However, in 2004, Maher concluded that " Physical treatments, such as acupuncture, backschool, hydrotherapy, lumbar supports, magnets, TENS, traction, ultrasound, Pilates therapy, Feldenkrais therapy, Alexander technique, and craniosacral therapy are either of unknown value or ineffective and so should not be considered " when treating lower back pain with an evidence-based approach.

However, his training in Wolgemut's studio, which made many carved and painted altarpieces and both designed and cut woodblocks for woodcut, evidently gave him great understanding of what the technique could be made to produce, and how to work with block cutters.

However, Teochew cuisine is also influenced by Cantonese cuisine in its style and technique.

However, the need to actually prepare for a duel with " sharps " vanished, changing both training and technique.

However, with the proper choice of h, one can use the technique of rolling hash to compute all those hashes with an effort proportional to k + n.

However, hidden Tleilaxu conditioning kicks in, and Duncan responds with an equal technique, one that overwhelms Murbella.

However, by far the most influential method was the original " eye-fixation " technique of Braid, also known as " Braidism ".

However, many cognitive and behavioral therapies were themselves originally influenced by older hypnotherapy techniques, e. g., the systematic desensitisation of Joseph Wolpe, the cardinal technique of early behavior therapy, was originally called " hypnotic desensitisation " and derived from the Medical Hypnotism ( 1948 ) of Lewis Wolberg.

However, other scientists have written that " the full potential PCR was not realized " until Mullis ' work in 1983, and that Mullis ' colleagues failed to see the potential of the technique when he presented it to them.

However, there are no exact details of Musashi's life, since Musashi's only writings are those related to strategy and technique.

However, the technique suffers from low light intensity in final image of many biological samples, and continues to be affected by low apparent resolution.

However before mind maps are generally adopted as a study technique, consideration has to be given towards ways of improving motivation amongst users.

" However, whilst a few historians chose to challenge her theories, most simply chose to ignore them as irrelevant, and as later folklorist and vocal critic of the theory Jacqueline Simpson noted, " Normally this is an effective technique for ensuring the oblivion of bad books, but in this case it backfired, since it left her theory free to spread, seemingly unchallenged, among an eager public.

However, he also acknowledged that, while greatly improving his trumpet playing technique, Juilliard helped give him a grounding in music theory that would prove valuable in later years.

However, as we will see below, they are distinct from the geometric microliths because of the strokes used in the manufacture of geometric microliths, which mainly involved the microburin technique.

However the sport had not shaken its reputation as a street-fighting technique.

However the glide remains popular, especially at the amateur level and among women, since the technique leads to greater consistency compared to the rotational technique.

However, the Chinese developed a technique in the 1990s in which a penholder uses both sides of the racket to hit the ball, where the player produces a backhand stroke ( most often topspin ) by turning the traditional side of the racket to face one's self, and striking the ball with the opposite side of the racket.

However, other tunings are occasionally employed, both in classical music, where the technique is known as scordatura, and in some folk styles.

However, in the T-carrier systems used in the U. S. and Canada, a technique called bit-robbing uses, in every sixth frame, the least significant bit in the time slot associated with the voice channel for Channel Associated Signaling ( CAS ).

However, rotoscoping made the animation look stiff and the technique was later used more for studying human and animal movement, rather than directly tracing and copying filmed movements.

However, this technique is less well understood than the simpler magnetic sail and issues of how large and heavy the magnetic coil would have to be or whether the momentum from the solar wind can be efficiently transferred to the spacecraft are under dispute.

However, as ski runs are generally of finite width and a skier using this technique to slow will eventually move sideways to the edge of the run.

However, the technique is not simple to learn, at least before the introduction of " shaped skis " in the 1990s.

However, expressing these properties as axioms requires use of second-order logic.

However, to go further requires new capacities that combine the clarity of intellectual thought with the imagination, and beyond this with consciously achieved inspiration and intuitive insights.

However travel through very remote areas, on isolated tracks, requires planning and a suitable, reliable vehicle ( usually a four-wheel drive ).

However the IRS now requires barter exchanges to be reported as per the Tax Equity and Fiscal Responsibility Act of 1982.

However the Bill of Rights of 1689 requires Parliamentary consent for the Crown to maintain a standing army in peacetime.

However, the discrete and separate nature of the molecular concept usually requires that molecular ions be present only in well-separated form, such as a directed beam in a vacuum in a mass spectrograph.

However, its practical limitations — it requires the sun to shine and does not work at all during the night — encouraged the use of other techniques for measuring time.

However, firing a pistol effectively at any significant range requires good training, since the absence of a buttstock makes precise ranged aim difficult.

However, this tends to be complicated by the fact that this requires finding the roots of a high degree polynomial, and there can be multiple roots that represent local maxima.

However, U. S. law permits " blended " whisky to contain up to 80 % un-aged grain neutral spirits ( with an age statement on the label that refers only to the " straight " part of the blend ), while Canadian law requires that all of the spirits in a Canadian whisky be aged for at least three years.

However a high index of suspicion is appropriate, since diarrhea and bloating are also symptoms of typhlitis, a very serious and potentially life-threatening medical emergency which requires immediate treatment.

However, attempts made in closed-door sessions at the Fourth Plenary Session of the 17th Communist Party of China's Central Committee in September 2009 to grapple with these problems produced inconclusive results, although a directive which requires disclosure of investments and property holdings by party and governmental officials was passed.

However, existing law requires judicial approval of all class action settlements, and in most cases class members are given a chance to opt out of class settlement, though class members, despite opt-out notices, may be unaware of their right to opt out because they did not receive the notice, did not read it, or did not understand it.

However, often, the required output signal is another analog output signal, which requires a digital-to-analog converter ( DAC ).

However this behaviour is application-specific, and requires that the application maintains a catalog of known URNs to resolve them into the notations that have been parsed in a standard SGML or XML parser.

However, DSN tracking requires many skilled operators, and the DSN is overburdened by its use as a communications network.

However, technology transfer requires knowledgeable managers and engineers who are able to operate new machines or production practices borrowed from the leader in order to close the gap through imitation.

However, electrolysis requires an external source of electrical energy to induce a chemical reaction, and this process takes place in a compartment called an electrolytic cell.

However, the church asserts that Apostolic Succession also requires Apostolic Faith, and bishops without Apostolic Faith, who are in heresy, forfeit their claim to Apostolic Succession.

However, technology maturity requires a further understanding of the technology itself.

However, if the decomposition into given above is possible, then requires storing 4 values, requires storing values, and again requires storing just 4 values.

However, due to lack of intermediate elements, this process requires three helium nuclei striking each other nearly simultaneously ( see triple alpha process ).

However, the inquest should set out as many of the facts as the public interest requires.