Movement (musculo-skeletal system) 11.2 (HL)

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The syllabus (HL 11.2)syllabus asyllabus b


Joints as levers – some essential Physics (which we all love!)joints as levers


The ELBOW joint – a synovial, hinge joint

elbow_med


A general powerpoint: muscles and movement


Build an elbow: 


COMPARING THE ANTAGONISTIC MUSCLES OF AN INSECT AND HUMAN:


THE SLIDING FILAMENT EXPLANATION OF MUSCLE CONTRACTION

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muscle contraction

Powerpoint learning:Mechanism of Muscle Contraction ppt Dry but clear and accurate, and includes the role of Calcium ions and ATP hydrolysis.

Another learning powerpointmuscle contraction


Animationhttps://www.youtube.com/watch?v=Cjx3vSm54N8


Photomicrographs of contracted and relaxed striped muscle:

muscle contraction relaxation micro 2


An assignment for learning about the way muscle contracts: 


IB Past paper questions


Not to forget some reading – this time from the SNABS Advanced Level Biology course:

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Eyyy! edited small