When performing a seated leg extension, which muscle group is the primary antagonist during the concentric phase?
a. hamstrings
b. quadriceps
c. hip extensors
d. back extensors
Answer: a. hamstrings
When performing a seated leg extension, which muscle group is the primary antagonist during the concentric phase?
a. hamstrings
b. quadriceps
c. hip extensors
d. back extensors
Answer: a. hamstrings