1) Cardiac muscle is... a) found everywhere b) unique to the heart c) located in the abdomen 2) Muscle fibres which use oxygen well are called: a) slow twitch b) fast twitch c) full twitch 3) Muscle contractions which cause movement are: a) isometric b) isotonic c) isothematic 4) Chest muscles used in the tennis forehand are the: a) pectorals b) trapezius c) latissimus dorsi 5) There is no movement from contraction which is: a) isotonic b) isokinetic c) isometric 6) A pair of muscles working together would be biceps and: a) triceps b) abdominals c) hamstrings

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