static hold trap bar
Static hold bicep curl. Static hold bicep curls are a great exercise to isolate your biceps. A pair of dumbbells, or a resistance band can be used. Static curls are best done with your lower arm parallel to floor. You should also use a broad shoulder stance. Static curls are a great way for strengthening your biceps if you're working out at a hotel gym.
Static dumbbell hold. You can increase your arm strength and condition by holding static dumbbells. These exercises are also called isometric dumbbell curls. You will curl up a heavy object with your arms bent at 90 degrees and your biceps fully extended. This position can be held for between 10 and 15 seconds.
Static pull-ups also strengthen the muscles of the back, especially the latissimus Dorsi (larger back muscle behind your arms). It strengthens your chest and upper back as well as your shoulder muscles. These muscles are important for healthy posture.