Muscle contraction. Part 1, The contractile process.

Date:
1971
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Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

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Credit

Muscle contraction. Part 1, The contractile process. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.

About this work

Description

The first part of a two-part lecture. The structure of the muscle fibre is reviewed, followed by an outline of the history of various theories of muscle contraction. Professor Huxley describes his own experimental work, shows film of muscle contraction under interference microscopy, and outlines the thinking that led to the development of the sliding filament theory of muscle contraction. The programme finishes with a summary of the mechanisim of force generation. 8 segments.

Publication/Creation

London : University of London Audio-Visual Centre, 1971.

Physical description

1 encoded moving image (39.20 min.) : bsd., black and white.

Series

Contributors

Duration

00:39:20

Copyright note

University of London

Terms of use

Unrestricted
CC-BY-NC
Creative Commons Attribution-Non-Commercial 2.0 UK: England & Wales

Language note

In English

Creator/production credits

Presented by Professor Andrew Huxley, University College London. Introduced by Dr Ian Gilliland. Produced by Peter Bowen. Research films by Professor Huxley in association with Dr R Niedergerke, Dr RE Taylor and Dr AM Gordon. Other film sequences courtesy of Columbia University Educational Films. Electron micrographs by LD Peachey. Made by University of London Audio-Visual Centre. Made for British Postgraduate Medical Federation.

Notes

This video is one of around 310 titles, originally broadcast on Channel 7 of the ILEA closed-circuit television network, given to Wellcome Trust from the University of London Audio-Visual Centre shortly after it closed in the late 1980s. Although some of these programmes might now seem rather out-dated, they probably represent the largest and most diversified body of medical video produced in any British university at this time, and give a comprehensive and fascinating view of the state of medical and surgical research and practice in the 1970s and early 1980s, thus constituting a contemporary medical-historical archive of great interest. The lectures take place in a small and intimate studio setting, often face-to-face with the camera - testing the lecturers' abilities to integrate visual aids within reach. Some of the lecturers are telegenic and some are clearly uncomfortable with this medium.

Contents

Segment 1 Gilliland introduces Huxley. Huxley begins the lecture by describing in detail the anatomy of a muscle. Time start: 00:00:00:00 Time end: 00:04:44:00 Length: 00:04:44:00
Segment 2 Huxley describes the appearance of muscle fibres, using photomicrographs to illustrate his points. Time start: 00:04:44:00 Time end: 00:09:32:13 Length: 00:04:48:13
Segment 3 Huxley shows the first part of a short film which shows muscle striation patterns during contraction. Time start: 00:09:32:13 Time end: 00:15:04:13 Length: 00:05:32:13
Segment 4 Huxley shows diagrams which further illustrate the areas covered by the film. Then he shows the film again, with reference to specific sections. Time start: 00:15:04:13 Time end: 00:20:15:00 Length: 00:05:10:12
Segment 5 Huxley shows the second part of the short film, this time looking at the maximum length for muscle contraction. Time start: 00:20:15:00 Time end: 00:26:05:10 Length: 00:05:50:10
Segment 6 Huxley describes, using diagrams, the sliding movements that happen between filaments in muscle fibres. Time start: 00:26:05:10 Time end: 00:30:22:00 Length: 00:04:16:15
Segment 7 Huxley shows diagrams which detail striation patterns in muscle contractions. Time start: 00:30:22:00 Time end: 00:35:15:00 Length: 00:04:53:00
Segment 8 Huxley sums up and concludes the lecture. Time start: 00:35:15:00 Time end: 00:39:20:19 Length: 00:04:05:19

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