thinkingolfer Glossary
A
acceleration of ball at impact
address, distance from the ball
address position
address weight distribution
air density influence on ball flight
air resistance influence on ball flight
airflow around spinning golf ball
analogy
- hammering nails
- hammer throwing
- learning mathematics
- propeller aircraft
- tennis player
- tightrope walker
- tug of war
anatomy of the golf swing
angle of attack
angular momentum
angular velocity
arm movement
arms, passive
arms
- rotate open in backswing
- true role in the swing
Armstrong, Neil
axis of rotation
B
backspin
all shots have backspin
tilted backspin axis
backswing
- as a fashion statement
- left arm rotates
- path
balata
ball
- aerodynamics
- cover
- position in stance
- trajectory
balls
- optimised for different clubhead speeds
- different trajectories
Barber, Miller
bent right arm at impact
Bernoulli effect
big turn
biomechanics
body, pace of movement
body turn
C
carbon fibre
carry of 350 yards
centre of gravity
centre of mass of clubhead
centrifugal force on the clubhead
cetripetal force makes an object travel in a curve
Characteristic Time [CT]
checkpoints
- at impact
- at address
closed stance
closed vs. open notation
Closed, Closing Club
Club face
Conservation
- of angular momentum
- of energy
club
- design
- heavy
- immune to bad hits
- release
clubface
- open & closed (definitions)
- opening in the backswing
- orientation relative to swing path
- square (definition)
clubhead
- centre of mass
- heavy needs stiffer shaft
- mass versus ball speed
- shape
- speed 150 mph
- speed required for long iron shots
- sweet spot
- twisting at impact
collision
coming over the top
COR, coefficient of restitution
cover of ball
cupping the left wrist
curving shots are difficult to avoid
D
Daly, John
data for impact
- 5-iron
- driver
- wedge
David Leadbetter's set-up routine
distance
- chart
- from the ball
- of golf shots
divot
dimple
downswing, how to start
draw
how to set up for a draw
driver
distance in carry
drives with top spin
Duval, David
E
effect of clubhead mass on ball speed
effective loft
elastic collision
energy
kinetic
lost at impact
stored energy myth
passive transmission from club to ball
explosion shots
F
face curvature
fade
how to set up for a fade
fairway bunker shot
fairway metal
fairway wood
Faldo, Nick
fast acceleration makes up for short swing path
fat strike
feedback felt by the hands
- uncomfortable
female golfers
first move from the top-of-backswing position
flat swing
flat swings look short
flexibility of golfer's body
flyer
follow-through
force
centripetal
muscular
of gravity
of impact
forces on the shaft
forward swing
frame of reference
friction between clubface and ball
full swing vs. truncated swing
fundamentals
address position
found in all swings
checkpoints at impact
Furyk, Jim
game improving clubs
gap wedge
G
Game improving clubs
Garcia, Sergio
Garner, John
gear-effect
golf ball
Golf Channel
Golf Digest
Golf nirvana (def)
golf is a serial game
rules
golf swing
good
perfect
golfer
female
handicap player
left-handed
professional player
strong
good golf swing
gravity
Greg Norman's backward kick
grip
grip strength
grip twisting at impact
H
half swing
hammer analogy
hammer throwing analogy
hands player, hands and arms player
hands and shoulders, overuse of
head kept still
heavy versus light clubs
height of shots
high hands exercise
high tech materials
hip turn
hips facing target at impact
hitting down
hitting versus swinging
Hogan, Ben
hook
quick hook
how to hit draws and fades
from grass
how we learn golf
I
impact
acceleration of ball
clubhead speed at impact
force
velocity of ball
velocity of club
impact vs. address positions
importance of being earnest
improve with scientific approach
initial conditions determine the ball flight
initial velocity
inside-to-out swing myth
Internet
iron
perimeter weighted
Ping
irons
distance chart
short irons hit straight
trapping
J
Jones, Bobby
K
kinetic energy from the body transfers to the club
Kuehne, Hank
Kuykendall, Jack
L
lack of understanding of fundamental physics
lag is essential in the swing
late hit
launch angle
keep low into strong wind
Leadbetter, David
learning process for adults
left arm bent in follow-through
left arm kept straight during the swing
left arm rotation in the backswing
left hand grip characteristics
left heel
left-handed golfers look different
Leonard, Justin
letting shots ride the wind
lift on ball
negative
Lindeberg apparel
lob wedge
loft
effective
negative
positive
long swing path makes up for slow acceleration
longdriving
long hitters, what to learn from photos
looping the swing
lorythmic scale
low swing speed equals small forces in the swing
M
main cause of slice is a faulty backswing
mannerisms seen in good players
margin for error
hitting the ball
hitting the target
mass of an object
measuring swing-weight
metal wood
Michelson, Phil
mishit
misinformation
confuses golfers
is abundant
missing link of golf
modern swing
MOI, moment of inertia
club
clubhead
momentum
linear
angular
muscles and tendons do not store energy
muscular action
muscular force
myths
a steep swing plane is better from rough
accelerate through the ball
drives hit with top spin travels further
hit down to get the ball in the air
hook spin gives more distance
inside-to-out produces a draw
swing from the inside
the hands whip the club through at impact
the shaft is the engine of the swing
you need to trap the ball when hitting irons
N
Nelson, Byron
newton, unit of force [N]
Newton
Nicklaus, Jack
Norman, Greg
Norman, Moe
notations
O
O'Connor Snr, Christy
off-centre hit
one-piece takeaway
on plane swing
open stance
Open, opening Club, Club face
optical illusion
distorts the way we perceive heights
shows unreal shaft flex
ounce-inches
out of bounds [OB]
P
pace of the body movement
perfect swing
perimeter weighing
physical strength is not that important for good golf
physics, a fundamental lack of understanding
Ping - the company
Ping irons
plane
play smart and score low
playing professionals
playing safe
power source of the swing
preventing the club from releasing
professional golfers a long hitting bunch
propeller aircraft analogy
pulling down with the arms from the top
purpose of the backswing
Q
quick hook
quitting on the shot
R
reach for the sky
release of club
happens automatically
is complete after impact
reverse-C position
right hand comes off the grip
right hand grip
role of
the hands
the legs
Royal and Ancient Golf Club of St. Andrews [R&A]
rotation axis for the body
rough, hitting from
S
safe play
sand iron
Scott, Adam
scramble (match form)
science
scientific principle
sculled shot
Search for the Perfect Golf Swing (book)
serial game
set up in an alert posture
set-up geometry
shaft
dynamic forces
flexible
loaded during the swing
mass
perfect
stiffness
strained during the swing
torsional stiffness
shot
curving
explosion
shoulders, arms and hands rotate as one unit
sidespin on ball
Singh, Vijay
slice
Snead, Sam
software for golf analysis
sole-plate
Solheim, Karsten
Sörenstam, Annika
speed of clubhead required for long iron shots
Spin
Backspin
Sidespin
Topspin
Hookspin
Slicespin
spine angle
spine position at address
springiness of ball
of clubface 24
spring-like effect
Square
Clubface
Stance
stance
square
closed
opened
starting down from the top
steep swing plane
better from rough myth
stored energy myth
straight left arm
Strata (ball brand)
strike
effortless
less than perfect
perfect
thin
heavy
stroke and distance penalty
strong golfer
strong grip myth
sweet spot
swing
from the inside
objective
path
perfect
wristy
on plane
swing plane (definition)
as a frame of reference
swing thought keep position of shoulders and hips intact
legs turning the shoulders
swinging on plane
swinging versus hitting
swing-weight
how to measure
lorythmic scale
T
taking a turf
target line
tennis player analogy
tension
doesn't equal power
unwanted
test the solidity of your grip
thin strike
three quarter swing
titanium
top spin on a golf ball is a fallacy
Top-Flite (brand name)
Top-of-backswing position
topped shot
torque from a bad hit
from club's weight
from impact
torsion stiffness of shaft
transfer of energy from club to ball
trapping the irons
Trevino, Lee
true role of the arms
tug of war analogy
turn, big
two primary movements
two-lever system
U
United States Golf Association [USGA]
unwanted tension
use a video camera to record your swing
V
vector
velocity
angular
initial
of ball
of club
video camera
record your swing
video camera
use to check dynamic lie angle
W
websites specialising in golf instruction
wedge distance chart
weight shift
what is a fundamentally sound swing?
whiplash-effect
why to avoid a wide, one piece takeaway
width of stance
Wie, Michelle
wind influence on ball flight
on club selection
how to play in wind
Wolter, Carl
woods (clubs)
distances
wooden club
Woods, Tiger
work done by aircraft propeller
worm-killer (topped shot)
wrist action should be passive
wrist cupping for a late hit
wristy swing
Y
yo-yo, centripetal force