EHS 300 Chapter Notes - Chapter 5: Iliac Crest, Hydrostatic Weighing

• School: UMass Boston
• Department: Exercise and Health Science
• Course: EHS 300
• Professor: Camhi Sarah

Document Summary

Lab, indirect 2c fat and fat free mass. Advantages: 5 to 10 min, more accurate that bia methods. Disadvantage: 20 40 min to calibrate, uncomfortable. Sources of error: eating, moving, drinking, incorrect clothes. Ad(cid:448)a(cid:374)tage: (cid:373)ost a(cid:272)(cid:272)urate (cid:862)gold (cid:373)ethod(cid:863) , 5 to 15 (cid:373)i(cid:374). for test. Disadvantage: too many restri(cid:272)tio(cid:374)s, preg(cid:374)a(cid:374)t (cid:449)o(cid:373)e(cid:374) (cid:272)a(cid:374)"t test (cid:271)e(cid:272)ause of radiatio(cid:374), expensive. Sources of error: hands not close to body, feet not together, metal artifacts, full pockets, movement. Advantage: inexpensive, not a lot of time, easy and fast to do, Disadvantage: not accurate as adp, set of rules to follow. 73% body water in fat free body mass. Fat (cid:272)ells ha(cid:448)e little (cid:449)ater, do(cid:374)"t (cid:272)o(cid:374)du(cid:272)t (cid:449)ell. Sources of error: remove socks, no eat/drink 4hours prior. Protocol: take off shoes, remove extra clothes and things in pockets. Assumptions: as body size increase bmi increases linear perspective. Sour(cid:272)es of error: hairdo, extra (cid:272)lothes, (cid:271)e at le(cid:448)el of perso(cid:374)"s height.