Armas Strength and Conditioning

Why does your foot start shaking during long isometric holds? 🦶

That shaking is often a sign of fatigue and increased neuromuscular demand.

As the muscles responsible for maintaining foot and ankle position begin to fatigue, your nervous system has to continually adjust how it recruits motor units to maintain force. The result? That visible shaking.

This is one reason I love isometrics for building foot and Achilles strength and capacity.

Long-duration isometrics can help us:

• Build tolerance to sustained loading
• Strengthen the foot and ankle musculature
• Load the calf–Achilles complex in a controlled environment
• Improve our ability to maintain force and position under fatigue

Your foot and Achilles have to tolerate thousands of repetitive forces when you run, sprint, cut, and play soccer.

Strength isn’t just about producing force.

It’s also about having the capacity to keep producing it.

That’s why isometrics stay in the program. 🦶⚽️

9–10 months post-ACL surgery—and now the work is becoming much more soccer-specific. ⚽️

Mauri is currently in the late-stage return-to-performance phase. At this stage, we’re progressing beyond basic strength and straight-line running into:

• Higher-intensity plyometrics
• Sprinting and fitness under fatigue
• Deceleration and landing control
• Planned and reactive changes of direction
• Soccer-specific movement patterns

The goal isn’t simply to complete harder drills. He must demonstrate that he can produce force, absorb force and repeatedly execute these movements with confidence—without pain, swelling or a negative response during the following 24 hours.

Being 9–10 months post-surgery does not automatically mean an athlete is ready to play. Before progressing into unrestricted soccer, Mauri still needs to clear each stage, tolerate full team training and show that his performance can hold up under the speed, fatigue, unpredictability and contact of the game.

The timeline matters, but readiness must be earned through objective testing and consistent performance.

🚨 WE’RE HIRING!

Armas Strength & Conditioning is looking for a Soccer Strength & Conditioning Coach to join our team in the DFW area.

This is a great opportunity for an early-career coach looking to gain hands-on experience, develop their coaching skills, and work directly with competitive soccer players.

⚽ 2–4+ sessions/week
💰 $50 per 1-hour session
👥 Team training — groups of 15–25 players
📈 Opportunity for additional hours and coaching opportunities as we continue to grow

We’re looking for someone who is responsible, dependable, adaptable, a strong communicator, comfortable leading groups, and most importantly willing to learn and grow.

Interested?

👉 Click the link in our bio to apply.

Questions? Send us a DM.

As you increase muscle and strength this off-season continue keeping your body youthful and robust for maximum transfer to the pitch.