidings something than (1)
sliding the object at a constant v
Draw the forces acting on a object in the pick up of a truck
See graph 17
What is the scaupla shaped like?
a triangule
What is the subscapular fassia?
is a depression that has the subscapular muscle write above it
nAME
this is a depression that has the subscapular muscle write abve it
subscapular fossa
What are the (4)muscles of the rotator cuff and tell which ones are posterior and anterior?
SITS

S=supraspinatus muscle (anterior)
I=infraspinatus (anterior)
T=Teres minor (anterior)
S=subscaplaris (posterior)
What are the (4)muscles of the rotator cuff and tell which ones are posterior and anterior?
SITS

S=supraspinatus muscle (Anterior)
I=infraspinatus (anterior)
T=Teres minor (anterior)
S=subscaplaris (posterior)
What are the (4)muscles of the rotator cuff and tell which ones are posterior and anterior?
SITS

S=supraspinatus muscle
I=infraspinatus
T=Teres minor
S=subscaplaris

Supraspinatus, infraspinatus, and teres minor are anterior

and
subscaplaris are posterior
WHat is the glenoid cavity?
aritculation site of the head of the humerus w the scapula
NAME
this is where the head of the humerus articulates w the scapula
glenoid cavity
What is acomion?
tip of shoulder
What does "supra" mean?
on top
NAME
this is latin for on top
supra
What does is the supraspinos fossa?
"supra" is latin for on top of ...thereofore, this is a depression above the spine of the scapula
NAME
this is a depression above the spine of the scapula
supraspinous fossa
What does fossa usally refer to?
a depression
NAME
this usally refers to a depression
fossa
WHat is the infraspinous fossa?
i is for inferior, therefore, infraspinous fossa is the depression inferior to the spine of the scapula
NAME
this is the depression inferior to the spine of the scapula
infraspinous fossa
Where are the rotator cuffs located ? (meaning which bone and where)
add later
What are the different functions of the rotator cuff muscles and the Teres major? (4)
SITS
S=supraspinatus
I=infraspinatus
T=teres minor
S=Subscapalaris
(1)infraspinatus muscle laterally rotates the arm and helps to hold the humerual head in the glenoid cavity of the scapula (2)subscaplaris and tere major medially rotates and adducts the arm. however, the subscapularis also holds the humeral head in the glenoid cavity (3)the infraspinatus and the teres minor laterally roatate the arm, and help to hold the humeral head in the glenoid cavity of the scapula (4)Spuraspinatus--adduction of the arm and rotator cuff muscles
What are the different functions of the rotator cuff muscles and the Teres major? (4)
SITS
S=supraspinatus
I=infraspinatus
T=teres minor
S=Subscapalaris
(1)supraspinous iniates and assists the deltoid in abudction of the arm and acts the rotator cuff (2)subscaplaris and tere major medially rotates and adducts the arm. however, the subscapularis also holds the humeral head in the glenoid cavity (3)the infraspinatus and the teres minor laterally roatate the arm, and help to hold the humeral head in the glenoid cavity of the scapula
What are the different functions of the rotator cuff muscles and the Teres major? (3)
SITS
S=supraspinatus
I=infraspinatus
T=teres minor
S=Subscapalaris
(1)supraspinous - iniates and assists deltoid in abduction of the arm and act as rotator cuff (2)subscaplaris and tere major medially rotates and adducts the arm. however, the subscapularis also holds the humeral head in the glenoid cavity (3)the infraspinatus and the teres minor laterally roatate the arm, and help to hold the humeral head in the glenoid cavity of the scapula
What are the main actions of the supraspinatus muscle?
(1)assists the deltoid in the abduction of the arm and acts w the rotator cuffs
NAME
this muscles assists the deltoid in the abduction of the arm and acts w the rotator cuff
supraspinatus muscle
What are the functions of the infraspinatus muscle?
(1)laterally rotate the arm (2)help hold the humeral head in the glenoid cavity of the scapula
NAME
these (2)muscles help to laterally rotate the arm and help hold the humeral head in the glenoid cavity of the scapula
infraspinatus muscle (2)Teres minor
What are the functions of the teres minor muscle? (2)
(1)laterally rotate the arm (2)helps to hold the humeral head in the glenoid cavity of the scapula
What are the functions of the teres major muscle? (2)
(1)adducts (2)and medially rotates the arm
NAME
this muscle adducts and medially rotates the arm
teres major
What are the functions of the subscapularis?
(1)adducts (2)and medially rotates the arm (3)helps to hold the humeral head in the glenoid cavity
NAME
this muslce adducts and medially rotates the arm and helps to hold the humerual head in the glendoid cavity
subscapularis
NAME (2)
these muscles share a 2 common functions: they both adduct and medially rotate the arm
(1)teres major (2)subscapularis
What is the only bone in the arm?
the humerus
NAME
this is the only bone in the arm
the humerus
What are the (2) posterior superfical extrinsic shoulder muscles?
(1)trapezius (2)Latissimus dorsi
NAME
this layer of shoulder muscles consists of the trapezius and the latissimus dorsi
posterior superficial extrinsic shoudler muscles
Draw a diagram of the different posterior shoulder muscles
See notes
Draw a diagram of the different posterior shoulder muscles
See notes
Draw a diagram of the different posterior shoulder muscles
see notes
What are the (2)heads of the scapula?
(1)surgical neck (2)head
WHere do most fractures of the scapula occur?
at the surgical neck
Most fracatures of the (1)occur at the surgical neck
scapula
Most fractures of the scapula occur at the (1)
surgial neck
What is the deltoid tuberosity>
is the site of attchment for the deltoid muscle
NAMe
this is the site of the attachment for the deltoid muscle
deltoid tuberosity
What are the different epicondyle?
(1)lateral and (2)medial
What are the medial epicondyle?
is the common orgin of the flexors of the forearm muscles
nAME
this is a common orgin of the flexors of the forearm muscles
medial epicondyle
What are the lateral epicondyle?
is a common orgin site of the extensor muscles of the forearm
NAME
this is a common orgin site of the extensor muscles of the forearm
lateral epicondyles
What is the differ btwn the lateral epicondyle and the medial epicondyle? (2)
(1)medial epicondyle-is a common site of orgin for the flexors of the forearm (2)lateral epicondyle-is a common orgin site of the extensor of the muscles of the forearm
What is the Olecranon fossa?
is a big depression on the posterior side of the humerus
NAME
this is a big depression on the posterior side of the humerus
Olecranon fossa
IF you palpate the elbow joint can feel the (1)
Olecrannon fossa
If you palpate the (1)you can feel the Olecrannon fossa
elbow joint
What does interofossa mean?
means btwn the bones
NAME
this is latin for btwn the bones
interofossa
NAME
this is a memebrane located btwn 2 bones
interofossa membrane
What is the interofossa membrane?
is a membrane located btwn 2 bones
WHat is the sytolid process?
is where people think the wrist bones are
NAME
this is where people think the wrist bones are
sytolid process
T or F
the wrist bones are where people actually think they are
false
Where are the wrist bones located? point to them on yourself
above the sytolid process
WHat is the radial nerve?
supplies the posterior sides of the arm and forearm
NAME
this nerve supplies the posterior arm and forarm
radial nerve
What is the muscular cutenous nerve?
suplies the anterior arm
NAME
this nerve supplies the anterior arm
muscular cutenus nerve
WHat nerve supplies the posterior arm?
radial nerve
What nerve supplies the posterior forearm?
radial nerve
What nerve supplies the anterior upper arm?
muscular cutenous nerve
What does nerves supply the forearm? (2)
(1)mostly the median nerve but also the (2)ulnar nerve
NAME (2)
this nerve supplies the forearm
(1)mostly the median nerve but also the ulnar nerve
What is the differ btwn the nerve suply in the forearm and the hand?
(1)forearm-is supplied mostly by the median nerve but also by the ulnar nerve (2)the hand is supplied mostly by the ulnar nerve but also by the median nerve
What is the differ btwn the nerve suply in the forearm and the hand?
(1)forearm-is supplied mostly by the median nerve but also by the ulnar nerve (2)the hand is supplied mostly by the ulnar nerve but also by the median nerve
What is the differ btwn the nerve suply in the forearm and the hand?
(1)forearm-is supplied mostly by the median nerve but also by the ulnar nerve (2)the hand is supplied mostly by the ulnar nerve but also by the median nerve
NAME
this area is mainly inverted by the median nerve but also the ulnar nerve
the forearm
NAME
this area is mainly supplied by the ulnar nerve but also the median nerve
hand
what nerve supplies the hand? (2)
mainly the ulnar nerve but also the (2)median nerve
NAME
these nerves supply the hand (2)
mainly the ulnar nerve (2)but also the median nerve
Are there muscles in the back of the hand?
no
T or F
there are muscles in the back of the hand
false
What is the only posterior arm muscle?
triceps brachi
What is tri latin for?
three
What is ceps latin for?
head
What is brachi latin for?
arm
NAME
this lating for arm
brachi
NAME
this latin for 3
tri
NAME
this is latin for head
ceps
What are the triceps brachi?
Tri=3, ceps=head, and brachi=arm
Therefore, it is the arm muscle w 3 heads (one is deep and the other superfical)
NAME
this is an arm muscle w 3 heads
triceps brachi
What are the (4)muscles in the arm? Give which ones are anterior or posterior
(1)triceps brachi (anterior)
(2)biceps brachi (anterior)
(3)brachialis (anterior)
(4)coracobrachilis (posterior)
What are the (3)anterior arm muscles?
(1)triceps brachi (2)biceps brachi (3)Brachialis
What is the only posterior arm muscles?
triceps brachi
NAME
this is the only posterior arm muscle
triceps brachi
What is easy way to remember where the flexors and extensors are in the arm and the forearm are? (2)
(1)flexors are anterior
(2)extensors are posterior
What is easy way to remember where the flexors and extensors are in the arm and the forearm are? (2)
(1)flexors are anterior
(2)extensors are posterior
What is easy way to remember where the flexors and extensors are in the arm and the forearm are? (2)
(1)flexors are anterior
(2)extensors are posterior
The (1)muscles are located in the posterior sides of the forearm and the arm
extensors
The (1)muscles are located in the anterior sides of the forearm and the arm
flexors
The extensors are located in the (1)sides of the arm and the forearm
posterior
The flexors are located in the (1)sides of the arm and the forearm
anterior
WHat is the medial epicondyle?
all flexors on the forearm orginate here
nAME
all flexors on the forearm orginate here
medial epicondyle
What is pronatar teres?
teres=short
pro=pronates

therefore the pronator teres pronates
What are the functions of the biceps brachi? (2)
(1)flexors=are on the anteiorly sides of the arm and forearm..therefore, it flexs the forearm (2)supinates the forearm
WHat does the short head of the biceps brachi do?
helps to resist dislocation of the shoulder
NAME
the functions of this muscle are to flex and supinate the forearm
biceps brachi
What does the brachialis do?
Flexors=are on the anteriorly sides of the arm and forearm

Therefore, it flexes the forearm in all postions
NAME
this flexs the forearm in all positions
brachialis
What are the functions of the triceps brachi
(1)extensors=posterior sides of the arm and forearm ...therefore, it the chief extensor of the forearm
NAME
this is the chief extesnor of the forearm
triceps brachi
What does the Coracobrachialis do? (3)
(1)is considered anterior bc half of it is on the anterior half of the humerus and flexor=anterior sides of the forearm and arm .....therefore, helps flex the arm (2)adducts the arm (3)resists the dislocation of the shoulder
NAME
this muscle flexs and adducts the arm and resists the dislocation of the shoulder
Coracobrachialis
Why is the Coracobrachialis considered anterior even though on the model it looks like it is posterior?
bc half of it is on the anterior surface of the humerus
T or F
the coracobrachilias is the only posterior arm muscle not the triceps brachi
false
T or F
the Triceps brachi is anterior arm muscle
false
Is there triceps brachi a anterior or posterior arm muscle?
posterior arm muscle
What does PT stand for?
pronator teres
What does FCR stand for?
flexor carpis radialis
What does FCU stand for?
Flexor carpi ulnaris
What are the functions of the PT for? (2)
(1)pronates (2)flexor=anteriorly side of the arm and forearm...therefore, it flexes the forearm
NAME
this muscle pronates and flexes the forearm
PT
What are the functions of the FCR? (2)
(1)flexes and (2)abducts the hand at the wrist
NAME
this muscle flexes and abducts the hand at the wrist
FCR
What are the functions of the Palmaris longus? (2)
(1)flexors=anterior side of the forearm and the arm...therefore, it flexs the hand at the wrist (2)tenses palmar apoenurosis
NAME
this muscles flexes the hand and tenses the palmar aponeurosis
Palmaris longus
What are the functions of the FCU? (2)
(1)flexs the hand at the wrist (2)adducts the hand at the wrist
NAME
these muscles flex and adduct the hand at the wrist
FCU
What are the different muscles that can flex the hand at the wrist? (4)
(1)PT (2)FCR (3)Palmaris longus (4)FCU
What function do the PT, FCR, palamaris longus, and the FCU have in common?
they all flex the hand at the wrist
What does FDS stand for?
Flexor digitorum superficialis
What are the functions of the FDS?
(1)Flexor=anterior side of the forearm and arm ...therefore, it flexes the phlanges at the interphalangeal joints (2)flexes proximal phalanges at the metacarpophalangeal joints
NAME
this flexes the middle phalnages at the proximal interphalangeal joints and the metacarpophalangeal joints
FDS
Draw a chart of what the muscles of the anterior forearm are like
see chart
Draw a chart of what the muscles of the forearm are like
See chart
Draw a chart of what the muscles of the forearm are like
see chart
What are the different layers of the forearm? (3)
(1)superficial layer (2)intermediate layer (3)deep layer
NAME
this layer of the forearm is made up of the PT, FCR, Palamris longus, and FCU
superfical layer of the anterior forearm
What are the different muscles that make up the anterior superfical layer of the forearm muscles? (4)
(1)PT (2)FCR (3)Palmaris longus (4)FCU
WHat are the (2)heads of the PT?
(1)ulnar head (2)radial head
What muscles makes up the intermediate layer of the anterior forearm?
FDS
NAME
this layer of the anterior forearm has the FDS
intermediate
What does FDP stand for?
flexor digitorum profundus
What are the functions of the FDP? (2)
(1)flexor=anterior side of the forearm and the arm ...therefore, it's medial head flexes the distal phalanges 4 and 5 at the distal interphalangeal joints (2)lateral head flexes the digital phalanges 2 and 3 at the distal interphalnageal joints
NAME
this muscle medial head flexes the distal phalanges 4 and 5 at the distal interphalangeal joints and its lateral head flexes the digital phalanges 2 and 3 at the distal interphalnegael joints
FDP
What are the functions of the FPL?
(1)flexor=anterior side of the forearm and arm ...therefore, it flexes the phalanges of the 1st digit (thumb)
NAME
this flexes the phalanges of the 1st digist or thumb
FPL
What are the functions of the pronator quadratus?
it pronates the forearm
NAME
this muscles pronates the forearm
pronator forearm
What are the different muscles that make up the deep layer of the anterior side of the forearm?
(1)FDP (2)FPL (3)pronator quadratus
NAME
this layer of the forearm is made up of the FDP, FPL, and the pronator quadratus
pronator forearm