Arm, Forearm, Hand muscles Flashcards
1
Q
What are the main muscles of the arm?
A
Anterior:
Coracobrachialis (deep)
Brachialis (deep)
Bicep brachii (superficial)
Posterior:
Tricep brachii
2
Q
What muscle compartments in the forearm are used for flexing and extending?
A
Anterior = flexing
Posterior = extending
3
Q
What are the different roles of the extrinsic and intrinsic hand muscles?
A
Extrinsic = originate on forearm, insert on hand. important for gross control
Intrinsic = originate on hand. produce fine control
4
Q
What are the intrinsic hand muscles?
A
Themar eminence
Hyperthenar eminence
Interossei
Lunbricals
