Prepare the strength machine
- Adjust the seat, back pad, and movement arm so the machine pivot aligns with the joint being trained.
- Insert the weight pin fully and test the start/stop mechanism with a light load.
Cable Single Knee Tuck Plank trains the trunk to resist unwanted extension or rotation while the body maintains a specific support position.
Primary musclesRectus abdominis, Transverse abdominis, Iliopsoas
Secondary musclesObliques, Deltoids, Triceps brachii, Quadriceps
Follow the sequence in order, paying attention to the starting position, movement path, and finish described in each step.
For Cable Single Knee Tuck Plank, place the hands below the shoulders and secure the feet in the straps or on the floor, then form one line from the head through the hips to the heels.
Brace the trunk and press the floor away so the shoulder blades remain supported against the ribs.
Draw the named knee or both knees toward the chest without allowing the hips to sag, pike, or rotate.
Pause only as long as the shoulders remain above the hands and the lower back stays controlled.
Extend the leg or legs slowly to the plank position before repeating. Repeat without changing the established position.
These are the form changes most likely to move work away from the target muscles or make the repetition harder to control.
Keep the shoulders over the hands and draw the knees forward without lifting the pelvis high.
Brace before extending the legs and shorten the range if the pelvis drops.
Press the floor away and maintain the original upper-body position.
Control the return so the feet or TRX straps do not swing between repetitions.
Programming guide
Place Cable Single Knee Tuck Plank where its skill and fatigue demands best support the session goal, after the athlete has completed a relevant warm-up.
Place Cable Single Knee Tuck Plank after the main compound lifts, in a focused core block, or beside an exercise that does not require a fresh trunk.
Use two to four times per week while accounting for trunk work already supplied by squats, hinges, carries, and overhead lifting.
| Goal | Sets | Reps or time | Rest | Effort and execution |
|---|---|---|---|---|
| Control / technique | 2–3 | 5–8 reps | 45–75 sec | Stop well before position changes |
| Strength / endurance | 2–4 | 8–15 reps | 60–90 sec | Finish with 1–3 technically clean reps in reserve |
Increase the controlled range, lever length, or hold duration before adding load. End every set when rib, pelvis, or lower-back position changes.
Scale the movement
Hold the shoulder and pelvis position before adding knee movement.
Keep both feet on the floor and move one knee at a time without suspension instability.
Extend the return phase while keeping the shoulders fixed above the hands.
Increase body angle or strap demand only after the hips remain level.