Transcript A2 muscle and bone

Week 29
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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.
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Week 29
The biceps and triceps muscles act antagonistically to move the forearm at the
elbow
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Week 29
The elbow is an example of a synovial joint
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Week 29
Operation of the neuromuscular junction
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Week 29
The response of isolated whole muscles
to electrical stimulation
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Week 29
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Outline the structural and functional differences between voluntary,
involuntary and cardiac muscle.
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Week 29
Three types of muscle
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Week 29
Smooth muscle arrangement in the gut
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Week 29
Cardiac muscle representation
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Week 29
The structure of skeletal muscle
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Week 29
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Explain, with diagrams and photographs, the sliding-filament model of
muscular contraction.
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Outline the role of ATP in muscular contraction, and how the supply of ATP is
maintained in muscles.
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Week 29
(a) Diagram showing a section of myofibril to reveal sarcomere layout;
(b) diagram showing the bands and zones present.
(a)
(b)
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Week 29
(a) Thin filament structure and (b) thick filament structure
(a)
(b)
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One thick filament is surrounded by six thin filaments
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The banded pattern shown in micrographs is due to the overlapping regions of
the two types of fibre
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Cycle of attachment, tilt backwards and detachment of head groups leads to
muscular contraction
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