Appendicular Skeletal Muscles

What is the primary action of the Deltoid Muscle?

Flexes, extends, abducts, and medially & laterally rotates the arm.

What muscle is known as the prime mover of elbow flexion?

Brachialis Muscle.

What is the action of the Serratus Anterior Muscle?

Works with the pectoralis minor muscle to move the scapula anterior and laterally.

Identify the muscle that aids in the abduction of the arm.

Supraspinatus Muscle.

What is the main function of the Triceps Brachii Muscle?

Prime mover of elbow extension.

Which muscle of the forearm assists with supination of the forearm?

Biceps Brachii Muscle.

What group of muscles is responsible for flexing the thigh at the hip?

Iliopsoas Muscles Group.

How many muscles are in the Quadriceps Femoris Muscle Group?

Four muscles.

What action does the Gluteus Maximus Muscle perform?

Major extensor of the thigh.

What is the mnemonic for the Adductor Muscle Group?

PG-AddMLB.

What is the prime action of the Tensor Fasciae Latae Muscle?

Aids in knee extension.

Which muscle group flexes the knee?

Hamstrings Muscle Group.

What does the Tibialis Anterior Muscle do?

Dorsiflexes and inverts the foot.

What is the function of the Gastrocnemius Muscle?

Plantar flexes the foot at the ankle joint.

What action does the Fibularis Longus Muscle perform?

Plantar flexes and everts the foot.

Which muscle aids in the extension of the big toe?

Extensor hallucis longus muscle.

What muscle is primarily responsible for shoulder abduction?

Deltoid Muscle.

Which muscle group is responsible for the adduction of the thigh?

Adductor Muscle Group.

What is the primary action of the Pectoralis Major Muscle?

Flexes, Adducts, and Medially rotates the arm

Identify the muscle responsible for extending and medially rotating the arm.

Latissimus Dorsi Muscle.

What is the main function of the Gluteus Medius Muscle?

Abducts and medially rotates the thigh.

Which muscle plays a crucial role in stabilizing the shoulder?

Rotator Cuff Muscles.

What is the action of the Infraspinatus Muscle?

Laterally rotates the arm.

Which muscle is involved in flexing the hip and knee?

Rectus Femoris Muscle.

What is the role of the Semimembranosus Muscle?

Flexes the knee and extends the hip.

Identify the muscle that provides stability to the hip joint.

Piriformis Muscle.

What is the function of the Biceps Brachii Muscle?

Flexes the elbow and supinates the forearm.

Which muscle assists in shoulder adduction and extension?

Teres Major Muscle.

What is the primary role of the Pectoralis Minor Muscle?

Stabilizes the scapula by drawing it anteriorly and inferiorly.

What does the Subscapularis Muscle primarily do?

Medially rotates the arm.

Identify the muscle responsible for the flexion of the hip and knee when seated.

Iliacus Muscle.

Which muscle assists with the lateral rotation of the arm?

Teres Minor Muscle.

What is the main action of the Long Head of the Biceps Brachii?

Helps in shoulder flexion.

Which muscle group includes the Semitendinosus Muscle?

Hamstrings Muscle Group.

What is the primary action of the Tensor Fasciae Latae Muscle?

Aids in stabilizing the pelvis during walking.

What muscle is responsible for the flexion of the hip?

Psoas Major Muscle.

Identify the muscle that performs wrist flexion.

Flexor Carpi Radialis Muscle.

Which muscle is vital for the control of shoulder movements?

Rotator Cuff Muscles.

What muscle assists with the extension of the arm?

Triceps Brachii Muscle.

What are the major muscles involved in shoulder movement in the appendicular skeleton?

Deltoid, Pectoralis Major, Supraspinatus, Teres Major.

What muscles contribute in hip movement?

Iliopsoas, Gluteus Maximus, Gluteus Medius, Gluteus Minimus.

What muscles are in the Quadriceps Femoris Muscle Group?

Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius.

What are the primary muscles that flex the knee?

Semitendinosus, Biceps Femoris, Semimembranosus.

What are the key muscles involved in foot movement?

' - Gastrocnemius, Flexor digitorum, Tibialis anterior, Soleus.

What are the rotator Cuff muscles?

Rotator Cuff Muscles - infraspinatus, supraspinatus, teres minor, subscapularis.

Mnemonic to remember the dorsiflexor muscle group?

• 'FEET' - Tibialis Anterior, Extensor Digitorum Longus, Extensor Hallucis Longus, Fibularis Tertius.

Mnemonic for Lateral Rotators Muscle Group

P-GOGO-Q

Piriformis Muscle

Gemellus Superior Muscle

Obturator Externus Muscle

Gemellus Inferior Muscle

Obturator Internus Muscle

Quadratus Femoris Muscle

Mnemonic for Adductor Muscle Group

PG-AddMLB

Pectineus Muscle

Gracilis Muscle

Adductor Magnus Muscle

Adductor Longus Muscle

Adductor Brevis Muscle

Anterior Forearm- Superficial muscle layer mnemonic

P-F-P-F

Pronator Teres Muscle

Flexor Carpi Radialis Muscle

Palmaris Longus Muscle

Flexor Carpi Ulnaris Muscle

Pollicis Muscles Mnemonic

Longus- breves-Longus

Abductor Pollicis Longus Muscle

Extensor Pollicis Brevis Muscle

Extensor Pollicis Longus