1. Which muscles are affected in a “pulled groin”? What movements are these muscles used in? Adductors (adductor magnus and longus). Adduct, flex, and medially rotate thigh (or used to press legs together, pelvic tilting movements and fixing the hip during walking).
2. In what movement are the latissimus dorsi and pectoralis major synergists? In what movement are they antagonists?
Synergists: arm adduction
Antagonists: arm flexion-extension
3. Which 3 of the quadriceps originate on the femur? What is the insertion point for all 4 of the quadriceps?
Vastus lateralis, intermedius, medialis
Insert into patella, then via patellar ligament into tibial tuberosity
4. What muscles flex the forearm? Biceps brachii, brachialis, brachioradialis (NOT triceps)
5. Which muscles invert the foot?
Tibialis anterior and posterior
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