It is quite thoroughly researched and as far as I can remember again involves "the GATE Theory of pain ". I do believe there is a group in AUS studying it however below you can find a reference list from pubmed (I entered "sterile water injections" AND "back pain in labour":
Balsbaugh TA. Related Articles, Links
Cutaneous injections of sterile water for the relief of labor pain.
J Fam Pract. 1999 Oct;48(10):746-7. No abstract available.
PMID: 12224665 [PubMed - indexed for MEDLINE]
2: Martensson L, Nyberg K, Wallin G. Related Articles, Links
Subcutaneous versus intracutaneous injections of sterile water for
labour analgesia: a comparison of perceived pain during administration.
BJOG. 2000 Oct;107(10):1248-51.
PMID: 11028576 [PubMed - indexed for MEDLINE]
3: Reynolds JL. Related Articles, Links
Sterile water injections relieve back pain of labor.
Birth. 2000 Mar;27(1):58-60. No abstract available.
PMID: 10865563 [PubMed - indexed for MEDLINE]
4: Martensson L, Wallin G. Related Articles, Links
Labour pain treated with cutaneous injections of sterile water: a
randomised controlled trial.
Br J Obstet Gynaecol. 1999 Jul;106(7):633-7.
PMID: 10428516 [PubMed - indexed for MEDLINE]
5: Labrecque M, Nouwen A, Bergeron M, Rancourt JF. Related Articles,
Links
A randomized controlled trial of nonpharmacologic approaches for relief
of low back pain during labor.
J Fam Pract. 1999 Apr;48(4):259-63.
PMID: 10229249 [PubMed - indexed for MEDLINE]
6: Reynolds JL. Related Articles, Links
Practice tips. Intracutaneous sterile water injections for low back
pain during labour.
Can Fam Physician. 1998 Nov;44:2391-2. No abstract available.
PMID: 9839056 [PubMed - indexed for MEDLINE]
7: Reynolds JL. Related Articles, Links
Intracutaneous sterile water for back pain in labour.
Can Fam Physician. 1994 Oct;40:1785-8, 1791-2.
PMID: 7950471 [PubMed - indexed for MEDLINE]
8: Trolle B, Moller M, Kronborg H, Thomsen S. Related Articles, Links
The effect of sterile water blocks on low back labor pain.
Am J Obstet Gynecol. 1991 May;164(5 Pt 1):1277-81.
PMID: 2035569 [PubMed - indexed for MEDLINE]
9: Ader L, Hansson B, Wallin G. Related Articles, Links
Injections of sterile water for labour pain.
Nurs Times. 1991 Feb 6-12;87(6):53. No abstract available.
PMID: 1825354 [PubMed - indexed for MEDLINE]
10: Ader L, Hansson B, Wallin G. Related Articles, Links
Parturition pain treated by intracutaneous injections of sterile water.
Pain. 1990 May;41(2):133-8.
PMID: 2142271 [PubMed - indexed for MEDLINE]
11: Lytzen T, Cederberg L, Moller-Nielsen J. Related Articles, Links
Relief of low back pain in labor by using intracutaneous nerve
stimulation (INS) with sterile water papules.
Acta Obstet Gynecol Scand. 1989;68(4):341-3.
PMID: 2533452 [PubMed - indexed for MEDLINE]
----- Original Message -----
From: "Trish David" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, April 17, 2004 10:50 PM
Subject: Re: [ozmidwifery] back pain
> I have just had this asked of me by a medical student in a tutorial on
> assessment of progress and care in physiological labour. I couldn't
answer,
> though vaguely remember it as part of a placebo trial in the 90s? Anyone?
> Trish
>
> Ken WArd wrote:
>
> > Have heard about the effectiveness of water injections for back pain in
> > labour. Does any one know of workshops for this in Melbourne? Maureen
> >
> > Ken & Maureen Ward
> > [EMAIL PROTECTED]
> >
>
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