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Muscle of the Month
Serratus Anterior
The serratus anterior muscle is used in activities that draw the scapula forward. It is used strongly in push ups and bench presses.
Origin:Upper nine ribs at the side of the chest
Insertion: Costal aspect (side articulating with the ribs) of the medial border of the scapula
Action: Scapula protraction and rotation of the scapula upwards
Nerve supply to this muscle: Long thoracic nerve
Daily uses: Reaching up to open a high window
Strengthen: Push ups
ay on the floor on your back and cross your right ankle over your left knee.
Grip your left M
Soleus is a large muscle, deep to Gastrocnemius. Soleus is used constantly in standing to maintain an upright position.
Origin: Upper half of the posterior surface of the tibia, along the soleal line and upper half of the fibula
Insertion: Posterior surface of the calcaneus via the Achilles tendon
Action: Plantar flexion
Nerve supply of this muscle: Tibial nerve
Daily uses: Standing upright
Stretches: Soleus sits underneath the larger gastrocnemius. Bending the knee takes gastroc out of the stretch.
1. Stand with one foot in front of the other close to a wall. 2. Place both hands on the wall for balance. 3. Bend both knees, focusing on the back knee. 4. Shift your weight forward onto your toes while keeping your heels on the floor.
Remember hold your stretch for 30 seconds.
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