The phrase "arm crunches" is correct and usable in written English.
It can be used when referring to a specific type of exercise that targets the arms, often used in fitness contexts.
Example: "In today's workout, we will focus on arm crunches to strengthen our biceps and triceps."
Alternatives: "arm exercises" or "arm workouts".
One day, Diego said he was playing soccer on a concrete basketball court when he fell and felt his arm crunch.
You need to lie flat on your back, with your arms crossed over your chest, or with your arms crunched up beside you to be safe and more streamlined.
The raider team is intended to improve the physical fitness of cadets; they go through many exercises included in physical training, such as push ups, sit ups, pull ups, flexed arm hang, crunches, the one mile (1.6 km) run, or litter carry.
You'll also learn to respect the raw power of these creatures; after all, if you upset a bird and it clenches its claw, your arm will crunch underneath in pain.
"People think owls only fly at night but that's not true; at our centre you can see the European eagle owl - which is a metre tall - swooping in at 15 to 20mph to land on your glove". You'll also learn to respect the raw power of these creatures; after all, if you upset a bird and it clenches its claw, your arm will crunch underneath in pain.
The three components of the IST are Pull-ups/Flexed-arm hangs, crunches, and a timed run.
Pull his arm over and crunch his legs and chest in.
gymamerica.com A Web site that will help you plan a workout, with instructions and animated images showing the proper way to do crunches, one-arm dumbbell kickbacks and other muscle-isolating movements.
They don't indulge in the arm-blurring, finger-crunching bravura of, say, Prokofiev's brawny Second Piano Concerto.
