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Czasopismo

2012 | 71 | 3 |

Tytuł artykułu

The relationship between the carrying angle and the distal extent of the 2nd and 4th fingertips

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The angle towards the lateral side between the arm and forearm when the forearm is in full extension and supination is defined as the carrying angle. It is well known that the 2nd finger is longer in women whereas the 4th finger is longer in men, due to in-utero hormonal effects. In the present study, the relationship between the carrying angle and the distal extent of the 2nd and 4th fingertips is studied. The findings reveal that the carrying angle was greater both in left and right sides in women than in men. In addition, while the distal extent of the 2nd fingertips was longer in women, the 4th fingertip was longer in men. There was a moderately positive correlation between the carrying angle and the distal fingertip lengths. Therefore, it could be suggested that the morphometric factors play role on the distal extent of the fingertips other than the hormonal effects. (Folia Morphol 2012; 71, 3: 173–177)

Słowa kluczowe

Wydawca

-

Czasopismo

Rocznik

Tom

71

Numer

3

Opis fizyczny

p.173-177,fig.,ref.

Twórcy

autor
  • Medical Faculty of Cumhuriyet University, Department of Anatomy, Sivas, 58140 Sivas, Turkey
autor
  • Medical Faculty of Cumhuriyet University, Department of Anatomy, Sivas, 58140 Sivas, Turkey
autor
  • Medical Faculty of Cumhuriyet University, Department of Anatomy, Sivas, 58140 Sivas, Turkey
autor
  • Medical Faculty of Cumhuriyet University, Department of Anatomy, Sivas, 58140 Sivas, Turkey

Bibliografia

  • 1. Atkinson WB, Elftman H (1945) The carrying angle of the human arm as a secondary sex character. Anat Record, 91: 49–52.
  • 2. Almasry SM, El Domiaty MA, Algaidi SA, Elbastawisy YM, Safwat MD (2011) Index to ring digit ratio in Saudi Arabia at Almadinah Almonawarah province: a direct and indirect measurement study. J Anat, 218: 202–208.
  • 3. Baker F (1888) Anthropological notes on the human hand. Am Anthropol, 1: 51–75.
  • 4. Chai XJ, Jacobs LF (2012) Digit ratio predicts sense of direction in women. PLoS One, e32816, 7(2).
  • 5. Hiraishi K, Sasaki S, Shikishima C, Ando J (2012) The second to fourth digit ratio (2D:4D) in a Japanese twin sample: heritability, prenatal hormone transfer, and association with sexual orientation. Arch Sex Behav [Epub ahead of print].
  • 6. Honekopp J, Watson S (2010) Meta-analysis of digit ratio 2D:4D shows greater sex difference in the right hand. Am J Human Biol, 22: 619–630.
  • 7. Kilduff LP, Cook CJ, Manning JT (2011) Digit ratio (2D:4D) and performance in male surfers. J Strength Cond Res, 25: 3175–3180.
  • 8. Kratochvil L, Flegr J (2009) Differences in the 2nd to 4th digit ratio in humans reflect shifts along the common allometric line. Biol Lett, 5: 643–646.
  • 9. Kumar B, Pai S, Ray B, Mishra S, Siddaraju KS, Pandey AK, Binu S (2010) Radiographic study of carrying angle and morphometry of skeletal elements of human elbow. Romanian J Morphol Embryol, 51: 521–526.
  • 10. London JT (1981) Kinematics of the elbow. J Bone Joint Surg Am, 63: 529–535.
  • 11. Manning JT, Scutt D, Wilson J, Lewis-Jones RS (1998) The ratio of 2nd to 4th digit length: a predictor of sperm numbers and concentrations of testosterone luteinizing hormone and oestrogen. Hum Reprod, 13: 3000–3004.
  • 12. Napier J (1980) Hands. Pantheon Boks, New York.
  • 13. Paraskevas G, Papadopoulos A, Papaziogas B, Spanidou S, Argiriadou H, Gigis J (2004) Study of the carrying angle of the human elbow joint in full extension: a morphometric analysis. Surg Radiol Anat, 26: 19–23.
  • 14. Peters M (1998) Description and validation of a flexible and broadly usable handedness questionnaire. Laterality, 3: 77–96.
  • 15. Peters M, Mackenzie K, Bryden P (2002) Finger length and distal finger extend patterns in humans. Am J Physical Anthropol, 117: 209–217.
  • 16. Purkait R, Chandra H (2004) An anthropometric investigation into the probable cause of formation of ‘carrying angle’: a sex indicator. J Indian Academy Forensic Med, 26: 19–23.
  • 17. Potter HP (1895) The obliquity of the arm of the female in extension. The relation of the forearm with the upper arm in flexion. J. Anat, 29: 488–493.
  • 18. Puts DA, Gaulin SJC, Sporter RJ, Mc Burney DH (2004) Sex hormones and finger length: what does 2D:4D indicate? Evol Hum Behav, 25: 182–199.
  • 19. Puts DA, McDaniel MA, Jordan CL, Breedlove SM (2008) Spatial ability and prenatal androgens: meta-analyses of CAH and digit ratio (2D:4D) studies. Arch Sex Behav, 37: 100–111.
  • 20. Robertson J, Zhang W, Liu JJ, Muir KR, Maciewicz RA, Doherty M (2008) Radiographic assessment of the index to ring finger ratio (2D:4D) in adults. J Anat, 212: 42–48.
  • 21. Romich S (1932) Fingerlangen bei verschiedenen Konstitutionstypen (Finger lengths in different somatotypes). Anthropologischer Anzeiger, 9: 254–267.
  • 22. Ruparelia S, Patel S, Zalawadia A, Shah S, Patel SV (2010) Study of carrying angle and its correlation with various parameters. NJIRM, 1: 28–32.
  • 23. Vehmas T, Solovieva S, Leino-Arjas P (2006) Radiographic 2D:4D index in females: no relation to anthropometric, behavioural, nutritional, health-related, occupational or fertility variables. J Negat Results Biomed, 25: 5–12.

Typ dokumentu

Bibliografia

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