Answer:
1. The deltoid muscle is the muscle forming the rounded contour of the human shoulder. It's a motor function which the deltoid is responsible for includes shoulder abduction, shoulder flexion, and shoulder extension (which allows the shoulder to stay at its resting position while also giving the option of backward movement).
2. The triceps is a large muscle on the back of the upper limb of many vertebrates. It's function is that it's responsible for the extension of the elbow joint.
3. The biceps is a large muscle that lies on the front of the upper arm between the shoulder and the elbow. It's function is that it serves to support and stabilize the deeper (and stronger) brachialis muscle whenever lifting or lowering the forearm. The main functions of the biceps are the flexion and supination (outward rotation) of the forearm.
4. The hamstring is at the back of the thigh that begins at the pelvis and extends to the back of the tibia (shin) bone. It's function is that it bends the knee.
5. The trapezius muscle is a large muscle bundle that extends from the back of your head and neck to your shoulder. The trapezius muscle acts as both a posture stabilizer and a movement muscle. Common actions you may recognize in which the trapezius is involved include shrugging your shoulders, tilting, turning and extending your neck and keeping your shoulder blades down your back.
6. The Latissimus dorsi is a large, flat, triangular muscle covering the lower back. Its functions to stabilize your back while extending your shoulders.
7. The Gluteals is located posteriorly to the pelvic girdle, at the proximal end of the femur. Its function is to be responsible for the movement of the hip and thigh.
8. The gastrocnemius muscle is a superficial two-headed muscle that is in the back part of the lower leg of humans. Its function is to plantarflex your ankle. This means that as your gastroc contracts, your ankle and toes point down. When walking, running, or climbing stairs, the muscle works to flex your ankle and propel you forward. The muscle is considered one of the "anti-gravity" muscles.
9. The pectoralis major muscle is a large muscle in the upper chest, fanning across the chest from the shoulder to the breastbone. The pectoralis major helps you pull your arm across the front of your body (adduction). The muscle also works with your rotator cuff (subscapularis) to allow you to rotate your arm in. When your arm is fixed or bearing weight, the pectoralis major works with the latissimus dorsi and other scapular stabilizers to elevate your body.
10. The quadriceps muscles are a group of four muscles found on the front of the thigh. The quads work together to straighten the knee and play an important role in activities such as walking, running, getting up from a chair and climbing stairs.
11. The abdomen is the part of the body between the thorax and pelvis. The abdomen is required for breathing via the accessory muscles of respiration. Such muscles are also involved in postural support, movement, balance, coughing, urination, vomiting, singing, childbirth, and defecation.
Hope this helped!
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