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What happens when the deltoid contracts concentrically?
When the Deltoid contracts the humerus abducts.
What muscle concentrically contracts when descending stairs?
Quads
What movement occurs when the subscapularis contracts concentrically?
When the subscapularis muscle contracts concentrically, it performs internal rotation of the shoulder joint. This movement involves rotating the arm inward toward the midline of the body.
Which muscles contracts when the leg is extended at the knee?
The muscle that contracts when the leg is extended at the knee is call the gastrocnemius muscle
When glute max contract concentrically which movement occurs at the hip?
When the gluteus maximus contracts concentrically, hip extension occurs. This means the thigh moves backward, bringing the leg into alignment with the body.
What happends to the gastrocnemius when you stand on the balls of your feet lifting your heels off the ground?
It contracts
What is the gastronemius?
The gastrocnemius muscle is located with the soleus in the posterior (back) compartment of the leg. It is associated with the "bulge" in the calf muscle.
What happens to the gastrocnemius muscle when the shank is flexed as in walking?
When the shank is flexed as in walking, the gastrocnemius muscle is contracted. This allows for plantar flexion of the foot, pushing the body forward during the walking motion. The gastrocnemius muscle plays a critical role in the propulsion phase of walking.
Why does the gastrocnemius muscle contract after stimulating the sciatic nerve?
The gastrocnemius is stimulated by a branch of the sciatic nerve called the tibial nerve. This causes contraction and produces plantar flexion of the foot. When a person stands on their "tippy toes" that is plantar flexion. This is a function of this nerve.
Which muscle that will make the knee bend when it contracts. Which muscle that will make the leg straighten at the knee when it contracts. which of that two muscle is a lexor and an extensor?
The flexor would be the hamstring, and gastrocnemius, which bend/flex the knee. The quadriceps, are extensors, which straighten/extend the knee.
What muscle inserts on the calcaneus bone via the calcaneal tendon?
The gastrocnemius, soleus and peroneus longus muscles insert at the heel (calcaneus) by way of the Achilles (calcaneal) tendon.
What is the synergist muscle for the gastrocnemius?
Gastrocnemius
