The Physiotherapist's Pocketbook: Essential Facts at Your Fingertips, 3e (Physiotherapy Pocketbooks)

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thin filaments. These are formed mainly of the protein actin but tics. In Table 1.1 muscle fibre types are classified according to speed is generated when a muscle produces movement than with an iso- port to the muscle and increases the muscle's ability to generate

U0ctW i::( : wtmhoera ksoluxoryaegdde, nVb y0c o2g naisnt ecanrnet alsoyefss i esex xoppifor etnhdee n atoirax. lylgyDe auntr itcnhogen tseetxanertrt c ooisffe ei nxasetp rciair seecd o unanistrti alv nsit. ecdinuecrneitn igas t s ettxialeklr icgnirsgee a.u tWepr oiitnxhy tgaraenirno; ebtdihc ei rnterdafioivnrieidn utgha letsh .a er tteisrsiouvese nboeucso omxey gmeno rdei feffefri- If0cWU :--(: o contractile elements of the muscle. The myofibrils are composed of fil- supplies a group of muscle fibres within a muscle; this is called a oThe A band is mostly made of myosin and does not change in length Muscles are well supplied with blood vessels. There are many capillar- metric contraction of the same muscle where no movement is force. Following a strength training programme, increased collagen

with contraction. The I band is mostly made of actin but there is also ies in the endomysium to deliver oxygen and other nutrients and to ozw utankteiln iut pis inre tlehaes eludn gats tahned eixs ecrcairsriinegd tairsosuuensd. Othxey gbeond yu pbtya kthee c balno obde cmisoer eb loeaosdil yfl;o wth etroe fthoree t itshsuee sa ritnecrrieoavseenso, uasn do xhyageemn odgilfofberienn dcies swocidiaetnes oZw Oxygen uptake over time during steady-state and incremental Ventilation increases linearly with oxygen uptake and carbon diox-ventilatory threshold. With continued exercise a further rise in ven- Powers S, I lowley E (2004) r,xercise Physiology: Theory and Application to Fitness the muscle by diverting blood flow into the capillary network of the Ihe arteriovenous oxygen difference is a measure of the amount of oxy-