Fine motor skills testing
Bi9100
Ergonomics and Applied Anthropology
The human hand – biological aspects
The human hand – biological aspects
• Various types of
grip
• Handgrip strength
testing
• Prenatal testosterone
level markers
➢2D:4D ratio
➢MPH
• Dermatoglyphs
• Correlation with body
height
• Sexual dimorphism
• Hand-foot coevolution
• Manipulation or
pleiotrophy?
The human hand – biological aspects
The human hand – evolutionary aspects
• Hand-eye coordination
• Tool-utilizing, manipulation,
fabrication behavior
• Cognitive characteristics
The human hand – cultural aspects
• Universally spread – handshake
• Showing the empty palm –
defenselessness (in the majority
of cultures)
• Various hand-gestures – specific
meanings in different cultures
• Folklore – washing one‘s hands
over a subject...
• The matter is out of his hands...
The human hand – philosophical aspects
• Kant: „The hand is the window
to the mind“
• Variety of motions, gripping,
sense of touch – all affect the
way we think
• Wilson
The human hand – fine motor skills
• Complex/fine assembly jobs
• Typing
• Handcrafts...
Tests
• O‘Connor finger dexterity test
• Purdue Pegboard test