Gastrocnemius vs Soleus Differentiation

Purpose

Screen for Gastrocnemius vs Soleus Differentiation findings.

Execution

1. 1Measure ankle dorsiflexion with the knee straight
2. 2Repeat the measurement with the knee bent
3. 3Compare straight vs bent knee values
4. 4Note which condition is more limited
5. 5Compare left vs right

Key Observations

• Knee extended = gastrocnemius
• Knee flexed = soleus

Views

• lateral

Protocol

1. 1Observe from: lateral.
2. 2Standardize start position and instructions.
3. 3Perform 2-3 trials per side when applicable.
4. 4Record key observations and any positive indicators.
5. 5Compare left vs right when applicable.

Reference

Silfverskiöld test. DiGiovanni CW et al. Foot Ankle Int. 2014;35(8):838-844. DOI: 10.1177/1071100714535202.