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HomeExercisesLying Knee Raise

Lying Knee Raise

Abdominals
Lower Abs
Beginner
Isolation
3-4Set
10-15Reps
60sRest
2-1-2-0Tempo
Lying Knee Raise
Animation

Description

Lying Knee Raise is a fundamental and effective exercise that targets lower abdominal muscles. This movement is performed while lying on back and works rectus abdominis as well as hip flexors. Despite appearing simple, it provides quite intense core training when done with proper form. It is effective for strengthening lower abdominal region which is important for back health. Requires no equipment, so can be done anywhere. Suitable for both beginners and advanced athletes.

Step-by-Step Instructions

  1. 1

    Lie on your back, hands at your sides or underneath body

  2. 2

    Lift legs slightly off floor in straight position

  3. 3

    Pull knees toward chest while squeezing abdominal muscles

  4. 4

    Hold for 1-2 seconds at top point

  5. 5

    Slowly lower legs back to starting position

  6. 6

    Ensure your lower back doesn't lift off floor during movement

Key Points

  • ✓Lie on back on floor, arms at sides
  • ✓Pull knees toward chest
  • ✓Don't lift upper body off floor, move only legs
  • ✓Squeeze abdominal muscles at end of movement
  • ✓Slowly return to starting position

Common Mistakes

  • ✗Keeping knees straight - back risk
  • ✗Using momentum - less effective
  • ✗Lifting back off floor - becomes different exercise
  • ✗Not pulling knees fully - incomplete range of motion
  • ✗Holding breath - reduces performance

Breathing

Exhale while pulling knees, inhale when returning to starting position.

Muscle Activation

rectus abdominis0%
hip flexors0%
obliques0%

Safety

Precautions

  • Those with back pain should do movement in limited range
  • Avoid in third trimester of pregnancy
  • Those with hip problems should be careful
  • Those with severe abdominal muscle injury should get doctor approval

Safety Tips

  • Keep lower back pressed to floor during movement
  • Exhale while pulling knees up
  • Move slowly and controlled instead of fast
  • Stop movement if your lower back hurts

Frequently Asked Questions

Which muscles does Lying Knee Raise work?

Lying Knee Raise primarily works these muscles: Rectus abdominis. It also engages: Hip flexors, Obliques.

Is Lying Knee Raise suitable for beginners?

Lying Knee Raise is a Beginner level exercise. Learning difficulty: Easy.

Can Lying Knee Raise be done at home?

Yes, Lying Knee Raise can easily be done at home.

What are common mistakes when doing Lying Knee Raise?

One of the most common mistakes: Keeping knees straight - back risk

How many sets and reps for Lying Knee Raise?

Recommended: 3-4 sets and 10-15 reps.

Related Exercises

Exercises targeting similar muscle groups

Abdominals Exercises
Long Arm Crunch

Long Arm Crunch

Upper Abs

Figure-Four Crunch

Figure-Four Crunch

Obliques

Seated Flutter Kick

Seated Flutter Kick

Lower Abs

Frog Crunches

Frog Crunches

Upper Abs

Alternate Leg Raises

Alternate Leg Raises

Lower Abs

Mountain Climber

Mountain Climber

Lower Abs

Exercise Information

DifficultyBeginner
Movement TypeIsolation
FocusHypertrophy
Injury RiskLow
Set3-4
Reps10-15
Rest60 seconds
Tempo2-1-2-0
Spotter RequiredNo
Home / Gym
YesYes
Effectiveness4.2 / 5
Popularity6.8 / 10
Learning DifficultyEasy

Equipment

bodyweight

Primary Muscles

Rectus abdominis

Secondary Muscles

Hip flexorsObliques

Benefits

  • ✓Targets lower abdominal muscles specifically
  • ✓Supports rectus abdominis development
  • ✓Increases lower back stabilization
  • ✓Develops core tightness

Goals

Muscle GainEndurance
Back to All Exercises
Lying Knee Raise
Animation

Description

Lying Knee Raise is a fundamental and effective exercise that targets lower abdominal muscles. This movement is performed while lying on back and works rectus abdominis as well as hip flexors. Despite appearing simple, it provides quite intense core training when done with proper form. It is effective for strengthening lower abdominal region which is important for back health. Requires no equipment, so can be done anywhere. Suitable for both beginners and advanced athletes.

Step-by-Step Instructions

  1. 1

    Lie on your back, hands at your sides or underneath body

  2. 2

    Lift legs slightly off floor in straight position

  3. 3

    Pull knees toward chest while squeezing abdominal muscles

  4. 4

    Hold for 1-2 seconds at top point

  5. 5

    Slowly lower legs back to starting position

  6. 6

    Ensure your lower back doesn't lift off floor during movement

Key Points

  • ✓Lie on back on floor, arms at sides
  • ✓Pull knees toward chest
  • ✓Don't lift upper body off floor, move only legs
  • ✓Squeeze abdominal muscles at end of movement
  • ✓Slowly return to starting position

Common Mistakes

  • ✗Keeping knees straight - back risk
  • ✗Using momentum - less effective
  • ✗Lifting back off floor - becomes different exercise
  • ✗Not pulling knees fully - incomplete range of motion
  • ✗Holding breath - reduces performance

Breathing

Exhale while pulling knees, inhale when returning to starting position.

Back to All Exercises

Related Exercises

Exercises targeting similar muscle groups

Abdominals Exercises
Long Arm Crunch

Long Arm Crunch

Upper Abs

Figure-Four Crunch

Figure-Four Crunch

Obliques

Seated Flutter Kick

Seated Flutter Kick

Lower Abs

Frog Crunches

Frog Crunches

Upper Abs

Alternate Leg Raises

Alternate Leg Raises

Lower Abs

Mountain Climber

Mountain Climber

Lower Abs