Locomotion and Movement
BiologyClass 11
The sliding filament theory, sarcomere band changes, and the cross-bridge cycle. Learn why the A band never changes width. 3-4 NEET questions every year.
Key Topics in this Chapter
Sliding filament theoryA band, I band, H zoneActin and myosinTroponin and calciumCross-bridge cycle
Interactive 3D Labs for this Chapter
Sliding Filament
3DSliding Filament Theory — Nothing Shortens, Everything Slides
3-4 NEET questions
Muscle and Movement 3D
3DSarcomere to Movement 3D Lab — Muscle Fibre, Cilia and Flagella
3-4 NEET questions
Human Skeleton Joints 3D
3DHuman Skeleton & Joint Atlas — Axial, Appendicular and How Bones Meet
2-3 NEET questions
Want to explore all biology chapters?
See all biology labs→