Bodyweight
3/4 Sit Up
Abs · Core
Intermediate6
Demonstration
IntermediateIsolationBodyweight
Bridge Mountain Climber (Cross Body)
Abs · Core
3
sets
10–12
reps
1m
Rest time
~6
Calories / set
Instructions
- 1
Start in a high plank position with your hands directly under your shoulders and your body in a straight line.
- 2
Engage your core and lift your right foot off the ground, bringing your right knee towards your left elbow.
- 3
Return your right foot to the starting position and repeat the movement with your left foot towards your right elbow.
- 4
Continue alternating sides, moving at a controlled pace.
- 5
Keep your hips level and avoid lifting your hips too high or sagging them too low.
- 6
Maintain a steady breathing pattern throughout the exercise.
- 7
Repeat for the desired number of repetitions.
Muscles worked
Primary
Abs
glutes
Secondary
glutesquadricepshamstringsshoulderstriceps
Pro tips
- Move through the full range of motion under control.
- Keep tension on the target muscle — avoid using momentum.
- Breathe out on the effort, in on the return.
- Pick a weight that lets you keep clean form for every rep.
Common mistakes
- Using too much weight and sacrificing technique.
- Rushing reps instead of controlling the tempo.
- Cutting the range of motion short.
- Holding your breath throughout the set.
Safety notes
- Warm up thoroughly before working heavy.
- Stop immediately if you feel sharp or joint pain.
- Use a spotter or safeties for heavy barbell work.
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