Understanding Key Arm Muscles: Biceps, Triceps, Pectorals & More
* Biceps brachii: This muscle is located on the front of the upper arm and is responsible for flexing the elbow joint.* Triceps brachii: This muscle is located on the back of the upper arm and is responsible for extending the elbow joint.
* Pectoralis major: This muscle is located on the chest and is responsible for adducting and medially rotating the arm.
* Latissmus dorsi: This muscle is located on the back and is responsible for adducting, extending, and internally rotating the arm.
* Quadriceps femoris: This muscle is located on the front of the thigh and is responsible for extending the knee joint.
* Hamstrings: These muscles are located on the back of the thigh and are responsible for flexing the knee joint.
* Gluteus maximus: This muscle is located on the buttocks and is responsible for extending the hip joint.
* Erector spinae: These muscles are located on the back and are responsible for extending the spine.
* Abdominal muscles: These muscles are located on the front of the abdomen and are responsible for flexing the spine.
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