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What is the appendicular musculature responsible for?
Its stabilizes the pectoral and pelvic girdles and for moving the upper and lower limbs.
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What four groups of muscles are associated with the pectoral girdle and upper limbs?
- 1. muscles that position the pectoral girdle.
- 2. Muscle that move the arm.
- 3. Muscles that move the forearm and hand
- 4. muscle that move the hand and fingers
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This muscles covers the back and parts of the neck to the base of the skull.
Trapezius muscles
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What does the trapezius muscle affect?
It affects the position of the pectoral girdle, head, and neck
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What adducts the scapula?
Rhomboid Muscles
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What elevates the scapula?
The Levator Scapulae muscle
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What muscle abdutcs the scapula and swings the shoulder anteriorly, originates along the ventrosuperior surfaces of the several?
Serratus anterior muscle
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Subclavius and pectoralis minor muscles do what to the shoulder?
They Depress and protract the shoulder
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Muscles that move the arm are best remembered when they are grouped by?
Primary Actions.
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What muscles produces abduction at the shoulders.
The deltoid and the suprapinatus muscles.
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What muscles rotate the arm medially?
Subscapularis and the teres major
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What muscles rotate the arm laterally?
the infraspinatus and the teres minor muscles.
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The supraspinatus, infraspinatus, subscapularis, and teres minor are known as the muscles of the?
Rotator Cuff.
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What does the coracobrachialis muscle produce?
Its produces flexion and adduction at the shoulder.
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What muscles flexes the shoulder and what muscle extends it?
The pectoralis major muscle and the latissimus dorsi muscle.
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The biceps brachii muscle and the triceps branchii muscle are the primary actions what joint?
The elbow joint.
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What flexes the elbow and supinates the forearm?
Biceps brachii
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The brachialis and brachioradoalis muscles flex what?
The elbow
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The opposing of the flexing of the elbow is by the what muscles?
Anconeus muscles and the triceps brachii muscle.
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Whats muscles of the forearm cooperate to flex the wrist?
Flexor carpi ulnaris, the flexor carpi radialis, and the palmaris longus muscles.
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What muscle adducts the wrist?
The Flexor carpi ulnaris
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What muscles abducts it?
The flexor carpi radialis.
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What muscles provides extension?
The extensor carpi radialis muscle.
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What muscles pronate the forearm without extension at the elbow?
The Pronator Teres and pronator quadratus muscles.
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The pronation is cause by what muscle?
Supinator muscle
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Three Groups of muscles associated with the pelvis and lower limbs are?
- 1. Muscles that move the thigh.
- 2. Muscles that move the leg.
- 3. Muscles that move the foot and toes
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Muscles originating on the surface of the pelvis and inserting on the femur produce characteristic movements determined by the what?
The positions relative to the acetabulum.
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What muscles cover the lateral surface of the ilium?
Gluteal Muscles.
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What muscle produces extension and lateral rotation of the hip?
The gluteus maximus muscle.
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What muscle provides a lateral brace for the knee?
The obturator muscles.
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What does the adductor group include, that produce adduction at the hip?
Adductor magus, Adductor brevis, adductor longus, pectineus, and gracilis muscles.
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What produces a powerful flexor of the hip?
The psoas major and the iliacus that merge to from the iliopsoas muscle.
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Where are the Extensor Muscles of the knee found along?
They are found along the anterior and lateral surfaces of the thigh.
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Flexor muscles lie along what?
The posterior and medial surfaces of the thigh
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Flexor and adductors originate where?
On the Pelvic Girdle
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Where do most extensors originate?
The femoral Surface
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Collectively the knee extensors are know as the?
Quadriceps femoris.
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The Quadriceps Femoris includes what?
Vastus intermedius, Vastus lateralis, Vastusmedialis muscles and the rectus femoris muscle
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The flexors of the knee include the?
The Biceps femoris, semimembranosus, and semitendinosus muscles, and the sartorius muscle.
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Which muscles medially rotates the tibia to unlock the knee joint?
The popliteus muscle.
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What muscles move the foot and toes?
The extrinsic and intrinsic
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What produce plantar flexion?
Gastrocnemius and soleus muscles.
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Which muscles opposes that gastrocnemius and dorsiflexes the ankle?
The Large tibialis anterior muscle
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What does the Fibularis muscles produce?
Its produces eversion as well as plantar flexion
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Smaller muscles of the calf and shin position what?
The foot and move the toes.
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Precis control of the phalanges is provided by what muscles?
Muscles originating on the tarsal and metatarsal bones
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The arm has what compartments?
Medial and lateral compartments
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Forearms has what compartments?
Anterior, posterior ad lateral compartments.
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The thigh has what compartments?
Anterior, medial and posterior compartments
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The leg as what compartments?
Anterior, posterior, and lateral compartments
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