Source: Can. J. Spt. Sci.; 15(4) 244-248
Title: The effects of elastic tights on the post-exercise response
Authors: Berry MJ, Bailey SP, Simpkins LS, TeWinkle JA
Year: 1989
Type of reference: Clinical trial
Garment type: Elastic tights
No. of subjects: 8 males
Summary of trial: Aim of experiment – to determine effects of elastic
tights on venous lactate level sand the post-exercise response
Subjects ran on treadmill for up to three minutes at 110% VO2max
Conditions – elastic tights worn during exercise and recovery; elastic
tights worn during exercise only; no elastic tights won during exercise or recovery
Oxygen consumption, heart rates and venous blood sample for lactate and haemotocrit
determination obtained
Analysis revealed no significant differences in any of the above variables
Results indicate that use of elastic tights will not significantly affect post-exercise
response or circulating lactate levels
Other points of interest in discussion in this paper:
Despite fact that elastic compression stocking were designed for bedridden patients
with peripheral vascular disease, a number of studies have confirmed fact that
these garments alter venous haemodynamics and increase venous return in individuals
with peripheral vascular disease and those with normal vascular systems (Lawrence
D and Kakkar VV (1980) Graduated, static, external compression of lower limb:
A physiological assessment. Br. J. Surg. 67: 119-121; Lewis et al (1976). Elastic
compression in prevention of venous stasis. A critical reevaluation. Am. J.
Surg. 132:739-743; Norris CS and Barnes RW (1984). Noninvasive quantification
of ambulatory venous haemodynamics during elastic compressive therapy. Angiology.
54:560-567; Sigel B et al (1975). Types of compression for reducing venous stasis:
A study of lower extremities during inactive recumbency. Arch. Surg. 110:171-175)
It has been shown that in order for elastic compression to mimic haemodynamic
effect of exercise and to increase venous return the pressure exerted by garment
should be graduated with a minimum pressure of 18mmHg at ankles and 8mmHg at
midthigh (Lawrence D and Kakkar VV (1980) Graduated, static, external compression
of lower limb: A physiological assessment. Br. J. Surg. 67: 119-121)
Results of this investigation failed to prove any direct or indirect evidence
to suggest that elastic tights will enhance athletic performance. In addition,
there is no evidence to suggest that use of elastic tights will prove deleterious
to the athlete.
Source: American Journal of Sports Medicine; 23(2):251-55
Title: The effect of elastic bandages on human knee proprioception
in the uninjured population
Authors: Perlau R, Frank C, Fick G
Year: 1995
Type of reference: Clinical trial
Garment type: Elastic knee bandage
No. of subjects: 54, aged 22-40
Summary of trial: Aim of experiment – test hypothesis that elastic bandages
improve proprioception of bandaged joint during their use, and that this benefit
was more than temporary
Subjects asked to identify a prior set joint angle as their knee was passively
extended
Each knee tested without elastic bandage, immediately after bandage application,
after 1 hour of bandage wear, after removal of bandage
Results – elastic bandages:
- significantly improved knee joint proprioception in uninjured knee during
entire interval of their use and that this benefit was lost when bandage was
removed
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