Upper Extremity
What are extrinsic muscles?
Muscles that originate outside the part of the skeleton that moves
Which body part does the lower extremity represent mostly?
This muscle extends the foot and flexes the leg. What is this muscle?
Gastrocnemius/calf muscle
What body parts are appendicular muscles responsible for?
Muscle of the arms and legs
Where is the bicep located?
Upper arm
What does your lower extremity allow you to do?
Allows you to sit up and stand, along with participate in locomotive activities
Biceps brachii
Muscle that may act as multiple separate muscles
Where is the deltoid muscle located?
Shoulder
How many muscles pass from the from the axial skeleton to the shoulder?
Six muscles
Which body part is the beginning of the lower extremity?
Your hip/pelvis
The function of the triceps brachii is to extend the ______ ___
Lower arm
What is the purpose of the rotator cuff muscle?
Provides necessary strength to help prevent anterior, superior, and posterior displacement of the humeral head
What muscle is located on the back of the thigh and runs from the hip to the knee.
Hamstring
What is the job of the pectoralis minor?
It helps "fix" or stabilize the scapula and raises ribs during forced inspiration.
What is the difference between extrinsic and intrinsic foot muscles?
Extrinsic: located in the leg and exert on tendons to move your ankle and foot
Intrinsic: responsible for flexion, extension, and adduction of the toes
The function of the Supinator is to _____ ___ _____
supinate the forearm
What muscle of the forearm serves as an extensor?
Triceps brachii
Where is the tibialis anterior located?
In the front of the lower leg
What muscle allows for the thumb to be drawn across the palm to touch the palmar surface of any finger?
Opponens pollicis
What is the key difference between the shoulder girdle and pelvic girdle?
Should girdle is more mobile while the pelvic girdle is essentially fixed
This muscle flexes the fifth (small) toe
Flexor digiti minimi brevis
What is the major abductor of the arm?
Deltoid
Gastrocnemius