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Functional and Surgical Aspects of Triceps Surae
and Tendo Calcaneus (Achilles)
Dr. Sanjoy SanyalMBBS, MS (Surgery), MSc (RCSEd), ADPHANC 27519
Triceps Surae Components
Clinical Testing
Gastrocnemius (‘Gastro’)
Seen from the Lateral Side
White, Fast-twitch, Type-2, Fatigue-able; For Running, Jumping, Sprinting
Gastrocnemius
Seen from the Medial Side
PAES
Gastrocnemius Strain (Tennis Leg)
Soleus (‘Sole’ = Flat Fish)
Seen from the Lateral Side
Red, Slow-twitch, Type-1, Fatigue-resistant; Antigravity, Postural muscle; Symmetrical standing
Soleus
Seen from the Lateral Side
Accessory Soleus 3%
Plantaris
‘Freshman’s Nerve’; Spindles; Rupture (Tennis sports); Tendon Grafting
Tendo Calcaneus (‘Achilles’)
Seen from the Lateral Side
Aponeurotic – Tendinous; Rotates 90 degrees laterally
Tendo Calcaneus
Seen from the Medial Side
Calcaneal Tendon Reflex; Calcaneal Bursitis, Calcaneal Tendinitis
Tendo Calcaneus
Seen from the Medial Side
Calcaneal Tendon Rupture; Absence of Plantar flexion; Surgical Repair