Erector Spinae Muscle Anatomy
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Erector Spinae Muscle

Introduction The erector spinae is a series of muscles that extend from the sacrum to the neck and is located within the back, which is the largest muscle group in the body. The muscles of this specific group are divided into three different sections, which are the iliocostalis, longissimus and spinalis, which all have different…

Tibialis Anterior Muscle
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Tibialis Anterior Muscle

The Tibialis Anterior muscle is a large muscle in the front of the lower leg that is responsible for dorsiflexing and inverting the foot. It is important for walking, running, and jumping, and for athletes who participate in sports that require rapid changes in direction. Introduction The tibialis anterior is a muscle in humans that…

Plantaris muscle
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Plantaris Muscle

INTRODUCTION The plantaris is one of the superficial muscles of the superficial posterior compartment of the leg, one of the fascial compartments of the leg. It is composed of a thin muscle belly and a long thin tendon. While not as thick as the achilles tendon, the plantaris tendon (which tends to be between 30–45…

rectus femoris muscle pain
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Rectus Femoris Muscle

The rectus femoris is one of the four quadriceps muscles located in the anterior (front) compartment of the thigh. It is a powerful extensor muscle that plays a crucial role in the movement of the knee and hip joints. Introduction The muscle closest to the skin and almost vertically oriented in the anterior thigh compartment…

Trapezius muscle
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Trapezius Muscle

Introduction The trapezius muscle is a large, superficial muscle located in the upper back and neck region of the human body. It is one of the major muscles responsible for the movement and stability of the shoulder girdle. Its name originates from its trapezoid shape, with its broad base spanning the upper back and its…

Gastrocnemius muscle
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Gastrocnemius muscle Origin, Insertion, Function, Exercise

Gastrocnemius muscle Anatomy Gastrocnemius muscle, also called leg triceps, large posterior muscle of the calf group of the leg.The gastrocnemius muscle is a superficial two-headed muscle that is in the back part of the lower leg of humans. It runs from its two heads just above the knee to the heel, a three-joint muscle (knee,…

Semitendinosus muscle
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Semitendinosus Muscle

Semitendinosus muscle is one of four posterior thigh muscles that are responsible for extending the hip and one of three muscles that are part of the Hamstring group. The other three muscles that belong to the hip extensor group are the semitendinosus, biceps femoris, and gluteus maximus, while semimembranosus, semitendinosus, and biceps femoris are referred…

Levator Scapulae Muscle
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Levator Scapulae Muscle

Anatomy of Levator Scapulae Muscle The levator scapulae muscle are superficial extrinsic muscles of the back that primarily function to elevate the scapulae. Levator comes from the Latin levare, meaning “to raise.” Scapulae refer to the scapulas, or shoulder blades, possibly originating from the Greek “skaptein,” meaning “to dig.” In conjunction with other posterior axial-appendicular…

Sternocleidomastoid muscle
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Sternocleidomastoid Muscle (SCM Muscle)

Introduction The sternocleidomastoid muscle is one of the largest and most superficial cervical muscles. The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. The sternocleidomastoid is innervated by the accessory nerve. It is given the name sternocleidomastoid because it originates at the manubrium of…

semimembranosus
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Semimembranosus Muscle: Anatomy, Origin, Insertion, Function, Exercise

Introduction Semimembranosus is one of four posterior thigh muscles that are responsible for extending the hip, while It is also one of the three muscles to make a part of the Hamstring muscles group. The other three muscles that belong to the hip extensor group are semitendinosus, biceps femoris, and gluteus maximus. These three muscles…