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What happens when the deltoid contracts concentrically?
When the Deltoid contracts the humerus abducts.
When gastrocnemius contracts concentrically it?
Points The toes
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.
What type of movement occurs when the hamstring muscle contracts?
Flexion
What happens when the gastronenimus contracts concentrically?
When the gastrocnemius muscle contracts concentrically, it shortens while generating force, which primarily facilitates plantarflexion of the ankle joint. This action raises the heel off the ground, allowing for movements such as walking, running, and jumping. Additionally, the gastrocnemius assists in flexing the knee joint during this contraction. Overall, concentric contraction of the gastrocnemius plays a crucial role in lower limb mobility and stability.
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.
When a muscle contracts concentrically the antagonist contracts eccentrically?
When a muscle contracts concentrically, it shortens to produce movement, while the antagonist muscle, which opposes that movement, contracts eccentrically to control the motion. This eccentric contraction allows the antagonist to lengthen under tension, providing stability and preventing injury by absorbing some of the force generated during the concentric contraction. This coordinated action helps maintain balance and control during movements.
What movement occurs when the infraspinatus contracts concentrically?
When the infraspinatus muscle contracts concentrically, it primarily facilitates external rotation of the shoulder joint. This movement is crucial for various activities that involve lifting the arm away from the body or throwing motions. Additionally, the infraspinatus plays a role in stabilizing the shoulder by maintaining the position of the humeral head in the glenoid cavity during arm movements.
What muscles contract and relax when you bend your leg?
When you Bend your Leg your hamstring contracts and your quadriceps relax
What joint action takes place when the spine contracts concentrically?
When the spine contracts concentrically, primarily during movements like flexion or extension, the muscles along the spine, such as the erector spinae, rectus abdominis, and obliques, shorten to produce movement. This action helps stabilize the vertebral column while allowing for controlled motion, such as bending forward or arching backward. Concentric contraction aids in maintaining posture and facilitating dynamic movements essential for various physical activities.
What happens when the biceps muscle contracts?
When the bicep contracts the triceps relax
