CALI-BIOTECH

FREE CALISTHENICS SKILL CALCULATOR — PLANCHE · FRONT LEVER · IRON CROSS

Enter your weighted lifts below to instantly see how close you are to planche, front lever, iron cross and more — plus exactly what to train today.

1 REP MAX CALCULATOR VIEW SKILL TREE CALORIE CALCULATOR

Structure & Readiness

Strict uses Frinks survey data & community benchmarks. Rewarding uses the same shape but thresholds ~18% lower.

BW Basics & Skills

Weighted Matrix

Weight
Reps
Sets
RPE
Never done this? Enter 0 — it just means Iron Cross & Maltese scores will show your potential, not current readiness.

TODAY'S TRAINING FOCUS

Based on your weakest link — what to actually train today

— run the analysis to get your focus —

INJURY RISK HEATMAP

Injury risk heatmap showing shoulder, elbow and wrist joint status. Green indicates nominal, orange indicates monitoring needed, red indicates elevated risk.

SCANNING BIOMETRICS...

Training History

Date BW Pull Push SA Actions

SKILL GAP ANALYSIS

How far you are from each skill based on your current strength

SKILL READINESS NEXT GYM TARGET
Run the analysis to see your skill gaps

0 to 50kg (110 lbs) Weighted Pull-Up
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STRENGTH PROGRESS

Log sessions to track your 1RM over time

SYSTEM LOGIC

Our command system uses Biomechanical Torque Analysis to bridge the gap between weighted strength and bodyweight mastery.

LEVERAGE TAX
Accounting for how longer limbs increase difficulty; as height increases, the strength required rises by a 2.3x exponent.
SCAPULAR BALANCE
Maintaining a 1:1 ratio between pulling and pushing movements to keep shoulders neutral.
TENDON INTEGRITY
Monitoring Straight-Arm holds to prevent bicep or elbow tears during high-tension skills.
GENETIC CEILING
Optimal BMI (21–23.5) for maximum muscle-to-weight ratio in advanced calisthenics.

SESSION NOTES

How did your body feel? Any pain, fatigue, or PRs worth remembering?

NO FEEDBACK ENTRIES

RESOURCES & GUIDES

► SKILL GUIDES

► STRENGTH & TRAINING

► MUSCLE & AESTHETICS

► COMPARISONS & BREAKDOWNS

Technical Manual: Biomechanical Definitions

[01] ALLOMETRIC SCALING

The "Size Paradox": As an athlete grows larger, their body mass increases much faster than their muscle force.

[02] SCAPULAR PROTRACTION

Shoulder blades forward. Key for Planche integrity.

[03] EXTERNAL ROTATION

Humerus outward rotation to lock joints in Ring work.

[04] MOMENT ARM

Distance from joint to force. Shorter = mechanical advantage.

[05] TENDON ADAPTATION

Adapts 10x slower than muscle. Avoid rapid load spikes.

[06] NEURAL RECRUITMENT

CNS ability to fire motor units during maximal holds.

[07] ABDUCTION / ADDUCTION

Movement away/toward midline. Crucial for Iron Cross.

[08] MIND-MUSCLE CONNECTION

Deliberate contraction to prevent energy leaks.

[09] MECHANICAL LEVERAGE

Changing COM (straddle vs full) to adjust intensity.

[10] ISOMETRIC SCALING

Strength gained at specific angles (+/- 15 degrees).

[11] INTENSITY (LOAD)

% of max force, increased by decreasing leverage.

[12] VOLUME (TOTAL TAX)

Sets × Time. High intensity leads to Neural Fatigue.

[13] SCAPULAR DEPRESSION

Pulling shoulders down to stabilize the joint.

[14] FALSE GRIP

Wrist flexed over bar to shorten forearm lever.

[15] ANTERIOR PELVIC TILT

"Piking" at hips; indicates core/glute weakness.

[16] PROPRIOCEPTION

Spatial awareness; "feeling" hip height in space.

[17] PLYOMETRIC TRANSFER

Converting static strength into explosive pop.

[18] NEURAL DRIVE

Brain-to-muscle electrical signal efficiency.

[19] EXPLOSIVE TRANSFER

Pop required to bypass Muscle-up sticking points.

[20] KINETIC INTEGRITY

Making the body a "rigid log" to save energy.

[21] LEVERAGE DIFFERENTIAL

The "Tall Person Tax" due to limb length.

[22] PROGRESSIVE OVERLOAD

Harder moves via angles or slower tempo.

[23] SCAPULAR STRENGTH

Foundation required for all advanced holds.

[24] GREASING THE GROOVE

High frequency, sub-maximal practice for skill.

[25] STRAIGHT-ARM STRENGTH

Locked joints acting as structural pillars.

[26] THE STICKING POINT

The failure inch; killed with targeted isometrics.

[27] ELASTIC ENERGY STORAGE

Energy stored in tendons during stretch; released during contraction for explosive transitions.

[28] NEUROMUSCULAR EFFICIENCY

Ratio of force produced to muscle mass activated; improves with skill practice and CNS adaptation.

[29] TENSION TRANSFER

Ability to move force through the kinetic chain efficiently.

[30] ACTIVE FLEXIBILITY

Joint mobility controlled with muscle contraction, crucial for Planche and Front Lever.

[31] STATIC STRENGTH

Ability to hold a position without movement.

[32] TOTAL BODY TENSION

Engaging all major muscle groups to create a rigid line.

[33] ANCHORING POINT

Where force is applied to stabilize the body.

[34] FORCE DIRECTION

Angle of muscular force relative to lever; affects mechanical advantage.

[35] MUSCLE IMBALANCE

Strength differences between opposing muscle groups; can limit holds or cause injury.

[36] PREHENSILE STRENGTH

Grip strength; crucial for rings, bars, and weighted calisthenics.

[37] RATE OF FORCE DEVELOPMENT

How quickly muscle produces force; important for explosive transitions.

[38] STABILIZER DOMINANCE

Using small stabilizing muscles to maintain joint alignment.

[39] ANTAGONIST CO-CONTRACTION

Engaging opposing muscles for joint protection during extreme holds.

[40] TACTILE FEEDBACK

Sensation from hands that informs body position in space.

[41] STRUCTURAL INTEGRITY

Optimal alignment of joints to maximize efficiency and minimize injury risk.

[42] FORCE VECTOR TRAINING

Training in multiple planes to strengthen muscles for specific skill directions.

[43] RATE OF PERCEIVED EXERTION (RPE)

Subjective measure of effort; helps manage fatigue during high-intensity isometrics.

[44] KINETIC CHAIN COORDINATION

Efficient link between all joints to transfer strength from one segment to another.

[45] ANKLE / HIP LINKAGE

Stability and tension from lower body to support core and upper-body holds.

[46] MECHANICAL TENSION

Force applied to muscles during contraction that stimulates growth and strength.

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