Movement and Locomotion (1)

Biology

Not quite remember

I easily remember

Biceps and triceps

Muscles that involved in the mechanism of movement in the forearm

Biceps

Muscles in the upper arm

Triceps

Muscles in the lower arm

Antagonistic muscles

Pairs of muscles (or muscle groups) that oppose each other in function

Leg movements through antagonistic muscle pairs

The biceps femoris is the flexor whereas the quadriceps femoris is the extensor

Arm bending (1)

When the biceps contracts, the pull force is transmitted to the radius through the tendon

Arm straigthening

When the triceps muscle contracts, the biceps muscle relaxes

Mechanism of locomotion in fish

The fish vertebral column is flexible and can be moved from side to side by the contraction and relaxation of myotome

Myotome characteristic

W-shaped muscle segment

Mechanism of locomotion in bird

The action of the large and strong antagonistic muscles on a bird’s chest assist in the flapping of the wings

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