Class information for:
Level 1: BACKPACK//LOAD CARRIAGE//SCHOOLBAG

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
12211 923 31.5 68%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
14 4 ORTHOPEDICS//DENTISTRY, ORAL SURGERY & MEDICINE//SPORT SCIENCES 808941
306 3       LOW BACK PAIN//BEZOAR//GEOPHAGY 40486
855 2             ERGONOMICS//APPLIED ERGONOMICS//INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS 11620
12211 1                   BACKPACK//LOAD CARRIAGE//SCHOOLBAG 923

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 BACKPACK authKW 2314002 10% 76% 92
2 LOAD CARRIAGE authKW 2295362 12% 65% 107
3 SCHOOLBAG authKW 827031 3% 100% 25
4 RUCKSACK authKW 211717 1% 80% 8
5 LOAD POSITION authKW 170130 1% 86% 6
6 SCHOOL BACKPACK authKW 165406 1% 100% 5
7 ERGON OCCUPAT SAFETY HLTH address 139751 1% 33% 13
8 BACK PAIN authKW 112430 9% 4% 86
9 OPTIMAL SPEED authKW 108058 1% 47% 7
10 BACK CARE authKW 105858 0% 80% 4

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Ergonomics 33402 18% 1% 165
2 Psychology, Applied 9820 16% 0% 151
3 Engineering, Industrial 9727 18% 0% 165
4 Orthopedics 8156 25% 0% 235
5 Sport Sciences 5446 18% 0% 168
6 Psychology 2533 12% 0% 110
7 Rehabilitation 1812 10% 0% 88
8 Clinical Neurology 1060 16% 0% 147
9 Pediatrics 613 10% 0% 90
10 Rheumatology 536 5% 0% 43

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ERGON OCCUPAT SAFETY HLTH 139751 1% 33% 13
2 SPORTS MED MYOL UNIT 66162 0% 100% 2
3 SPORTSCI CLIN BIOMECH 66162 0% 100% 2
4 EXERCISE DISABIL PHYSIOL PATHOPHYSIOL 44107 0% 67% 2
5 EXERCISE SPORTS SCI GRP 44107 0% 67% 2
6 HUMAN SERV REHABIL STUDIES 44107 0% 67% 2
7 PHYS EDUC MOVEMENT 44107 0% 67% 2
8 SPORTS SCI COURSE 44107 0% 67% 2
9 ERGONOM GRP 42530 0% 43% 3
10 ACT HUMAN MOVEMENT STUDY 37213 0% 38% 3

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ERGONOMICS 70748 10% 2% 95
2 APPLIED ERGONOMICS 26953 5% 2% 47
3 WORK-A JOURNAL OF PREVENTION ASSESSMENT & REHABILITATION 13707 3% 1% 31
4 EUROPEAN SPINE JOURNAL 13203 5% 1% 43
5 BMC MUSCULOSKELETAL DISORDERS 8955 3% 1% 29
6 SPINE 6950 6% 0% 56
7 GAIT & POSTURE 4782 2% 1% 22
8 INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS 4322 2% 1% 16
9 JOURNAL OF BACK AND MUSCULOSKELETAL REHABILITATION 4243 1% 1% 10
10 MILITARY MEDICINE 3575 3% 0% 27

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 BACKPACK 2314002 10% 76% 92 Search BACKPACK Search BACKPACK
2 LOAD CARRIAGE 2295362 12% 65% 107 Search LOAD+CARRIAGE Search LOAD+CARRIAGE
3 SCHOOLBAG 827031 3% 100% 25 Search SCHOOLBAG Search SCHOOLBAG
4 RUCKSACK 211717 1% 80% 8 Search RUCKSACK Search RUCKSACK
5 LOAD POSITION 170130 1% 86% 6 Search LOAD+POSITION Search LOAD+POSITION
6 SCHOOL BACKPACK 165406 1% 100% 5 Search SCHOOL+BACKPACK Search SCHOOL+BACKPACK
7 BACK PAIN 112430 9% 4% 86 Search BACK+PAIN Search BACK+PAIN
8 OPTIMAL SPEED 108058 1% 47% 7 Search OPTIMAL+SPEED Search OPTIMAL+SPEED
9 BACK CARE 105858 0% 80% 4 Search BACK+CARE Search BACK+CARE
10 BACKPACK LOAD 105858 0% 80% 4 Search BACKPACK+LOAD Search BACKPACK+LOAD

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 CALVO-MUNOZ, I , GOMEZ-CONESA, A , SANCHEZ-MECA, J , (2013) PREVALENCE OF LOW BACK PAIN IN CHILDREN AND ADOLESCENTS: A META-ANALYSIS.BMC PEDIATRICS. VOL. 13. ISSUE . P. - 74 90% 28
2 CALVO-MUNOZ, I , GOMEZ-CONESA, A , SANCHEZ-MECA, J , (2012) PREVALENCE OF LOW BACK PAIN DURING CHILDOOHD AND ADOLESCENCE. A SYSTEMATIC REVIEW.REVISTA ESPANOLA DE SALUD PUBLICA. VOL. 86. ISSUE 4. P. 331-356 71 91% 4
3 DOCKRELL, S , SIMMS, C , BLAKE, C , (2013) SCHOOLBAG WEIGHT LIMIT: CAN IT BE DEFINED?.JOURNAL OF SCHOOL HEALTH. VOL. 83. ISSUE 5. P. 368 -377 64 93% 9
4 GOLRIZ, S , WALKER, B , (2011) CAN LOAD CARRIAGE SYSTEM WEIGHT, DESIGN AND PLACEMENT AFFECT PAIN AND DISCOMFORT? A SYSTEMATIC REVIEW.JOURNAL OF BACK AND MUSCULOSKELETAL REHABILITATION. VOL. 24. ISSUE 1. P. 1 -16 44 96% 4
5 LI, SSW , CHOW, DHK , (2016) MULTI-OBJECTIVE ANALYSIS FOR ASSESSING SIMULTANEOUS CHANGES IN REGIONAL SPINAL CURVATURES UNDER BACKPACK CARRIAGE IN YOUNG ADULTS.ERGONOMICS. VOL. 59. ISSUE 11. P. 1494 -1504 46 81% 0
6 GOLRIZ, S , WALKER, B , (2012) BACKPACKS. SEVERAL FACTORS LIKELY TO INFLUENCE DESIGN AND USAGE: A SYSTEMATIC LITERATURE REVIEW.WORK-A JOURNAL OF PREVENTION ASSESSMENT & REHABILITATION. VOL. 42. ISSUE 4. P. 519 -531 43 88% 2
7 LIEW, B , MORRIS, S , NETTO, K , (2016) THE EFFECT OF BACKPACK CARRIAGE ON THE BIOMECHANICS OF WALKING: A SYSTEMATIC REVIEW AND PRELIMINARY META-ANALYSIS.JOURNAL OF APPLIED BIOMECHANICS. VOL. 32. ISSUE 6. P. 614 -629 50 67% 0
8 LAZARY, A , SZOVERFI, Z , SZITA, J , SOMHEGYI, A , KUMIN, M , VARGA, PP , (2014) PRIMARY PREVENTION OF DISC DEGENERATION-RELATED SYMPTOMS.EUROPEAN SPINE JOURNAL. VOL. 23. ISSUE . P. S385 -S393 50 68% 1
9 CARDON, G , BALAGUE, F , (2004) LOW BACK PAIN PREVENTION'S EFFECTS IN SCHOOLCHILDREN. WHAT IS THE EVIDENCE?.EUROPEAN SPINE JOURNAL. VOL. 13. ISSUE 8. P. 663-+ 47 85% 40
10 MACKENZIE, WG , SAMPATH, JS , KRUSE, RW , SHEIR-NEISS, GJ , (2003) BACKPACKS IN CHILDREN.CLINICAL ORTHOPAEDICS AND RELATED RESEARCH. VOL. . ISSUE 409. P. 78-84 48 86% 37

Classes with closest relation at Level 1


Rank Class id link
1 7291 RECURRENT ABDOMINAL PAIN//FUNCTIONAL ABDOMINAL PAIN//PEDIATRIC CHRONIC PAIN
2 12195 FIREFIGHTERS//FIREFIGHTING//PROTECTIVE CLOTHING
3 11226 MILITARY MEDICINE//FUNCTIONAL MOVEMENT SCREEN//MIL PERFORMANCE
4 9575 SPONDYLOLYSIS//SPONDYLOLISTHESIS//PARS INTERARTICULARIS
5 10905 SCHOOL FURNITURE//DIGITAL HUMAN MODEL//ERGONOMICS
6 3509 PATIENT HANDLING//LOW BACK PAIN//SAFE PATIENT HANDLING
7 20640 SCHMORLS NODE//SCHEUERMANNS DISEASE//SCHEUERMANNS KYPHOSIS
8 24858 NORDIC WALKING//AEROBIC DANCE//POLE WALKING
9 4330 GAIT//GAIT & POSTURE//GAIT VARIABILITY
10 29400 GROWING PAINS//ESCULENTIC ACID//SECTOR PAEDIAT

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