Essential Biology 11.2: Muscles and Movement.

Click4Biology page here.

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Joints and the Skeleton:

Hip, shoulder, ankle, foot, knee from Mid South Orthopedics

Ball and socket joint from FreezeRay

Inside the knee from choroknamu

Antagonistic pair from FreezeRay

Muscles and Contraction:

Full tutorial from Brooks Cole

Great explanation from Campbell Biology

And another from McGraw Hill

Actin and myosin from Blackwell

Nice sarcomere animation and histology, from Blue Histology:

Can you explain the steps using all the key terms?

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Neuromuscular junction:

McGraw Hill – Freeman – Blackwell

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Key terms: neuromuscular, bones, ligaments, muscles, nerves, tendons, cartilage, synovial, antagonistic, biceps, triceps, joints, striated, skeletal, sarcomere, myofibril, light, dark, band, mitochondria, sarcoplasmic reticulum, nuclei, sarcolemma, Z lines, H bands, actin, myosin, filaments, cross-bridges, contraction, ATP, calcium,