Snook Table

Given below the table to handle ergonomic risk factors which is designed goals for various lifting, lowering, pushing and pulling. The snook table here provides the push and pull distance for specific types of job tasks taken along with the range of time. The distance is given in both the units such as inches (in) and feet (ft). The snook table is provided with the weight values that are to be acceptable to a defined percentage of the population.

Snook Table Push Pull

Above Shoulder	Horizontal Distance(inches)
	7			10			15
	Distance Of Lift(inches)			Distance Of Lift(inches)			Distance Of Lift(inches)
Frequency	10	20	30	10	20	30	10	20	30
1/8 Hour	35	31	29	29	26	24	26	24	22
1/30 Minute	31	26	24	24	22	20	22	20	18
1/5 Minute	26	24	22	22	20	18	20	20	18
1/2 Minute	26	24	22	22	20	18	20	20	18
1/1 Minute	26	24	20	20	20	18	20	18	15
1/14 s	20	20	18	18	18	13	18	18	13
1/9 s	18	18	15	15	15	13	15	15	13
1/5 s	18	18	13	13	13	11	13	13	11

Knuckle to Shoulder (between 29 and 54 in)		Horizontal Distance (Front of Body to Hands) [in]
		7			10			15
		Distance of Lift [in]			Distance of Lift [in]			Distance of Lift [in]
Frequency		10	20	30	10	20	30	10	20	30
1 / 8 h	1 / 8 h	40	37	33	37	33	31	37	33	31
1 / 30 min	2 / 1 h	35	31	29	31	29	26	31	29	26
1 / 5 min	12 / 1 h	31	29	26	29	26	24	29	26	24
1 / 2 min	30 / 1 h	31	29	26	29	26	24	29	26	24
1 / 1 min	1 / 1 min	29	26	24	26	24	22	26	24	22
1 / 14 s	4.3 / 1 min	24	24	20	20	20	18	20	20	18
1 / 9 s	6.7 / 1 min	22	22	18	18	18	15	18	18	15
1 / 5 s	12 / 1 min	20	20	15	15	15	13	15	15	13

Floor to Knuckle(below 29 in)		Horizontal Distance (Front of Body to Hands) [in]
		7			10			15
		Distance of Lift [in]			Distance of Lift [in]			Distance of Lift [in]
Frequency		10	20	30	10	20	30	10	20	30
1 / 8 h	1 / 8 h	51	48	42	42	40	35	40	37	31
1 / 30 min	2 / 1 h	37	35	31	31	31	26	29	29	24
1 / 5 min	12 / 1 h	33	33	29	29	26	22	26	24	22
1 / 2 min	30 / 1 h	33	33	29	26	26	22	26	24	22
1 / 1 min	1 / 1 min	31	31	26	26	24	22	24	22	20
1 / 14 s	4.3 / 1 min	29	26	24	24	20	20	24	20	20
1 / 9 s	6.7 / 1 min	26	24	22	22	20	18	22	20	18
1 / 5 s	12 / 1 min	22	20	18	18	15	15	18	15	15

Carrying at about waist height(elbows bent)
Carrying at about waist height(elbows bent)		Distance of Carry [ft]
Frequency		7	14	27
1 / 8 h	1 / 8 h	46	46	42
1 / 30 min	2 / 1 h	35	35	31
1 / 5 min	12 / 1 h	35	35	31
1 / 2 min	30 / 1 h	33	33	31
1 / 1 min	1 / 1 min	33	33	31
1 / 20 s	3 / 1 min	31	26	26
1 / 10 s	6 / 1 min	29	24	OR

Carrying with arms extended below waist(elbows straight)
Carrying with arms extended below waist(elbows straight)		Distance of Carry [ft]
Frequency		7	14	27
1 / 8 h	1 / 8 h	55	51	51
1 / 30 min	2 / 1 h	42	37	37
1 / 5 min	12 / 1 h	42	37	37
1 / 2 min	30 / 1 h	40	35	35
1 / 1 min	1 / 1 min	40	35	35
1 / 20 s	3 / 1 min	37	29	31
1 / 10 s	6 / 1 min	35	24	OR

High Push Point(hands about 55 in)
		Push Distance [ft]
		7		24		48		97		145		194
Frequency		Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained
1 / 8 h	1 / 8 h	59	46	53	35	46	29	46	26	46	24	42	20
1 / 30 min	2 / 1 h	55	37	51	29	44	24	42	20	42	18	37	13
1 / 5 min	12 / 1 h	53	35	48	26	42	22	37	20	37	18	33	13
1 / 2 min	30 / 1 h	48	31	44	24	37	20	35	18	35	18	31	13
1 / 1 min	1 / 1 min	46	31	44	24	37	20	33	15	33	15	OR	OR
1 / 30 s	2 / 1 min	44	31	42	22	37	18	OR	OR	OR	OR	OR	OR
1 / 15 s	4 / 1 min	42	26	37	20	OR	OR	OR	OR	OR	OR	OR	OR
1 / 12 s	5 / 1 min	40	26	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR
1 / 6 s	10 / 1 min	37	20	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR

Middle Push Point (hands about 36 in)
		Push Distance [ft]
		7		24		48		97		145		194
Frequency		Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained
1 / 8 h	1 / 8 h	59	42	55	37	46	31	46	29	46	26	42	20
1 / 30 min	2 / 1 h	55	35	51	29	44	24	42	22	42	20	37	15
1 / 5 min	12 / 1 h	53	33	48	29	42	24	40	20	40	18	35	13
1 / 2 min	30 / 1 h	48	29	44	24	37	22	35	20	35	18	33	13
1 / 1 min	1 / 1 min	46	29	44	24	37	20	33	18	33	15	OR	OR
1 / 30 s	2 / 1 min	44	29	42	22	35	18	OR	OR	OR	OR	OR	OR
1 / 15 s	4 / 1 min	42	26	37	20	OR	OR	OR	OR	OR	OR	OR	OR
1 / 12 s	5 / 1 min	40	24	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR
1 / 6 s	10 / 1 min	37	18	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR

Low Push Point (hands about 24 in)
		Push Distance [ft]
		7		24		48		97		145		194
Frequency	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained
1 / 8 h	1 / 8 h	46	37	46	33	40	29	40	26	40	24	35	18
1 / 30 min	2 / 1 h	44	31	44	26	37	22	35	20	35	18	31	13
1 / 5 min	12 / 1 h	42	29	42	26	35	22	33	18	33	18	29	13
1 / 2 min	30 / 1 h	37	26	37	24	33	20	31	18	31	15	26	13
1 / 1 min	1 / 1 min	37	24	37	22	31	20	29	15	29	15	OR	OR
1 / 30 s	2 / 1 min	35	24	35	22	29	18	OR	OR	OR	OR	OR	OR
1 / 15 s	4 / 1 min	33	22	31	18	OR	OR	OR	OR	OR	OR	OR	OR
1 / 12 s	5 / 1 min	33	20	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR
1 / 6 s	10 / 1 min	31	15	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR

High Pull Point (hands about 55 in)
High Pull Point (hands about 55 in)		Pull Distance [ft]
7		24		48		97		145		194
Frequency	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained
1 / 8 h	1 / 8 h	57	44	53	40	44	33	44	31	44	26	40	22
1 / 30 min	2 / 1 h	55	35	48	31	42	26	40	22	40	20	35	15
1 / 5 min	12 / 1 h	53	33	46	29	40	24	37	22	37	20	33	15
1 / 2 min	30 / 1 h	46	31	42	26	35	22	35	20	35	20	31	15
1 / 1 min	1 / 1 min	44	29	42	26	35	22	31	18	31	18	OR	OR
1 / 30 s	2 / 1 min	44	29	40	24	31	20	OR	OR	OR	OR	OR	OR
1 / 15 s	4 / 1 min	42	26	35	20	OR	OR	OR	OR	OR	OR	OR	OR
1 / 12 s	5 / 1 min	42	26	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR
1 / 6 s	10 / 1 min	35	18	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR

Middle Pull Point(hands about 36 in)
Middle Pull Point(hands about 36 in)		Pull Distance [ft]
7		24		48		97		145		194
Frequency	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained
1 / 8 h	1 / 8 h	59	42	55	37	46	31	46	29	46	26	42	20
1 / 30 min	2 / 1 h	57	35	51	31	44	26	42	22	42	20	37	15
1 / 5 min	12 / 1 h	55	33	48	29	42	24	40	20	40	20	35	15
1 / 2 min	30 / 1 h	48	29	44	26	37	22	35	20	35	18	33	13
1 / 1 min	1 / 1 min	46	29	42	24	37	22	33	18	33	15	OR	OR
1 / 30 s	2 / 1 min	46	29	40	24	31	18	OR	OR	OR	OR	OR	OR
1 / 15 s	4 / 1 min	44	26	37	20	OR	OR	OR	OR	OR	OR	OR	OR
1 / 12 s	5 / 1 min	42	26	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR
1 / 6 s	10 / 1 min	35	18	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR

Low Pull Point (hands about 24 in)
		Pull Distance [ft]
		7		24		48		97		145		194
Frequency	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained	Initial	Sustained
1 / 8 h	1 / 8 h	62	40	57	35	48	29	48	26	48	24	44	20
1 / 30 min	2 / 1 h	59	31	53	29	46	24	44	20	44	18	40	13
1 / 5 min	12 / 1 h	57	29	51	26	44	22	40	20	40	18	35	13
1 / 2 min	30 / 1 h	51	26	46	24	40	20	37	18	37	18	33	13
1 / 1 min	1 / 1 min	48	26	44	24	37	20	35	15	35	15	OR	OR
1 / 30 s	2 / 1 min	48	26	42	22	33	18	OR	OR	OR	OR	OR	OR
1 / 15 s	4 / 1 min	46	24	37	18	OR	OR	OR	OR	OR	OR	OR	OR
1 / 12 s	5 / 1 min	44	24	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR
1 / 6 s	10 / 1 min	37	15	OR	OR	OR	OR	OR	OR	OR	OR	OR	OR

Snook table will be useful for many jobs which are required for a wide variety of manual handling tasks.

Snook Table

Snook Table Push Pull

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