Step aerobics class, low section

Man walking on dock, waist down

Businesspeople crossing street, low section

Child running in surf at the beach

Child wrapped in towel walking on wet sand

Businessmen walking, lower section

Woman in dress and flipflops walking, chest down, blurred motion

Businessman standing on highest step, cropped

Woman stepping on artificial turf, crushing gerbera daisy with foot, cropped view

Child splashing in pool water, close-up of legs

Man running on treadmill, waist down

Person climbing stairs, low section, blurred motion

Step 1 of a Cesarian section delivery.

Step 5 of a Cesarian section delivery.

Cross-section of small synovial joint showing progression of disease of rheumatoid arthritis: step 1.

X-ray of a foot

Cross-section of small synovial joint showing progression of disease of rheumatoid arthritis: step 3.

Arrows heading towards a hand held bulls eye

Cold prevention

Two businessmen walking on street

Side profile of a woman sitting on the bed and hugging her knees

Low section view of a person standing on a weighing scale

The side of a womans head and shoulders and the legs of someone sitting in a chair

Low section view of a woman wearing boots

Step aerobics, low section