Calf Stretch (Bent + Straight Knee)

MobilityBW

Standing wall-supported calf stretch performed with both a straight back knee (targets gastrocnemius) and a bent back knee (targets soleus) to cover both calf muscles.

Demo: Bob and Brad

Sets

1

Reps

30-45 sec hold per variation, per side

Rest

15s

Contraindications

Achilles tendinopathy in acute flare — reduce intensity and consult a clinician.

Setup

Face a wall, hands supporting your weight, one foot forward and one foot back.

Execution

  1. 1Straight-knee version: keep the back leg's knee locked straight, heel down, and lean forward from the ankle
  2. 2Bent-knee version: bend the back knee while keeping the heel down, sinking the hips forward and down
  3. 3Hold each variation, breathing into the calf
  4. 4Switch sides after completing both variations

Key cues

  • Keep the back heel glued to the floor in both variations
  • Point the back foot straight ahead, not turned out
  • Lean from the ankle, not just the hips
  • Breathe slow through each hold

Common faults

  • Back heel lifting off the ground
  • Back foot turned outward, reducing the stretch effectiveness
  • Only doing one variation and missing the soleus (bent-knee) stretch
  • Bouncing instead of a sustained hold

Tweaks

  • Use a slant board or step edge for a deeper static stretch
  • Add calf raises off a step afterward for an active/eccentric component
  • Hold longer (2+ min) for chronically tight calves

Progressions

Muscles

Primary: Gastrocnemius, Soleus

Secondary: Achilles Tendon

Notes

Doing both bent and straight knee variants ensures both calf heads (gastroc and soleus) actually get stretched.

Sources

Attribution: Standard physical therapy / running-rehab staple