Grips

Question 1

Power Grip

Answer 1

stability w/ large forces
objects tend to be spherical/cylindrical
strong forces from finger flexors especially 4th and 5th
hammer/screwdriver

Question 2

Precision Grip

Answer 2

Control and/or delicate action
use thumb and 1 more
Egg/lightbulb
holding a quarter

Question 3

Hook grip

Answer 3

static, prolonged periods of time
no thumb involvement
partially flexed PIP and DIP
luggage strap

Question 4

3 point pinch

Answer 4

thumb and 1 finger to increase grip security
control delicate action
index middle and thumb
hold pencil

Question 5

Power/lateral pinch

Answer 5

large force needed to stabilize an object between thumb and lateral border of index finger
very useful combo of high force and dexterity
key, hold paper from side

Question 6

Precision Pinch

Answer 6

provide fine control for objects between thumb and finger
tiny objects with skill and precision
thumb and finger, tip to tip, pad to pad
tweezers, pencil lead

Question 7

Precision grip anatomically

Answer 7

thumb partially abducted (c shape) and finger partially flexed
modified for objects of different sizes