© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 Describe how coordinated movement requires the action of skeletal muscles about joints, with reference to the elbow joint. Compare and contrast the action of synapses and neuromuscular junctions.

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 The biceps and triceps muscles act antagonistically to move the forearm at the elbow

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 The elbow is an example of a synovial joint

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 Operation of the neuromuscular junction

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 The response of isolated whole muscles to electrical stimulation

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 Outline the structural and functional differences between voluntary, involuntary and cardiac muscle.

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 Three types of muscle

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 Smooth muscle arrangement in the gut

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 Cardiac muscle representation

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 The structure of skeletal muscle

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 Explain, with diagrams and photographs, the sliding-filament model of muscular contraction. Outline the role of ATP in muscular contraction, and how the supply of ATP is maintained in muscles.

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 (a) Diagram showing a section of myofibril to reveal sarcomere layout; (b) diagram showing the bands and zones present. (b) (a)

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 (a) Thin filament structure and (b) thick filament structure (a) (b)

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 One thick filament is surrounded by six thin filaments

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 The banded pattern shown in micrographs is due to the overlapping regions of the two types of fibre

© Pearson Education Ltd 2009 This document may have been altered from the original Week 29 Cycle of attachment, tilt backwards and detachment of head groups leads to muscular contraction