L. Schaap

8.3k total citations · 3 hit papers
90 papers, 4.8k citations indexed

About

L. Schaap is a scholar working on Physiology, Psychiatry and Mental health and Geriatrics and Gerontology. According to data from OpenAlex, L. Schaap has authored 90 papers receiving a total of 4.8k indexed citations (citations by other indexed papers that have themselves been cited), including 37 papers in Physiology, 16 papers in Psychiatry and Mental health and 15 papers in Geriatrics and Gerontology. Recurrent topics in L. Schaap's work include Nutrition and Health in Aging (28 papers), Frailty in Older Adults (14 papers) and Body Composition Measurement Techniques (14 papers). L. Schaap is often cited by papers focused on Nutrition and Health in Aging (28 papers), Frailty in Older Adults (14 papers) and Body Composition Measurement Techniques (14 papers). L. Schaap collaborates with scholars based in Netherlands, United Kingdom and Italy. L. Schaap's co-authors include Marjolein Visser, Saskia M.F. Pluijm, Dorly J. H. Deeg, Natasja M. van Schoor, Paul Lips, Annemarie Koster, Hanneke A. H. Wijnhoven, Anne B. Newman, Stephen B. Kritchevsky and Suzan van der Pas and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and American Journal of Clinical Nutrition.

In The Last Decade

L. Schaap

85 papers receiving 4.7k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Inflammatory Markers and Loss of Muscle Mass (Sarcopenia) and Strength

2006 799 citations L. Schaap, Dorly J. H. Deeg et al. profile →
Higher Inflammatory Marker Levels in Older Persons: Associations With 5-Year Change in Muscle Mass and Muscle Strength

2009 529 citations L. Schaap, D.J.H. Deeg et al. profile →
Associations of Sarcopenia Definitions, and Their Components, With the Incidence of Recurrent Falling and Fractures: The Longitudinal Aging Study Amsterdam

2017 352 citations L. Schaap, Natasja M. van Schoor et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
L. Schaap Netherlands	32	2.8k	744	584	536	487	90	4.8k
Debra L. Waters New Zealand	34	3.0k 1.1×	626 0.8×	524 0.9×	737 1.4×	481 1.0×	112	5.2k
Egle Perissinotto Italy	40	1.8k 0.7×	825 1.1×	617 1.1×	764 1.4×	297 0.6×	155	5.7k
T. B. Harris United States	27	4.0k 1.4×	957 1.3×	701 1.2×	1.2k 2.3×	547 1.1×	40	6.7k
Ignacio Ara Spain	43	2.9k 1.1×	649 0.9×	445 0.8×	1.3k 2.4×	382 0.8×	211	5.8k
Jason Leung Hong Kong	47	3.2k 1.2×	1.9k 2.5×	645 1.1×	934 1.7×	341 0.7×	203	7.2k
Harnish P. Patel United Kingdom	25	3.1k 1.1×	1.2k 1.6×	562 1.0×	412 0.8×	574 1.2×	80	4.8k
Fanny Petermann‐Rocha Chile	34	2.6k 0.9×	782 1.1×	397 0.7×	1.1k 2.1×	268 0.6×	250	4.8k
Charlotte Beaudart Belgium	43	5.1k 1.9×	2.1k 2.8×	972 1.7×	582 1.1×	571 1.2×	196	7.3k
Ellen F. Binder United States	38	1.5k 0.5×	905 1.2×	598 1.0×	360 0.7×	434 0.9×	106	4.7k
William D‐C Man United Kingdom	46	2.6k 1.0×	537 0.7×	280 0.5×	429 0.8×	512 1.1×	203	8.4k

Countries citing papers authored by L. Schaap

Since Specialization

Citations

This map shows the geographic impact of L. Schaap's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by L. Schaap with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites L. Schaap more than expected).

Fields of papers citing papers by L. Schaap

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by L. Schaap. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by L. Schaap. The network helps show where L. Schaap may publish in the future.

Co-authorship network of co-authors of L. Schaap

This figure shows the co-authorship network connecting the top 25 collaborators of L. Schaap. A scholar is included among the top collaborators of L. Schaap based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with L. Schaap. L. Schaap is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Visser, Marjolein, Katri Sääksjärvi, George L. Burchell, & L. Schaap. (2025). The association between muscle mass and change in physical functioning in older adults: a systematic review and meta-analysis of prospective studies. European Geriatric Medicine. 16(5). 1731–1748.

Deeg, Dorly J. H., Emiel O. Hoogendijk, Natasja M. van Schoor, L. Schaap, & Valéria Lima Passos. (2024). Joint Trajectories of Performance-Based and Self-Reported Physical Functioning in Older Adults: A 20-Year Longitudinal Study in the Netherlands. Journal of Aging and Health. 37(9). 507–516.

Wijnhoven, Hanneke A. H., et al.. (2024). The sex difference in self-rated health among older Turkish and Moroccan migrants in the Netherlands: an exploratory study of contributing determinants. BMC Public Health. 24(1). 248–248.

Hoogendijk, Emiel O., Noah A. Schuster, T.G. van Tilburg, et al.. (2022). Longitudinal Aging Study Amsterdam COVID-19 exposure index: a cross-sectional analysis of the impact of the pandemic on daily functioning of older adults. BMJ Open. 12(11). e061745–e061745. 5 indexed citations

Nooyens, Astrid C. J., Hanneke A. H. Wijnhoven, L. Schaap, et al.. (2022). Sex Differences in Cognitive Functioning with Aging in the Netherlands. Gerontology. 68(9). 999–1009. 24 indexed citations

Herbolsheimer, Florian, Nadine Ungar, Erja Portegijs, et al.. (2021). Neighborhood environment, social participation, and physical activity in older adults with lower limb osteoarthritis: A mediation analysis. Health & Place. 68. 102513–102513. 15 indexed citations

Schaap, L., Sandra H. van Oostrom, H. Susan J. Picavet, et al.. (2021). The sex difference in gait speed among older adults: how do sociodemographic, lifestyle, social and health determinants contribute?. BMC Geriatrics. 21(1). 340–340. 28 indexed citations

Oostrom, Sandra H. van, Hanneke A. H. Wijnhoven, H. Susan J. Picavet, et al.. (2020). Sex differences in mental health among older adults: investigating time trends and possible risk groups with regard to age, educational level and ethnicity. Aging & Mental Health. 25(12). 2355–2364. 23 indexed citations

Siviero, Paola, Federica Limongi, Sabina Zambon, et al.. (2020). Factors Associated With Functional Decline in Hand and Hip/Knee Osteoarthritis After One Year: Data From a Population‐Based Study. Arthritis Care & Research. 73(9). 1343–1353. 7 indexed citations

10.

Visser, Marjolein, L. Schaap, Hans Hobbelen, Stany Perkisas, & Walther Sipers. (2019). Sarcopenie: screening en diagnose. Nederlandsch tijdschrift voor geneeskunde/Nederlands tijdschrift voor geneeskunde/NTvG-databank. 163(1). 1–7. 3 indexed citations

11.

Fuchs, Dagmar, et al.. (2017). The association between diabetes and dermal microvascular dysfunction non-invasively assessed by laser Doppler with local thermal hyperemia: a systematic review with meta-analysis. Cardiovascular Diabetology. 16(1). 11–11. 94 indexed citations

12.

Timmermans, Erik J., Suzan van der Pas, Cyrus Cooper, et al.. (2016). The neighbourhood environment and use of neighbourhood resources in older adults with and without lower limb osteoarthritis: results from the Hertfordshire Cohort Study. Clinical Rheumatology. 35(11). 2797–2805. 4 indexed citations

13.

Reinders, Ilse, Marjolein Visser, & L. Schaap. (2016). Body weight and body composition in old age and their relationship with frailty. Current Opinion in Clinical Nutrition & Metabolic Care. 20(1). 11–15. 66 indexed citations

14.

Schaap, L. & Anders Lidström. (2015). Comparing citizenship in city-regions : An Introduction. Journal of Urban Affairs. 4 indexed citations

15.

Peeters, Geeske, Mohamad Alshurafa, L. Schaap, & Henrica C. W. de Vet. (2014). Diagnostic accuracy of self-reported arthritis in the general adult population is acceptable. Journal of Clinical Epidemiology. 68(4). 452–459. 66 indexed citations

16.

Schaap, L., et al.. (2009). Lokale referenda in Nederland sinds 1990. Data Archiving and Networked Services (DANS). 19(8). 23–31. 3 indexed citations

17.

Schoor, Natasja M. van, Willem de Ronde, L. Schaap, et al.. (2009). Low free testosterone levels are associated with prevalence and incidence of depressive symptoms in older men. Clinical Endocrinology. 72(2). 232–240. 57 indexed citations

18.

Brandsen, Taco, et al.. (2008). Leren afrekenen : Verslag van een voorlopige evaluatie van lokale rekenkamer(commissie)s. Data Archiving and Networked Services (DANS). 62(5). 72–93.

19.

Boogers, Marcel & L. Schaap. (2007). Bestuurskracht : wat moeten we ermee? - een stand van zaken. Data Archiving and Networked Services (DANS). 16(2). 5–14. 1 indexed citations

20.

Schaap, L., et al.. (2006). Interleukin-6, C-reactive protein and α1-antichymotrypsin as determinants of loss of muscle strength and muscle mass (sarcopenia): the Longitudinal Aging Study Amsterdam (LASA).. The American Journal of the Medical Sciences. 119. 8 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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