Hello,

Pennate Fasciculli : The pennate fibre muscles resemble the feather, the fleshy fibres correspond to the bars of feather and the tendon to the shaft, as they are all inserted by tendon. Fascicles are attached in an oblique manner to the tendons.

They maybe

• UniPennate : Flexor pollicis longus, extensor digitorum longus
• Bipennate : Rectus femoris, flexor hallucis longus
• Multipennate : tibialis anterior, subscapularis and acromial fibres of deltoid