Your question: Which of the following muscles adducts and flexes the arm?

The pectoralis major flexes, adducts, and medially rotates the humerus. Pectoralis minor: This muscle is found in the anterior wall of the axilla, underneath the pectoralis major.

Which of the following muscles flexes the arm?

Biceps Brachii: A muscle of the anterior compartment of the upper arm that flexes the forearm.

Which muscle flexes adducts and medially rotates the arm quizlet?

CLAVICULAR: FLEXES AND MEDIALLY ROTATES SHOULDER JOINT, HORIZONTALLY ADDUCTS HUMERUS. MEDIALLY ROTATES HUMERUS. ADDUCTS HUMERUS.

What muscle flexes upper arm and helps abduct it?

The supraspinatus muscle originates from the supraspinous fossa of the scapula, passes under the acromion, and inserts on the superior facet of the greater tubercle of the humerus. It is responsible for the initiation of arm abduction and is in control of the motion up to the first 15 degrees of abduction.

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What are the muscles that flex extend abduct and adduct the head?

The major muscle that laterally flexes and rotates the head is the sternocleidomastoid.

What muscle Pronates the arm?

Pronator teres pronates the forearm, turning the hand posteriorly.

What muscle is back of arm?

Your triceps—the muscle along the back of your upper arm that helps you extend your elbow and straighten your arm—helps you do everything from pushing yourself up off the floor to placing an object on a high shelf, explains Lee Boyce, C.P.T., a strength coach based in Toronto.

What muscle turns the palm down?

Pronator teres: This muscle begins at the top of the humerus, crosses the forearm, and connects to the ulna. It helps turn the palm downward.

What muscle pulls arm forward and across chest?

Pectoralis Major

Pulls the arm forward and across the chest.

Which muscle adducts and medially rotates the arm at the shoulder joint?

The pectoralis major flexes, adducts, and medially rotates the humerus. Pectoralis minor: This muscle is found in the anterior wall of the axilla, underneath the pectoralis major.

What is the muscle of the upper arm that flexes the lower arm?

Biceps Brachii: A muscle of the anterior compartment of the upper arm that flexes the forearm.

What is the largest muscle in the human body?

The gluteus maximus is the largest muscle in the human body. It is large and powerful because it has the job of keeping the trunk of the body in an erect posture. It is the chief antigravity muscle that aids in walking up stairs. The hardest working muscle is the heart.

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What muscle is on the back of the upper arm?

Triceps brachii: This large muscle in the back of the upper arm helps straighten the arm.

What muscles are used to nod head yes?

In the affirmative head-nod, longus capitis, rectus capitis anterior, and longus colli flex our neck and head forward, while splenius (a deep muscle of the back) and trapezius bend the head and neck backward.

What is the smile muscle?

The zygomaticus major is a muscle of the human body. It is a muscle of facial expression which draws the angle of the mouth superiorly and posteriorly to allow one to smile.

Which group of muscle flexes and rotates the neck?

The scalene muscles help with neck flexion and side bending. The deep cervical flexors are a muscle group consisting of the longus capitus and longus colli muscles, which run down the front of the cervical spine. The deep cervical flexor muscles help flex the neck forward as well as stabilize the cervical spine.

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