Crunch - Legs On Exercise Ball

beginnerstrengthpullisolation
Crunch - Legs On Exercise Ball — Body Weight Abdominals exercise demonstration
Crunch - Legs On Exercise Ball — Body Weight Abdominals exercise demonstration
Body part
Waist
Target
Abdominals
Equipment
Body Weight

Instructions

  1. 1Lie flat on your back with your feet resting on an exercise ball and your knees bent at a 90 degree angle.
  2. 2Place your feet three to four inches apart and point your toes inward so they touch.
  3. 3Place your hands lightly on either side of your head keeping your elbows in. Tip: Don't lock your fingers behind your head.
  4. 4Push the small of your back down in the floor in order to better isolate your abdominal muscles. This will be your starting position.
  5. 5Begin to roll your shoulders off the floor and continue to push down as hard as you can with your lower back. Your shoulders should come up off the floor only about four inches, and your lower back should remain on the floor. Breathe out as you execute this portion of the movement. Squeeze your abdominals hard at the top of the contraction and hold for a second. Tip: Focus on a slow, controlled movement. Refrain from using momentum at any time.
  6. 6Slowly go back down to the starting position as you inhale.
  7. 7Repeat for the recommended amount of repetitions.

Get this via the API

This exercise — and the full catalog of 873 — as structured JSON.

GET /v1/exercises/{slug}
curl -H "X-API-Key: wk_live_…" \
  "https://api.work-out-db.com/v1/exercises/crunch-legs-on-exercise-ball"

Customize the request

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    /v1/exercises/crunch-legs-on-exercise-ball?lang=es
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    /v1/exercises?target=abdominals
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All query parameters
bodyPart, target, equipment, muscle
taxonomy slug
category
strength · cardio · mobility · stretching · plyometrics
difficulty
beginner · intermediate · advanced
force
push · pull · static
mechanic
compound · isolation
q
free-text search (accent-insensitive)
sort / order
name | difficulty · asc | desc
limit / offset / cursor
pagination (limit ≤ plan cap)
lang
en · es · pt · fr
Authentication

Send your key as X-API-Key or Authorization: Bearer.

Response

Always { data, meta, requestId }. Rate-limit & quota counts ride in X-RateLimit-* / X-Quota-* headers.

Plans

Free: 5k req/mo · 30/min · 480p. Pro: 100k/mo · 120/min · 720p + commercial use.

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