SUB-SECONDARY CLASSIFICATION [Ridge Counting & Ridge Tracing] of Fingerprint

#SUB-SECONDARY #RIDGECOUNTING #RIDGETRACING

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RIDGE COUNTING & RIDGE TRACING OF FINGERPRINT [Sub-secondary Classification]

FOR CRIMINOLOGY PURPOSES ANOTHER VIDEO FOR

SUB SECONDARY DIVISION

PS: HANAPIN NYO NALANG SA POST KO YUNG PRIMARY AND SECONDARY CLASSIFICATION MALAKING TULONG ITO SAINYO

Derived by ridge counting of loop and ridge tracing of whorl found in the index, middle and ring only.  2,3,4, 7,8,9
BOTH ARCH ARE ALWAYS (-)

RIDGE COUNTING ( LOOP) -  counting of ridges between delta and core of a loop.

RIDGE TRACING ( WHORL ) – counting the ridges intervening between tracing ridge and the right delta of whorl.

Fingers involve= index, middle and ring of both hands
Loops ridge count

                         I                   O
Index       1 to 9        10 or more
Middle       1 to 10      11 or more               
Ring           1 to 13       14 or more

Ridge counting
the process of counting the ridge cross by the line from delta to core.

Incipient Ridge
ridge that is so thin or fine, not included as a ridge count.

RULES IN RIDGE COUNTING
ISLAND, DOT, SHORT RIDGE, LONG RIDGE AND ABRUPT ENDING RIDGE = 1 RIDGE COUNT

RIDGE ENCLOSURE, MEETING OF TWO RIDGE, BIFURCATING RIDGE THAT CROSS IN THE OPENING OR AT THE CENTER OF BIFURCATION = 2 RIDGE COUNT
Tracing for Whorl ( IMO)
RULES IN RIDGE TRACING

INNER WHORL
    – when the tracing goes above or inside the right delta and there are three or more  intervening ridge.

OUTER WHORL
    – when the tracing ridge goes below or outside the right delta and there are three or more intervening ridge

MEETING WHORL
   – when there are two or less intervening ridges either above or below.

This video was created for aspiring individual who would want to be a Policemen, this will help you in your review and pass the PNP entrance EXAM, CIVIL SERVICES EXAMINATION, CRIMINOLOGIST LICENSURE EXAMINATION, Share you insights and thoughts, Don't hesitate to ask questions and queries, would gladly welcome it in the comment section. Comment your

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